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Skeletal system/tissues, joints and skeletal muscle (Skeletal…
Skeletal system/tissues, joints and skeletal muscle
Joints
Synovial joint components: synovial membrane, articular cartilage, synovial fluid, synovial cavity, articular capsule.
Fibrous joints- Suture, Syndesmosis, Gomphosis
Cartilaginous joints: Synchondrosis : epiphyseal plate Symphysis: intervertebral joints, hyaline & fibrocartilage pubic symphysis,
Structural types of bone cells: Plane joint, hinge joint, pivot joint, condylar joint, saddle joint, ball & socket joint
Skeletal system/tissues
Functions: protection, movement, support, blood cell, mineral storage, energy storage
Major structural components: Bone-cells and extracellular matrix. Tendons/ ligaments: dense regular connective tissue.
Components of long bone: epiphyses, diaphyses, medullary cavity, articular cartilage.
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Types of bone cells
Osteogenic cells, osteoblast, osteocyte, osteoclast
Skeletal muscle
Connective tissue layers: Deep fascia,Endomysium, Perimysium,
Functions: movement, maintain posture, generate heat, open/close body passage
Properties:
Contractility, Extensibility,
Elasticity, excitability
Components of skeletal fiber: Sarcolemma, Myofibril,
Sarcoplasmic reticulum, transverse tubules