joints
DESCRIPTION
JOINTS. FIBROUS JOINTS Lie between bones that closely contact one another. Thin layer of dense connective tissue joints the bones. Suture (skull) Joint in leg between tibia and fibula (distal end). CARTILAGINOUS JOINTS Hyaline cartilage connect bones. Joints of vertebral column - PowerPoint PPT PresentationTRANSCRIPT
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JOINTS
FIBROUS JOINTS- Lie between bones that closely contact one
another.- Thin layer of dense connective tissue joints
the bones.- Suture (skull)- Joint in leg between tibia and fibula (distal
end)
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CARTILAGINOUS JOINTS- Hyaline cartilage connect bones.- Joints of vertebral column- Intervertebral disc: fibrocartilage surrounding
a pulpy or gelatinous core.- Absorbs shocks and helps equalize pressure
between adjacent vertebrae when the body moves.
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SYNOVIAL JOINTS- Most joints are these type.- Allow free movement.- Complex structurally than fibrous or
cartilaginous- Articular ends covered with hyaline cartilage.
(articular cartilage) surrounded by a tubular capsule of dense connective tissue.
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- Joint capsule: composed of an outer layer of ligaments and an outer layer of ligaments and an inner lining of synovial membrane (secretes synovial fluid).
- Synovial fluid: lubricates joints.- Menisci: flattened pads of fibrocartilage,
shock-absorber. Between the articulating surfaces of the bones.
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- bursae: fluid-filled sacs.- Located between tendons and underlying
bony prominences.- Aid movement of tendons that glide over
these bony parts or other tendons.
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BALL-AND-SOCKET JOINT- Bone with a ball-shaped head that articulates
with the cup-shaped cavity of another bone.- Wider range of motion- Movements in all planes.Ex. Shoulder and hip