HAP Bones

Question 1

bone classifications

Answer 1

• long
• short
• flat
• irregular
• sesamoid/round

Question 2

trabeculae

Answer 2

branching bony plates within spongy bone; helps reduce bones weight

Question 3

endosteum

Answer 3

thin membrane containing bone-forming cells, lines medullary cavity

Question 4

osteocytes

Answer 4

bone cells, located in tiny bony chambers called lucunae

- transport nutrients and wastes to and from nearby cells by means of cellular processes passing through canaliculi

Question 5

lucunae

Answer 5

form concentric circles around central canals (haversion)

Question 6

osteon

Answer 6

many of these create aversion system, form the compact bone

- central canal contains blood vessels and nerve fibers

Question 7

intramembranous bone

Answer 7

sheetlike layers of connective tissue, broad and flat

- contains osteoblasts

Question 8

osteoblasts

Answer 8

bone-forming cells that form differentiated cells, deposit bony matrix

Question 9

endochondral bones

Answer 9

bones that begin as masses of cartilage that are later replaced by bone tissue

Question 10

osteoclasts

Answer 10

break down calcified matrix, multinucleated cell