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Anatomy

bone structure

QuestionAnswer
hyaline cartilage most abundant cartilage provides support through flexibility
elastic cartilage contains many elastic cartilage, able to tolerate repeated bending
fibrocartilage resists strong compression and strong tension. an intermediate between hyaline and elastic cartilage.
flat bones thin and flattened, usually curved
long bones longer than wide- a shaft plus ends
short bones roughly cube-shaped
irregular bones various shapes, do not fit into other categories
compact bone dense outer layer of a bone
spongy (trabecular) bone internal network of bone
osteocytes mature bone cells; spider shaped
lacunae small cavities in the solid matrix
caniliculi thin tubes
diaphysis "shaft" of bone
epiphysis ends of a bone
blood vessels well vascularized
medullary cavity hollow cavity in the shaft of the bone; filled with yellow marrow
periosteum fibrous membrane that covers the external surfaces of bones except at their articular surfaces
endosteum membrane lining the medullary cavity of bone and other inner bone surfaces
central canal runs through the core of each osteon
haversian canal runs through the core of each osteon; lined by endosteum
volkmans canal lies at right angles to the central canals and connects the blood and nerve supply
lamella layer of bone matrix in which collagen fibers and mineral crystals run in a single direction
hematopolesis blood cell formation
Created by: kaylagren