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Skeletal system/tissues, joints and skeletal muscle (skeletal…
Skeletal system/tissues, joints and skeletal muscle
skeletal system/tissues
compact bone
dense outer layer of every bone
major structural components
cells
extracellular matrix
ligaments
tendons
components of long bones
diaphysis
epiphysis
red & yellow bone marrow
red is gelatinous material
yellow is for fat tissue & nutrient storage
types of bone cells
osteogenic
osteoblast
osteocytes
osteoclasts
major functions
support
movement
protection
mineral storage
energy storage
blood cell formation
spongy bone
honeycomb of small flat pieces called trabeculae
skeletal muscle
functions
produce movement
open & close passageways of body
maintain posture & stabilize joints
generate heat
connective tissue layers
epimysium
perimysium
endomysium
properties
contractility
excitability
extensibility
elasticity
components of skeletal fiber
sarcoplasmic reticulum
sarcolemma
transverse tubules
myofibril
mitochondria
joints
fibrous joints
suture
syndesmposis
gomphosis
cartilaginous joints
synchondroses
symphyses
synovial joint components
always a space
joint capsule
6 structural types of synovial joints
joint cavity
articular cartilage
ligament
fibrous layer
synovial membrane
periosteum