It connects between the different types of It connects between the different types of tissues and organs, carrying their blood and tissues and organs, carrying their blood and nerve supply.nerve supply.

It is derived mainly from the mesoderm.It is derived mainly from the mesoderm.

It has connective tissue proper and specialized It has connective tissue proper and specialized connective tissue (blood, cartilage and bone).connective tissue (blood, cartilage and bone).

It is composed of cell and extra-cellular matrix It is composed of cell and extra-cellular matrix which consists of ground substance and fibers.which consists of ground substance and fibers.

According to the amount and role of these three According to the amount and role of these three components (cells, fibers and ground components (cells, fibers and ground substance), there are many types of connective substance), there are many types of connective tissue. tissue.

It connects between the different types of It connects between the different types of tissues and organs, carrying their blood and tissues and organs, carrying their blood and nerve supply.nerve supply.

It is derived mainly from the mesoderm.It is derived mainly from the mesoderm.

It has connective tissue proper and specialized It has connective tissue proper and specialized connective tissue (blood, cartilage and bone).connective tissue (blood, cartilage and bone).

It is composed of cell and extra-cellular matrix It is composed of cell and extra-cellular matrix which consists of ground substance and fibers.which consists of ground substance and fibers.

According to the amount and role of these three According to the amount and role of these three components (cells, fibers and ground components (cells, fibers and ground substance), there are many types of connective substance), there are many types of connective tissue. tissue.

Functions of Functions of Connective TissueConnective Tissue

Functions of Functions of Connective TissueConnective Tissue

Support.Support. Medium for exchange. Medium for exchange. Defense and protection.Defense and protection. Storage of fat.Storage of fat.

Support.Support. Medium for exchange. Medium for exchange. Defense and protection.Defense and protection. Storage of fat.Storage of fat.

Connectivetissue

Cells Matrix

FibersGround

substance

Ground substanceGround substanceGround substanceGround substanceAmorphous gel-like material composed of Amorphous gel-like material composed of glycosaminoglycans, proteoglycans and glycosaminoglycans, proteoglycans and glycoproteins.glycoproteins.GlycosaminoglycansGlycosaminoglycans are of two types: are of two types:– Sulfated such as: keratin sulfate, Sulfated such as: keratin sulfate,

heparin sulfate and chondroitin sulfate.heparin sulfate and chondroitin sulfate.– Non-sulfated such as: hyaluronic acid.Non-sulfated such as: hyaluronic acid.ProteoglycansProteoglycans are responsible for the gel are responsible for the gel state of the extra-cellular matrix.state of the extra-cellular matrix.GlycoproteinsGlycoproteins such as: fibronectin, such as: fibronectin, chondronectin and osteonectin.chondronectin and osteonectin.

Amorphous gel-like material composed of Amorphous gel-like material composed of glycosaminoglycans, proteoglycans and glycosaminoglycans, proteoglycans and glycoproteins.glycoproteins.GlycosaminoglycansGlycosaminoglycans are of two types: are of two types:– Sulfated such as: keratin sulfate, Sulfated such as: keratin sulfate,

heparin sulfate and chondroitin sulfate.heparin sulfate and chondroitin sulfate.– Non-sulfated such as: hyaluronic acid.Non-sulfated such as: hyaluronic acid.ProteoglycansProteoglycans are responsible for the gel are responsible for the gel state of the extra-cellular matrix.state of the extra-cellular matrix.GlycoproteinsGlycoproteins such as: fibronectin, such as: fibronectin, chondronectin and osteonectin.chondronectin and osteonectin.

Connective Tissue Connective Tissue FibersFibers

Connective Tissue Connective Tissue FibersFibers

Collagen fibers.Collagen fibers. Reticular fibers. Reticular fibers. Elastic fibers.Elastic fibers.

Collagen fibers.Collagen fibers. Reticular fibers. Reticular fibers. Elastic fibers.Elastic fibers.

Collagen FibersCollagen FibersCollagen FibersCollagen FibersTough, firm, inelastic fibers which resists Tough, firm, inelastic fibers which resists the tensile forces upon the tissues.the tensile forces upon the tissues.Most common fibers in connective tissue.Most common fibers in connective tissue.Formed of branching bundles of strong Formed of branching bundles of strong flexible collagen fibers.flexible collagen fibers.It is formed of tropocollagen units running It is formed of tropocollagen units running parallel and overlapping each other.parallel and overlapping each other.This tropocollagen unit is formed of 3 This tropocollagen unit is formed of 3 polypeptide chains rich in proline, glycine, polypeptide chains rich in proline, glycine, hydroxyproline and hydroxylysine. hydroxyproline and hydroxylysine. Vitamin C is important in collagen Vitamin C is important in collagen synthesis.synthesis.

Tough, firm, inelastic fibers which resists Tough, firm, inelastic fibers which resists the tensile forces upon the tissues.the tensile forces upon the tissues.Most common fibers in connective tissue.Most common fibers in connective tissue.Formed of branching bundles of strong Formed of branching bundles of strong flexible collagen fibers.flexible collagen fibers.It is formed of tropocollagen units running It is formed of tropocollagen units running parallel and overlapping each other.parallel and overlapping each other.This tropocollagen unit is formed of 3 This tropocollagen unit is formed of 3 polypeptide chains rich in proline, glycine, polypeptide chains rich in proline, glycine, hydroxyproline and hydroxylysine. hydroxyproline and hydroxylysine. Vitamin C is important in collagen Vitamin C is important in collagen synthesis.synthesis.

Collagen FibersCollagen FibersCollagen FibersCollagen FibersAre synthesized mainly by fibroblasts.Are synthesized mainly by fibroblasts.Chondroblasts, osteoblasts and smooth Chondroblasts, osteoblasts and smooth muscle fibers also synthesize collagen.muscle fibers also synthesize collagen.There are many types of collagen fibers There are many types of collagen fibers (depending on their amino acid sequence):(depending on their amino acid sequence):– Type I: in connective tissue, bone, dentine.Type I: in connective tissue, bone, dentine.– Type II: in hyaline and elastic fibers.Type II: in hyaline and elastic fibers.– Type III (reticular fibers): lymphatic system, Type III (reticular fibers): lymphatic system,

spleen, skin and vessels.spleen, skin and vessels.– Type IV: in basal lamina.Type IV: in basal lamina.– Type V: with type I and placenta.Type V: with type I and placenta.– Type VI: in basal lamina.Type VI: in basal lamina.

Are synthesized mainly by fibroblasts.Are synthesized mainly by fibroblasts.Chondroblasts, osteoblasts and smooth Chondroblasts, osteoblasts and smooth muscle fibers also synthesize collagen.muscle fibers also synthesize collagen.There are many types of collagen fibers There are many types of collagen fibers (depending on their amino acid sequence):(depending on their amino acid sequence):– Type I: in connective tissue, bone, dentine.Type I: in connective tissue, bone, dentine.– Type II: in hyaline and elastic fibers.Type II: in hyaline and elastic fibers.– Type III (reticular fibers): lymphatic system, Type III (reticular fibers): lymphatic system,

spleen, skin and vessels.spleen, skin and vessels.– Type IV: in basal lamina.Type IV: in basal lamina.– Type V: with type I and placenta.Type V: with type I and placenta.– Type VI: in basal lamina.Type VI: in basal lamina.

Reticular FibersReticular FibersReticular FibersReticular FibersThin collagen fibers arranged in Thin collagen fibers arranged in framework instead of bundles.framework instead of bundles.Synthesized by the fibroblasts.Synthesized by the fibroblasts.They form the reticular network They form the reticular network of some organs such as lymph of some organs such as lymph nodes and bone marrow.nodes and bone marrow.They present also in basement They present also in basement membrane.membrane.

Thin collagen fibers arranged in Thin collagen fibers arranged in framework instead of bundles.framework instead of bundles.Synthesized by the fibroblasts.Synthesized by the fibroblasts.They form the reticular network They form the reticular network of some organs such as lymph of some organs such as lymph nodes and bone marrow.nodes and bone marrow.They present also in basement They present also in basement membrane.membrane.

Elastic FibersElastic FibersElastic FibersElastic FibersSlender, long and branching fibers in Slender, long and branching fibers in loose connective tissue, but coarse loose connective tissue, but coarse bundles in elastic ligaments.bundles in elastic ligaments.Formed by the fibroblasts and smooth Formed by the fibroblasts and smooth muscle cells.muscle cells.Composed of protein elsatin and can be Composed of protein elsatin and can be stretched to one and half times its stretched to one and half times its original length.original length.It is present in large arteries, larynx and It is present in large arteries, larynx and trachea, ligamentum flavum and trachea, ligamentum flavum and framework of the spleen.framework of the spleen.

Slender, long and branching fibers in Slender, long and branching fibers in loose connective tissue, but coarse loose connective tissue, but coarse bundles in elastic ligaments.bundles in elastic ligaments.Formed by the fibroblasts and smooth Formed by the fibroblasts and smooth muscle cells.muscle cells.Composed of protein elsatin and can be Composed of protein elsatin and can be stretched to one and half times its stretched to one and half times its original length.original length.It is present in large arteries, larynx and It is present in large arteries, larynx and trachea, ligamentum flavum and trachea, ligamentum flavum and framework of the spleen.framework of the spleen.

ConnectiveTissueCells

ConnectiveTissueCells

Fixed(permanent)

Fixed(permanent)

Transient(free)

Transient(free)

Fixed CellsFixed CellsFixed CellsFixed Cells1.1. Fibroblasts.Fibroblasts.

2.2. Adipose cells.Adipose cells.

3.3. Pericytes.Pericytes.

4.4. Mast cells.Mast cells.

5.5. Fixed macrophages Fixed macrophages (histiocytes).(histiocytes).

1.1. Fibroblasts.Fibroblasts.

2.2. Adipose cells.Adipose cells.

3.3. Pericytes.Pericytes.

4.4. Mast cells.Mast cells.

5.5. Fixed macrophages Fixed macrophages (histiocytes).(histiocytes).

Transient CellsTransient CellsTransient CellsTransient Cells1.1. Plasma cells.Plasma cells.

2.2. Lymphocytes.Lymphocytes.

3.3. Neutrophils.Neutrophils.

4.4. Eosinophils.Eosinophils.

5.5. Basophils.Basophils.

6.6. Monocytes.Monocytes.

7.7. Transient macrophages.Transient macrophages.

1.1. Plasma cells.Plasma cells.

2.2. Lymphocytes.Lymphocytes.

3.3. Neutrophils.Neutrophils.

4.4. Eosinophils.Eosinophils.

5.5. Basophils.Basophils.

6.6. Monocytes.Monocytes.

7.7. Transient macrophages.Transient macrophages.

FibroblastsFibroblastsFibroblastsFibroblasts They are derived from the They are derived from the

undifferentiated mesenchymal cells.undifferentiated mesenchymal cells. They synthesize the extra-cellular matrix.They synthesize the extra-cellular matrix. They occur either in active state or They occur either in active state or

inactive state (fibrocytes).inactive state (fibrocytes). Present nearby the collagen fibers.Present nearby the collagen fibers. Elongated fusiform cells with pale Elongated fusiform cells with pale

staining cytoplasm and large granular, staining cytoplasm and large granular, ovoid nucleus.ovoid nucleus.

They are derived from the They are derived from the undifferentiated mesenchymal cells.undifferentiated mesenchymal cells.

They synthesize the extra-cellular matrix.They synthesize the extra-cellular matrix. They occur either in active state or They occur either in active state or

inactive state (fibrocytes).inactive state (fibrocytes). Present nearby the collagen fibers.Present nearby the collagen fibers. Elongated fusiform cells with pale Elongated fusiform cells with pale

staining cytoplasm and large granular, staining cytoplasm and large granular, ovoid nucleus.ovoid nucleus.

Adipose CellsAdipose CellsAdipose CellsAdipose Cells They are derived from They are derived from

undifferentiated mesenchymal cell.undifferentiated mesenchymal cell. They synthesize, store and release They synthesize, store and release

fat.fat. They are two types of adipose cells:They are two types of adipose cells:

Unilocular fat cells: from white Unilocular fat cells: from white adipose tissue.adipose tissue.

Multilocular fat cell: from brown Multilocular fat cell: from brown adipose tissue.adipose tissue.

They are derived from They are derived from undifferentiated mesenchymal cell.undifferentiated mesenchymal cell.

They synthesize, store and release They synthesize, store and release fat.fat.

They are two types of adipose cells:They are two types of adipose cells: Unilocular fat cells: from white Unilocular fat cells: from white

adipose tissue.adipose tissue. Multilocular fat cell: from brown Multilocular fat cell: from brown

adipose tissue.adipose tissue.

PericytesPericytesPericytesPericytes They surround the endothelial cell of They surround the endothelial cell of

capillaries.capillaries. They are derived from They are derived from

undifferentiated mesenchymal cell.undifferentiated mesenchymal cell. After injury they may differentiate to After injury they may differentiate to

form endothelial cell and smooth form endothelial cell and smooth muscle cellsmuscle cells..

They surround the endothelial cell of They surround the endothelial cell of capillaries.capillaries.

They are derived from They are derived from undifferentiated mesenchymal cell.undifferentiated mesenchymal cell.

After injury they may differentiate to After injury they may differentiate to form endothelial cell and smooth form endothelial cell and smooth muscle cellsmuscle cells..

Mast cellsMast cellsMast cellsMast cells They are derived from precursors in They are derived from precursors in

bone marrow.bone marrow. Found near blood vessels and body Found near blood vessels and body

surfaces (dermis of skin and surfaces (dermis of skin and digestive and respiratory tract).digestive and respiratory tract).

They are large ovoid cell with central They are large ovoid cell with central spherical nucleus.spherical nucleus.

Their cytoplasm have large Their cytoplasm have large metachromatic granules containing metachromatic granules containing heparin, histamine and many other heparin, histamine and many other mediators.mediators.

They are derived from precursors in They are derived from precursors in bone marrow.bone marrow.

Found near blood vessels and body Found near blood vessels and body surfaces (dermis of skin and surfaces (dermis of skin and digestive and respiratory tract).digestive and respiratory tract).

They are large ovoid cell with central They are large ovoid cell with central spherical nucleus.spherical nucleus.

Their cytoplasm have large Their cytoplasm have large metachromatic granules containing metachromatic granules containing heparin, histamine and many other heparin, histamine and many other mediators.mediators.

MacrophagesMacrophagesMacrophagesMacrophages They may be fixed or transient.They may be fixed or transient. They are active phagocytes removing They are active phagocytes removing

cell debris and protecting the body cell debris and protecting the body against foreign invaders.against foreign invaders.

They are derived from monocytes They are derived from monocytes (transient) or from UDMC (histiocytes).(transient) or from UDMC (histiocytes).

Highly motile, irregular in shape with Highly motile, irregular in shape with pseudopodia.pseudopodia.

Have dark nucleus and basophilic Have dark nucleus and basophilic cytoplasm containing numerous cytoplasm containing numerous lysosomes, vacuoles and residual lysosomes, vacuoles and residual bodies.bodies.

They may be fixed or transient.They may be fixed or transient. They are active phagocytes removing They are active phagocytes removing

cell debris and protecting the body cell debris and protecting the body against foreign invaders.against foreign invaders.

They are derived from monocytes They are derived from monocytes (transient) or from UDMC (histiocytes).(transient) or from UDMC (histiocytes).

Highly motile, irregular in shape with Highly motile, irregular in shape with pseudopodia.pseudopodia.

Have dark nucleus and basophilic Have dark nucleus and basophilic cytoplasm containing numerous cytoplasm containing numerous lysosomes, vacuoles and residual lysosomes, vacuoles and residual bodies.bodies.

Plasma CellsPlasma CellsPlasma CellsPlasma Cells They are derived from B-lymphocytes.They are derived from B-lymphocytes. Large ovoid cells with eccentrically Large ovoid cells with eccentrically

placed nucleus.placed nucleus. Its cytoplasm is intensely basophilic Its cytoplasm is intensely basophilic

(RER).(RER). Its nucleus has the characteristic “clock-Its nucleus has the characteristic “clock-

face” or “radial spoke” appearance.face” or “radial spoke” appearance. They present in areas of chronic They present in areas of chronic

inflammation and foreign bodies, where inflammation and foreign bodies, where they manufacture and secrete they manufacture and secrete antibodies.antibodies.

They are derived from B-lymphocytes.They are derived from B-lymphocytes. Large ovoid cells with eccentrically Large ovoid cells with eccentrically

placed nucleus.placed nucleus. Its cytoplasm is intensely basophilic Its cytoplasm is intensely basophilic

(RER).(RER). Its nucleus has the characteristic “clock-Its nucleus has the characteristic “clock-

face” or “radial spoke” appearance.face” or “radial spoke” appearance. They present in areas of chronic They present in areas of chronic

inflammation and foreign bodies, where inflammation and foreign bodies, where they manufacture and secrete they manufacture and secrete antibodies.antibodies.

Classification of C.T.Classification of C.T.Classification of C.T.Classification of C.T.

1.1. Embryonic C.T.:Embryonic C.T.:

1.1. MesenchymalMesenchymal

2.2. Mucous Mucous (mucoid)(mucoid)

2.2. Specialized C.T.:Specialized C.T.:

1.1. Cartilage.Cartilage.

2.2. Bone.Bone.

3.3. Blood.Blood.

3.3. Mature C.T. proper:Mature C.T. proper:

1.1. Loose areolarLoose areolar

2.2. DenseDense

1.1. Dense regularDense regular

2.2. Dense irregularDense irregular

1.1.CollagenousCollagenous

2.2.ElasticElastic

3.3. ReticularReticular

4.4. AdiposeAdipose

Mucous C.T.Mucous C.T.Mucous C.T.Mucous C.T. Present in the umbilical cord and Present in the umbilical cord and

subdermal C.T. of the embryo.subdermal C.T. of the embryo. Loose amorphous C.T. with a jelly-like Loose amorphous C.T. with a jelly-like

matrix containing hyaluronic acid and matrix containing hyaluronic acid and little amounts of collagen types I and III little amounts of collagen types I and III and fibroblasts.and fibroblasts.

This type of C.T. is called Wharton’s This type of C.T. is called Wharton’s jelly.jelly.

Present in the umbilical cord and Present in the umbilical cord and subdermal C.T. of the embryo.subdermal C.T. of the embryo.

Loose amorphous C.T. with a jelly-like Loose amorphous C.T. with a jelly-like matrix containing hyaluronic acid and matrix containing hyaluronic acid and little amounts of collagen types I and III little amounts of collagen types I and III and fibroblasts.and fibroblasts.

This type of C.T. is called Wharton’s This type of C.T. is called Wharton’s jelly.jelly.

Loose areolar C.T.Loose areolar C.T.Loose areolar C.T.Loose areolar C.T. Contains abundant ground substance Contains abundant ground substance

and tissue fluid, nearly all type of C.T. and tissue fluid, nearly all type of C.T. cells and less amounts of fibers.cells and less amounts of fibers.

Located in subcutaneous tissue, lamina Located in subcutaneous tissue, lamina propria of gastrointestinal & respiratory propria of gastrointestinal & respiratory tracts, around blood vessels & organs tracts, around blood vessels & organs and under serous membranes.and under serous membranes.

In inflammatory condition it swells In inflammatory condition it swells because of increased extra-cellular fluid because of increased extra-cellular fluid (Edema).(Edema).

Contains abundant ground substance Contains abundant ground substance and tissue fluid, nearly all type of C.T. and tissue fluid, nearly all type of C.T. cells and less amounts of fibers.cells and less amounts of fibers.

Located in subcutaneous tissue, lamina Located in subcutaneous tissue, lamina propria of gastrointestinal & respiratory propria of gastrointestinal & respiratory tracts, around blood vessels & organs tracts, around blood vessels & organs and under serous membranes.and under serous membranes.

In inflammatory condition it swells In inflammatory condition it swells because of increased extra-cellular fluid because of increased extra-cellular fluid (Edema).(Edema).

Dense regular C.T.Dense regular C.T.Dense regular C.T.Dense regular C.T. Contains abundant amounts of fibers with Contains abundant amounts of fibers with

less cells and ground substances.less cells and ground substances. Has tightly packed coarse collagen bundles Has tightly packed coarse collagen bundles

arranged in parallel fashion to form cord-arranged in parallel fashion to form cord-like cylinders (tendons & ligaments) or like cylinders (tendons & ligaments) or sheets (aponeurosis).sheets (aponeurosis).

Fibroblasts are arranged between the Fibroblasts are arranged between the collagen fibers so they appears elongated collagen fibers so they appears elongated with their dash-like elongated nuclei.with their dash-like elongated nuclei.

It is also called white fibrous C.T.It is also called white fibrous C.T.

Contains abundant amounts of fibers with Contains abundant amounts of fibers with less cells and ground substances.less cells and ground substances.

Has tightly packed coarse collagen bundles Has tightly packed coarse collagen bundles arranged in parallel fashion to form cord-arranged in parallel fashion to form cord-like cylinders (tendons & ligaments) or like cylinders (tendons & ligaments) or sheets (aponeurosis).sheets (aponeurosis).

Fibroblasts are arranged between the Fibroblasts are arranged between the collagen fibers so they appears elongated collagen fibers so they appears elongated with their dash-like elongated nuclei.with their dash-like elongated nuclei.

It is also called white fibrous C.T.It is also called white fibrous C.T.

Dense irregular Dense irregular C.T.C.T.

Dense irregular Dense irregular C.T.C.T. Contains abundant amounts of fibers with Contains abundant amounts of fibers with

less cells and ground substances.less cells and ground substances. Has tightly packed coarse collagen bundles Has tightly packed coarse collagen bundles

arranged randomly in all directions, with arranged randomly in all directions, with few elastic fibers.few elastic fibers.

Fibroblasts and other less cells are Fibroblasts and other less cells are arranged between the collagen fibers.arranged between the collagen fibers.

They are found in dermis of skin, capsule of They are found in dermis of skin, capsule of organs, sheaths around nerves and dura organs, sheaths around nerves and dura mater.mater.

Contains abundant amounts of fibers with Contains abundant amounts of fibers with less cells and ground substances.less cells and ground substances.

Has tightly packed coarse collagen bundles Has tightly packed coarse collagen bundles arranged randomly in all directions, with arranged randomly in all directions, with few elastic fibers.few elastic fibers.

Fibroblasts and other less cells are Fibroblasts and other less cells are arranged between the collagen fibers.arranged between the collagen fibers.

They are found in dermis of skin, capsule of They are found in dermis of skin, capsule of organs, sheaths around nerves and dura organs, sheaths around nerves and dura mater.mater.

Elastic C.T.Elastic C.T.Elastic C.T.Elastic C.T. Composed mainly of elastic fibers with Composed mainly of elastic fibers with

little amounts of collagen fibers and little amounts of collagen fibers and few cells and ground substance.few cells and ground substance.

The elastic fibers are arranged in The elastic fibers are arranged in sheaths or fenestrated lamellae.sheaths or fenestrated lamellae.

They are present in the wall of large They are present in the wall of large arteries, ligamentum flavum, trachea arteries, ligamentum flavum, trachea and larynx, and suspensory ligament and larynx, and suspensory ligament of penis.of penis.

Composed mainly of elastic fibers with Composed mainly of elastic fibers with little amounts of collagen fibers and little amounts of collagen fibers and few cells and ground substance.few cells and ground substance.

The elastic fibers are arranged in The elastic fibers are arranged in sheaths or fenestrated lamellae.sheaths or fenestrated lamellae.

They are present in the wall of large They are present in the wall of large arteries, ligamentum flavum, trachea arteries, ligamentum flavum, trachea and larynx, and suspensory ligament and larynx, and suspensory ligament of penis.of penis.

Reticular C.T.Reticular C.T.Reticular C.T.Reticular C.T. Composed mainly of type III collagen Composed mainly of type III collagen

fibers in a form of network or mesh, fibers in a form of network or mesh, fibroblasts and macrophages.fibroblasts and macrophages.

It forms the architectural framework It forms the architectural framework of liver sinusoids, bone marrow, of liver sinusoids, bone marrow, lymph nodes, spleen, smooth lymph nodes, spleen, smooth muscles, islet of Langerhans and muscles, islet of Langerhans and adipose tissues.adipose tissues.

Composed mainly of type III collagen Composed mainly of type III collagen fibers in a form of network or mesh, fibers in a form of network or mesh, fibroblasts and macrophages.fibroblasts and macrophages.

It forms the architectural framework It forms the architectural framework of liver sinusoids, bone marrow, of liver sinusoids, bone marrow, lymph nodes, spleen, smooth lymph nodes, spleen, smooth muscles, islet of Langerhans and muscles, islet of Langerhans and adipose tissues.adipose tissues.

Adipose C.T.Adipose C.T.Adipose C.T.Adipose C.T. Loose C.T. very rich in adipocytes.Loose C.T. very rich in adipocytes. Two types of adipose C.T.Two types of adipose C.T. Unilocular (white fat) C.T.: its fat cells Unilocular (white fat) C.T.: its fat cells

are of unilocular type, present in are of unilocular type, present in subcutaneous tissue, around organs subcutaneous tissue, around organs and blood vessels.and blood vessels.

Multilocular (brown fat) C.T., present in Multilocular (brown fat) C.T., present in infants and hibernating animals, cells infants and hibernating animals, cells are rich in mitochondria, supply heat.are rich in mitochondria, supply heat.

Loose C.T. very rich in adipocytes.Loose C.T. very rich in adipocytes. Two types of adipose C.T.Two types of adipose C.T. Unilocular (white fat) C.T.: its fat cells Unilocular (white fat) C.T.: its fat cells

are of unilocular type, present in are of unilocular type, present in subcutaneous tissue, around organs subcutaneous tissue, around organs and blood vessels.and blood vessels.

Multilocular (brown fat) C.T., present in Multilocular (brown fat) C.T., present in infants and hibernating animals, cells infants and hibernating animals, cells are rich in mitochondria, supply heat.are rich in mitochondria, supply heat.

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