Skeletal System Ch. 2 Flashcards
Human Body made of ____ bones.
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Axial Skeleton
Cranial bones, facial bones, hyoid, vertebral column, ribs.
Appendicular Skeleton
U/E: Scapula, clavicle, humerus, ulna, radius, carpals, metacarpals, phalanges.L/E: Pelvis, femur, fibula, tibia, patella, tarsals, metatarsals, phalanges.
Osteoblasts
Cells that form bone.
Osteoclasts
Cells that break down bone.
Epiphysis
Expanded portion at each end.
Diaphysis
Shaft of bone
Periosteum
Thin fibrous covering that encloses bone encloses bone except for area covered by hyaline cartilage.
Epiphyseal plate
Made of cartilage. Founding growing bones.
Pressure Epiphysis
Located at ends of long bones where they receive pressure from the opposing bone making up that joint.
Traction Epiphysis
Located where tendons attach to bones and are subjected to bones and are subjected to pulling, or traction force.
Long Bones
Length is greater than width.
Short Bones
Somewhat equal dimensions.
Flat Bones
Platelike structures with broad structures.
Irregular Bones
Variety of shapes.