Shared Flashcard Set

Details

bio 223 exam 2 ch 9
axial skeleton
37
Biology
Undergraduate 2
10/28/2011

Additional Biology Flashcards

 


 

Cards

Term
intervertebral disc
Definition
pads of fibrocartilage
Term
2 components of intervertebral disc
Definition
anulus fibrosus
nucleus pulposus
Term
nucleus pulposus
Definition
absorb shock
Term
anulus fibrosus
Definition
attach disc to vertebrae
Term
intervertebral ligaments
Definition
bind vertebrae together
stabilize vertebral column
Term
anterior longitudinal ligament
Definition
connect anterior bodies
Term
posterior longitudinal ligament
Definition
connect posterior bodies
Term
interspinous ligament
Definition
connect spinous processes
Term
supraspinous ligament
Definition
connect tips of spinous processes
Term
ligamentum nuchae
Definition
continue supraspinous ligament (C7 to skull)
Term
slipped disc
Definition
invade vertebral canal (bulge)
Term
herniated disc
Definition
nucleus pulposus break thru anulus fibrosus
Term
glenoid labrum
Definition
shoulder joint socket
Term
shoulder ligaments
Definition
glenohumeral
coracohumeral
coraco-acromial
coracoclavicular
acromioclavicular
Term
functions of skeletal system
Definition
support
mineral and lipid storage
blood cell production
protection
leverage
Term
bones r classified by
Definition
shape
internal tissue org
bone markings
Term
6 bone shapes
Definition
sutual
flat
long
short
irregular
sesamoid
Term
what type of bones have a complex shape?
Definition
irregular bones (vertebrae)
Term
sesamoid bones
Definition
small and flat
develop inside tendons (patella)
Term
process (bone marking)
Definition
projection/bump
Term
canaliculi (bone)
Definition
exchange nutrients and waste
Term
hydroxyapatite
Definition
crystals from calcium phosphate and calcium hydroxide reaction
Term
what % of bone cells make up its mass?
Definition
2%
Term
4 types of bone cells
Definition
osteocyte
osteoblast
osteoclast
osteoprogenitor cells
Term
osteocyte
Definition
mature bone cell dat maintain matrix
between lamellae(layers) of matrix
Term
osteocyte functions
Definition
maintain matrix
repair damaged bone
Term
osteoblast
Definition
immature bone cells
if surrounded by bone, become osteocyte
Term
osteoid
Definition
matrix produced by osteoblast but not calcified
Term
osteoprogenitor cells
Definition
mesenchymal stem cells dat divide into osteoblasts
in endosteum
fracture repair
Term
osteoclast r from
Definition
stem cells dat produce macrophages
Term
osteolysis
Definition
dissolve bone matrix and release minerals
Term
osteon
Definition
basic unit of compact bone
around central canal
Term
perforating canal
Definition
perpendicular to central canal
Term
spongy bone structure
Definition
no osteons
matrix is trabeculae and red bone marrow
Term
compact bone is covered in membranes
Definition
endosteum and periosteum
Term
periosteum functions
Definition
isolate bone from surrounding tissue
provide route for circulatory and nervous supply
bone growth and repair
Term
endosteum
Definition
on inside
cover trabeculae of spongy bone
bone growth and repair
Supporting users have an ad free experience!