Lecture Notes for Tissues
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What does epithelium cover?
covers/ lines hollow organs or tubes
True or False:
You will frequently find something on top of epithelial tissues.
- You will frequently never find something on top of epithelial tissues
In terms of a vascular system, what is epithelium?
What is epithelium nourished by?
blood vessels in connective tissue below it
Serous membranes line cavities and the organs in those cavities that what?
DO NOT open to the exterior
If you are looking at a slide and you see sloughing off, what is it?
How will you distinguish between keratinized and moist?
moist has a nucleus/ keratinized does not
What is the most varied tissue?
What is different of connective tissue in contrast to epithelial?
connective tissue cells are floating/ residing in a matrix; not cell to cell contact; there is interstitial fluid; matrix is where the cells lie
Most connective tissue is vascular, except for one. Which is it?
What are the connective tissue propers?
- loose/ areoolar
- dense (regular)
- dense (irregular)
What are the two components of the matrix?
amorphous ground substance (mucopolysaccharides) and protein fibers (collagenous [tough]), (elastic [made of elastin/ elastic]), (reticular)
- chondroblast until maturation--> chondrocyte, which reside in lacunae
- all cartilage covered by perichondrium
- all cartilage is avascular
- somewhat hard membrane
- protection and form
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