Module 1 (Part 2) Flashcards
belt-like (wraps the circumference of the cells), other analogy is “staples on piece of paper” - zonulae occludens
tight junctions
encircles the cells and belt-like, resists planar motion - zonulae adherens
adherens junction
Desmosomes are also known as?
macula adherens
Gap junctions are abundant where? What is a connexon?
cardiac and neurons cells; 6 connexin
Microvilli vs. stereocilia vs. cilia vs. flagella
k
Glands
2 types
T or F: glands are always multicellular
4 arrangements of glands
2 types of secretions - differentiate
k
T or F: Goblets are multicellular and often found stratified epithelium
F
Why would serous cells stain darker than mucus?
k
Mucous exocrine cells:
2 main components
which secretion method?
T or F: Goblet cells secrete mucous
k
Serous exocrine cells
T or F: less viscous than mucous
T or F: has polarity
Name two places you would find them?
k
Differentiate the 3 types of secretion. Where would we find each?
M - merge - respiratory
H - explode - oils in hair and skin
A - pinch off - sweat and mamillary glands
ECM
main 3 components
protein fibers
anamorph. ground substance
tissue fluid
Why do people take supplements for joints and cartilage?
to boost anamorphous ground substance