unit 10 Flashcards
(24 cards)
are bones more organic or inorganic?
Inorganic 67%
what does ground substance connective tissue in bones do (4)
- provides structure
- enables nutrient and waste exchange between tissue and blood
- shock absorber
- protects developing cells
GAGS
glycoprotein in bones that strengthens bones
bone : calcium
10ml : 10g
bone composition (3)
25% water
45% minerals
30% organic matter
Lacuna
ossification matrix
canaliculus
tubes where osteocytes communicate
cancellous bones
spongey bone
shock absorbers
light weight but strong
compact bone
hard bone
where is red bone marrow found
ends of long bones, ribs, sternum and vertebrae
lamellae
paper towel wrapped around the roll
what is the periosteum
outside of bone
what are the periosteum layers (2)
outer fibroblasts
inner osteoblasts
what is the epiphysis and what is it made of
end of bones
spongey mostly and some hard
shock absorber and lever
what is the diaphysis
shaft of the bone
yellow marrow
fat
can be converted to red marrow to make blood cells
red marrow
forms blood cells
more common in young animals
endosteum
where bone length grows
types of cartilage (3)
hyaline
elastic
fibrocartilage
bone formation mechanisms (2)
intramembranosus bone formation
endochronal bone formation
parathyroid hormone effects on bone
releases osteoclasts and osteocytes to release Ca from bone and inhibits osteoblasts
Milk fever
can cause paralysis or unconsciousness from calcium depletion that does not meet lactating cows needs
what is the upper jaw
the maxillary
what is the lower jaw
the mandible or
