Download - Skin histological examination
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SKIN 2
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Fig. 2.1. Histological structure of skin.
Stain: hematoxylin and eosin.
I. Epidermis
II. Dermis
III. Hypodermis
1. stratum basale
2. other stratum of epidermis
3. sweat glands
4. ducts of sweat glands
. adipose tissue
!. blood "essels
#. s$in%fi&ed ligaments
'. (acinian corpuscle.
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Fig. 2.2. Schematic representation of epidermal strata and their cellular composition.
1. superficial part of dermis
2. stratum basale
3. stratum spinosum
4. stratum granulosum
. stratum corneum
!. melanocyte
#. basal cells )epithelial cells*
'. structural elements of s$in differon )histogenetic lineage*
+. epidermal stem cell
10. dendritic ),angerhans* cell
11. -er$el cell12. ner"e ending including to tactile epidermal comple&
13. reticular fiber.
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Fig. 2.. !icroscopic structure of skin of head.
Stain: hematoxylin and eosin.
1. epidermis2. dermis
3. sebaceous gland
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4. hair root
. subcutaneous adipose tissue
!. aponeurosis of s$ull.
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Fig. 2.". #pper fragment of fig. 2..
1. epidermis
2. dermis
3. collagen fibers bundle
4. parts of arrector pili muscle
. hair sebaceous gland comple&
!. e&ternal root sheath
#. part of stratum corneum surrounded of hair shaft'. hair root.
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Fig. 2.$. !icroscopic structure of finger %hairless& skin.
Stain: hematoxylin and eosin.
I. Epidermis
II. Dermis
III. Hypodermis.1. stratum corneum
2. stratum lucidum
3. stratum spinosum
4. stratum basale
. ducts of sweat glands
!. papillary layer of dermis
#. papillary crysta
'. reticular layer of dermis
+. subcutaneous adipose tissue
10. retinaculum cutis.
2!
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4. mitochondrion
. rough endoplasmic reticulum
!. lamellar granules in $eratinocytes of stratum spinosum
#. /olgi comple&
'. tonofilaments of granular $eratinocytes
+. $eratohyalin granules
10. lamellar granules )dland granules* in granular $eratinocytes11. releasing of contents of lamellar granule
12. coat of corneal $eratinocytes
13. horn )$eratinied* cells.
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Fig. 2.(. !icroscopic structure of )hite thin skin.
Stain: hematoxylin and eosin.
1. stratum corneum
2. stratum lucidum
3. stratum granulosum
4. stratum spinosum
5. stratum basale
6. dermis.
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Fig. 2.*. !icroscopic structure of +lack %dark& thin skin.
Stain: hematoxylin and eosin.
1. stratum corneum
2. stratum granulosum
3. stratum spinosum
4. stratum basale
. melanocytes
!. nuclei of $eratinocytes
#. dermis
'. melanosome
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Fig. 2.,. -lectron micrograph of melanocyte.
1. body of melanocyte
2. process of melanocyte
3. $eratinocytes.
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Fig. 2.1. Schematic diagram of synthesis of melanin and entering it into keratinocytes.
1. formation of premelanosomes
2. synthesis of melanin in primary melanosomes
3. melanosome secretion
4. destruction of melanosomes.
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Fig. 2.11. !icroscopical structure of keratinocytes of stratum spinosum.
Stain: hematoxylin and eosin.
1. intercellular spaces contained spine%li$e process
2. cytoplasm of $eratinocyte
3. nucleus of $eratinocyte
4. nucleoli of $eratinocyte.
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Fig. 2.12. #ltrastructure of desmosomes located +et)een process of keratinocytes.
1. desmosomes
2. tonofibrils
3. cytoplasm of $eratinocytes.
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Fig. 2.1. !icroscopical structure of dendritic %/angerhans& cell of epidermis.
Stain: hematoxylin0eosin.
1. stratum corneum
2. stratum granulosum
3. stratum spinosum
4. nuclei of $eratinocytes of stratum spinosum
. dendritic cells that posses melanosome%li$e structures obtained due hemato&ylin%eosin
staining.
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Fig. 2.1". ransitional section of upper part of hair root from hair +ul+.
Stain: hematoxylin0eosin.
1. connecti"e tissue sheath
2. glassy membrane
3. cuticle
4. e&ternal root sheath
. internal root sheath
!. hair corte&.
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Fig. 2.1$. /ongitudinal section of hair root and hair +ul+.
Stain: hematoxylin0eosin.
1. e&ternal root sheath
2. internal root sheath
3. hair medulla
4. hair matri&
. dermal papilla
!. connecti"e tissue sheath.
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Fig. 2.1'. /ongitudinal section of hair +ul+.
Stain: hematoxylin0eosin.
1. connecti"e tissue sheath
2. e&ternal root sheath
3. Henleys layer of internal root sheath
4. Ha&leys layer of internal root sheath
. dermal papilla
!. proliferated cells of hair root.
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Fig. 2.1(. Histological structure of
se+aceous gland of hair.
Stain: hematoxylin0eosin.
1. duct
2. sebum
3. peripheral basal sebocytes
4. ordinary sebocytes
. "acuolated degenerati"e
sebocytes
!. hair follicle.
Fig. 2.1*. Initiation part of eccrine s)eat gland.
an03ison stain.
1. coiled secretory tubules of sweat gland
2. lumen of secretory tubules of sweat gland
3. ducts of sweat gland.
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Fig. 2.1,. Histological structure of mammary gland.
Stain: hematoxylin0eosin.
1. lumen of mammary gland acinus
2. e&ocrine lactocyte
3. intalobular duct
4. interlobular septum
. connecti"e tissue elements.
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Fig. 2.2. !icroscopical structure of 4acinian corpuscle.
Stain: hematoxylin0eosin.
1. fibrous capsule
2. perineural capsule
3. transitional section of fusiform dendrite.