chapter 6 vocab Flashcards
long bone
bones that are longer than they are wide
short bone
- cube-shaped
- almost as long as they are wide
flat bones
thin and broad
irregular bones
bones that don’t fit into the other classes
sesamoid bones
- specialized bone located within tendons
- usually small, flat and oval-shaped
periosteum
- surrounds outer surface of long bones
- made of dense irregular collagenous connective
tissue
perforating fibers
(Sharpey’s fibers)
- anchors periosteum to underlying bone surface
- made of collagen
diaphysis
the shaft of a long bone
epiphysis
the two ends of a long bone
articular cartilage
hyaline cartilage
marrow cavity
(medullary cavity)
within diaphysis, contains red or yellow bone marrow
compact bone
hard, dense outer region; allows bone to resist compression and twisting forces
spongy bone
- honeycomb-like framework of bony struts
- allows long bones to resist forces from many directions
- provides cavity
for bone marrow
endosteum
a thin membrane covering the inner surfaces of a bone
epiphyseal line
(remnant of an epiphyseal plate)
a line separating the epiphysis and the diaphysis