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Connective Tissue
N/A
11
Histology
Undergraduate 4
05/08/2012

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Cards

Term
collagen
Definition
glycoprotein superfamily; triple helix; tensile strength with limited stretchability; stain blue in trichrome; primary amino acid sequence: GLY, X, Y; vitamin C cofactor; X, Y = usually hydroxylated lysine/proline
Term
white adipose tissue
Definition
unilocular fat; organelles displaced by lipid droplet; energy storage; reticular fibers in external lamina
Term
loose connective tissue
Definition
primarily located beneath epithelia that covers body surfaces
Term
metalloproteinases (MMPs)
Definition
degrade extracellular collagen; COLLAGENASES, GELATINASES, ELASTASES
Term
type III collagen
Definition
reticular fibers; thin, visible with TEM; organ stroma
Term
type II collagen
Definition
thin fibers; visible with TEM; cartilage: hyaline and elastic, vertebral disks, vitreous body
Term
type IV collagen
Definition
no fibrils; difficult to visualize with TEM; basal lamina: LAMINA DENSA
Term
parenchyma
Definition
refers to functional cells of organ, glands
Term
stroma
Definition
non-parenchymal components of organ, cupporting CT framework contains blood vessels, lymphatics, nerves
Term
brown adipose tissue
Definition
multilocular fat, uncommon in adults; heat generation in mammals; thermogenin - uncoupling protein inner mito membrane; energy from proton gradient generates heat instead of ATP
Term
type I collagen
Definition
fibril formation; large, "whitish", visible by LM; 90% of total body collagen; dermis, bone, tendons, ligaments; capsules; fascia; cornea, teeth
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