chapter 7 Flashcards
what is ossification
it is hardening of matrix
what is osteoblast responsible for
Is responsible for bone production
what are osteocytes
are osteoblasts surrounded by bone
what are osteoclasts
is a cell that breaks the bone.
what do osteoclasts do?
remodel and remove bone.
what are functions of a bone?
support
protection
leverage
allows motion
blood cell formation
what does calsification do?
it triggers calcium back into the bone.
what is periosteum
is a membrane that covers the outer surfaces of bones.
volksmann’s canals
channels through bone matrix that control blood vessels.
what are 4 bone shapes
long
flat
short
irregular
what does red bone marrow produce
red blood cells
what does yellow bone marrow produce?
white blood cells.
what are bone processes?
projections where bone meets bone.
how many bones does skull have
37-38
where is mandible jaw bone located
lower jaw
where is maxilla jaw bone located
upper jaw.
what are 3 types of ribs
sternal
astrnal
floating ribs
what is glenoid bone
is the socket joint of a shoulder
what are tubercles
it is the processes where muscles attach.
where is the compact bone
outside of the bone
where is cancelous bone located
inside of the bone
endostium
covers internal surfaces of the bone.
what is primary growth center of endchondral bone formation
diaphysis
what is secondary growth center of endchondral bone formation
ephiphisys
what are 4 types of synovial joints
hinge
gliding
pivot
ball and socket
