Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
long bones lengthen by the growth of ____ ____
|
epiphyseal plates
|
|
|
long bones harden when
|
end of puberty
|
|
|
all bones grow in ____ or change in ____ by ____ growth
|
width - shape - appositional
|
|
|
the top layer (epiphyseal side) of the hyaline cartilage plate contains
|
dividing chondrocytes
|
|
|
3 things happen to chondrocytes during growth of the epiphyseal plates
|
enlarge - pushed toward diaphysis - eventually die
|
|
|
during growth of the epiphyseal plate osteoblasts (2)
|
secrete bone matrix - form bone spicules
|
|
|
during adolescence what is the cause for a growth spurt in epiphyseal plate
|
sex hormones (testosterone + estrogen)
|
|
|
2 things happen during end of growth of the epiphyseal plate
|
epiphyseal plate replaced by bone - longitudinal bone growth ends
|
|
|
what is stimulated by growth hormone during childhood
|
epiphyseal plate
|
|
|
appositional growth is used to
|
widen bones for remodeling
|
|
|
during appositional growth osteoblasts on the periosteum form new
|
new haversian systems on outer bone surface
|
|
|
during ____ ____ osteoblasts increase thickness of compact bone
|
appositional growth
|
|
|
3 things about osteoclasts during appositional growth
|
are on the endosteum - resorb bone - enlarge medullary cavity
|
