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41 Cards in this Set

  • Front
  • Back
What anchors muscles to bones
Tendons
Epiphyseal plate
Growth plate between diaphysis and epiphyses
Osteoporosis
Excessive loss of calcified matrix and collagenous fibers from bone
2 main parts of skeleton
Axial and appendicular
Bones in Axial skeleton
Skull, cranium, ear bones, facial bones, spine, thorax, hyoid bone
Bones in Appendicular skeleton
Upper and lower extremities
3 kinds joints and what they mean
Synarthroses-no movement
Ampiarthroses-slight movement
Diarthroses-free movement
Synovial membrane
Secretes lubricating fluid that allows easier movement with less friction
what is the Olecranon process
Funny bone
3 types of muscle tissue
Skeletal, cardiac, smooth
Approx how many muscles
600
3 functions of skeletal muscles
Movement
Posture
Heat production
Origin
Stable part of skeleton where a muscle starts
Insertion
Movable part of skeleton where a muscle attaches do
Sacomere
Basic functional or contractile unit of muscle
Motor neuron
Nerve fiber that stimulates muscle cells
Neuromuscular junction
Point of contact between nerve endings and muscle fibers
Isotonic
Muscle shortens producing moving as in running or walking
Atrophy
Waisting away of muscles
Hypertrophy
Increasing muscles
Aerobic
Toning muscle
Plantar flexion
Pointing toes down
Dorsiflexion
Pointing toes up
Isometric
Muscle pulls forcefully against load but does not move as in weightlifting
Most important muscle to respiration
Diaphragm
Functions of the Skeletel System
Hemopoiesis, Support, Movement, Protection and Storage
Hemopoiesis
Process of blood cell formation
Red Bone Marrow
Soft Connective Tissue inside Bones
4 Types of bones
Long, Short, Flat, Irregular
Diaphysis
Hollow tube of hard compact bone
Epiphyses
End of long bone filled with red bone marrow
2 types of connective tissue in skeletal system
Bone and cartilage
Medullary cavity
Hollow area inside diaphysis that stores yellow bone marrow
Periosteum
Strong fibrous membrane covering long bone
Compact bone
outer layer of bone hard and dense
Spongy bone
Porous bone in the end of long bone
Osteocytes
Bone cells
Osteoblasts
Bone forming cells and where compact bone cells generate
Osteoclasts
Bone resorbing cells where spongy bone cells generate
Ossification
The process of how bones are formed from cartilage
Ossification
The process of how bones are formed from cartilage