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Skeletal System/Muscular System (Skeletal System/Tissues (Major Functions,…
Skeletal System/Muscular System
Skeletal System/Tissues
Major Functions
Support
Protection
Movement
Mineral Storage
Blood Cell Formation
Energy Storage
Compact Bone
Osteons
Central Canals
Canaliculi
Lamella
Osteocytes
Spongy Bone
Trabeculae
Endosteum
Long bone - Components
Epiphysese
Diaphysis
Medullary Cavity
Yellow Marrow
Epiphyseal plate/line
Endosteum
Periosteum
Bone Marrow
Red
Blood cell formation
Yellow
Fat storage
Reverts back to red marrow when there is a dire need
Bone Cell Types
Osteoclasts
Osteoblasts
Osteogenic Cells
Joints
Fibrous Joints
Suture
Skull
no movement
Syndesmosis
Dense irregular connective tissue
tarsals
carpals
intervertebral column
slight movement
Gomphosis
Alveolar joints
periodontal ligaments hold joint
no movement
Cartilaginous Joints
Synchondrosis
Epiphyseal Plate
Between first rib and manubrium
Immovable
Symphysis
Pubic symphisis
Intervertebral joints
Hyaline Cartilage and Fibro cartilage
slight movement
Synovial Joints
Components
joint capsule
synovial membrane
Secretes synovial fluid
bursa
Structural Types (6)
plane joint
intertarsal
intervertebral
intercarpal
hinge joint
elbows
interphalangeal
pivot joint
between radius and ulna
atlantal/axial joint
condylar joint
metacarpal/phalangeal
saddle joint
thumb - carpal/metacarpal
ball and socket
shoulder
hip
Skeletal Muscle
Functions
Movement
Open/close passageways
Maintain posture
stabilize joints
generate heat
Properties
contractility
excitability
extensibility
elasticity
Connective tissue layers
Perimysium
Epimysium
Deep fascia
Endomysium
Components of skeletal fiber
sarcolemma
sarcoplasmic reticulum
terminal cisterns
mitochondria