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Anatomy (BIOL 2220) Exam 2 – Cummings Questions And Answers
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Anatomy (BIOL 2220) Exam 2 – Cummings Questions And Answers Epithelial tissue basal surface deepest layer, below apical layer epithelial tissue basement membrane basal lamina (right below basal layer) reticular lamina (network of proteins-mostly collagen- that become barrier, deep to basal la...

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  • November 20, 2024
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  • 2024/2025
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Anatomy (BIOL 2220) Exam 2 – Cummings
Questions And Answers

Epithelial tissue basal surface deepest layer, below apical layer




epithelial tissue basement membrane basal lamina (right below basal layer)


reticular lamina (network of proteins-mostly collagen- that become barrier, deep to basal lamina)




Avascular no blood vessels, blood has to diffuse through




covering and lining epithelium types simple, stratified, pseudostratified, squamous,

cuboidal, columnar, transitional




simple epithelium one layer of cells, lots of absorption and filtration




stratified epithelium more than one cell for material to go through




pesudeostratified epithelium one cell layer but looks like more than one, found in areas

with little movement

, Anatomy (BIOL 2220) Exam 2 – Cummings
Questions And Answers

squamous epithelium flat cells




cuboidal epithelium cells have same width as height




columnar cells cells are taller than they are wide




transitional lines hollow cavities like bladder, go from dome cells to flat cells, allows

organs to stretch




glands secret substances into ducts, blood, or onto surfaces




types of glands exocrine, endocrine, unicellular, multicellular, merocrine, holocrine




exocrine glands secret into channel, then into ducts




endocrine glands secretion into bloodstream (ex: hormones)

, Anatomy (BIOL 2220) Exam 2 – Cummings
Questions And Answers

unicellular glands goblet cells produce mucus




multicellular glands composed of multiple cells




merocrine glands no destruction of cells during exocytosis




holocrine glands cell accumulates excretory material and then carries it out of tissue and is

destroyed to release the material




mesenchyme embryonic tissue connective tissue is derived from




connective tissue types connective tissue proper, cartilage, bone, blood




connective tissue structural elements ground substance, fibers, cells




muscle tissue cells modified for contraction, provide movement and/or heat

, Anatomy (BIOL 2220) Exam 2 – Cummings
Questions And Answers

muscle tissue contains sarcolema (plasma membrane)


sarcoplasm (cytoplasm)




muscle tissue types skeletal, cardiac, smooth




skeletal muscle tissue voluntary, striated, multinucleated




cardiac muscle tissue involuntary, striated, uninucleated




smooth muscle tissue involuntary, non-striated, uninucleated




nervous tissue contains neurons


neuroglia




neurons detect stimuli, send messages

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