anatomy of long and compact bone

osteon can also be called…

haversian system

osteon

unit of bone containing central canal and matrix rings

another name for central canal

haversian canal

central canal

opening in osteon center, carries blood vessels and nerves

another name for perforating canal

volkmann’s canal

perforating canal

perpendicular to central, carries blood vessels and nerves

lacunae

cavities containing osteocytes, arranged inside concentric rings

lamellae

rings around central canal, sites of lacunae

canaliculi

tiny canals radiating from central canal to lacunae

canaliculi form a…

transport system connecting all bone cells to nutrient supply

term for shaft

diaphysis

diaphysis is mostly made of…

compact bone

term for bone ends

epiphysis

epiphysis is mostly made of…

spongy bone

periosteum

fibrous connective tissue membrane that covers diaphysis

another name for perforating fibers

sharpey’s fibers

sharpey’s fiber function

secures periosteum to underlying bone

artery function

supply bone cells with nutrients

endosteum

connective tissue that lines inner bone

articular cartilage is made of…

hyaline cartilage

articular cartilage function

covers epiphysis surface, reduces friction in joints

another name for epiphyseal plate

growth plate

epiphyseal plate description

flat hyaline cartilage in young growing bone

epiphyseal line

remnant of epiphyseal plate in adult bone

another term for marrow cavity

medullary cavity

marrow cavities are located inside…

shaft

marrow cavities in adult long bones contain…

yellow marrow (fat)

marrow cavities in infant long bones contain…

red marrow for blood cell formation

in adults, red marrow is in cavities of ______ bone and ____________ of some long bones

spongy, epiphyses

blood cell formation takes place in the __________, located in the internal layer of spongy bone called _______

trabeculae, diploe