Term
In which type of cartage is the perichondrium not present. |
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Definition
Fibrocartilage and on articular surfaces |
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Term
What cartilage serves as a temporary skeleton? |
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Definition
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Term
What chondrocytes in groups of 2 |
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Definition
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Term
What is the only cartilage type that has type 1 collagen instead of 2. |
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Definition
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Term
What is the territorial matrix and what is it composed of? |
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Definition
it is the area around the lacuna that houses the chondrocytes
It is composed of proteoglycans that stain deeper. |
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Term
What layer of the perichondrium is fibronous and which one is cellular |
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Definition
outer is fibronous and the inner is cellular. |
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Term
What does the perichindrum do? |
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Definition
Houses chondrogenic cells and chondroplasts and is provide the nearest blood supply |
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Term
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Definition
The manufacture the carilage matrix
precusures of Chondroblasts
Not housed in lacunae |
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Term
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Definition
Housed in lacunae
In inner layer of cartilage |
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Term
What are isogenous groups? |
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Definition
groups of four to eight cells in cartilage |
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Term
Discribe interstitial grouth and appositional grownth. |
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Definition
Interstitial is division of preexisting cells
Appositional results from differentiation of genic cells |
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Term
What is the ground substance in bone composed of? |
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Definition
Osteocalcin, a glycoprotein Bone sialoprotine Ca type one collagen |
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Term
What do sharpey fibers do? |
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Definition
They connect the inner layer of the Peristium to the pone surface |
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Term
What is the ultimate supply of blood to the bone? |
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Definition
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Term
What do osteoblast secrete and what specific receptors do they have? |
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Definition
osteoid-uncalcified bone matrix
PTH receptors |
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Term
What are the characteristics of Osteocytes? |
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Definition
housed in there own lacunae
have cytoplasmic processes that extend threw calculi for nourishment
Gap junctions for information sharing. |
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Term
What are the characteristics of ostioclasts? |
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Definition
motile, multinucliated, reabsorb bone |
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Term
Color wise what is the difference between primary bone and secondary bone |
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Definition
primary is bluish Secondary is more pink |
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Term
What are haversian systems |
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Definition
the circular complexes in bone |
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Term
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Definition
connect harvistan canal with the peri or episteum |
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Term
What type of bone contains lamellae |
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Definition
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Term
Name the zones of the epiphyseal plates and there function |
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Definition
Zone of reserve - cartlage proliferation- of chondrocytes(cell division hypertrophy-enlargment of chondrocytes calcificaton-chondrocyetes die and cartilage becomes calcified ossification-ostioblasts elaborate on matrix |
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Term
What is another name for immovable joints and movable |
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Definition
imm-syntarthrosis move-diarthrosis or snovial |
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