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CLEMSON 2220 EXAM 2 CUMMINGS QUESTIONS AND ANSWERS 100% PASS

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  • Clemson Biol 2220

CLEMSON 2220 EXAM 2 CUMMINGS QUESTIONS AND ANSWERS 100% PASS tissues - 2 or more cells that function together toward the same task histology - study of tissues where is epithelial tissue located? - -any surface covering or lining in the body -glands functions of epithelial tissue - -creates b...

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  • January 8, 2025
  • 32
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Clemson Biol 2220
  • Clemson Biol 2220
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CLEMSON 2220 EXAM 2 CUMMINGS
QUESTIONS AND ANSWERS 100% PASS

tissues - ✔✔2 or more cells that function together toward the same task


histology - ✔✔study of tissues


where is epithelial tissue located? - ✔✔-any surface covering or lining in the body


-glands


functions of epithelial tissue - ✔✔-creates boundaries


-protection


-absorption


-filtration


-excretion


-secretion


-sensory reception


apical surface - ✔✔exposed surface


basal surface - ✔✔interior


away from external


-attatched to something underneath


basement membrane - ✔✔2 parts


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basal lamina


reticular membrane


reticular lamina - ✔✔collagen fiber layer to add strength


is epithelium avascular - ✔✔yup


basal lamina - ✔✔attached to basal layer of epi


-adhesive sheet of protein


-selective filter


how do we classify epithelia? - ✔✔-# of cell


-shape


simple - ✔✔-absorbtion and filtration


-not a lot of friction


-easily damaged


-1 layer of cells


stratified - ✔✔-many cell layers


-protection


-lots of wear and tear


pseudo stratified - ✔✔one layer but looks like multiple


-lots of movement


-stretches




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-not much change in shape or size


squamous - ✔✔flat


-on apical surface


cuboidal - ✔✔box like


-same width and height


columnar - ✔✔taller than they are wide


transitional - ✔✔dome shaped on apical surface


-line hollow cavities


-flatten as they stretch


-change shape


Gland - ✔✔cell or group of cels composed of eli that secretes substances into ducts, onto surfaces, or into

blood


-requires energy


-most secretions are water based


exocrine gland - ✔✔secrete into ducts


-sometimes secrete onto their own surface


-sweat ducts


-gallblader


endocrine gland - ✔✔do not have ducts


-secrete hormones



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-travel in blood to go somewhere else


-pancrease


-thyroid


unicellular gland - ✔✔goblet cells


one cell


multi cellular gland - ✔✔many cells


merocrine gland - ✔✔cells produce glandular product, package it in golgi ap and release it into ducts

through exocytosis


-cell NOT damaged and can continue to produce


-salivary


-sweat


-pancrease


goblet cells - ✔✔unicellular mucous glands


-lining digestive tract


-respiratory tract


holocrine gland - ✔✔cell stores product as inclusion


-sloughed off and bursts to release contents


-replaced via mitosis


-sebaceous gland


what layer of embryonic tissue is connective tissue derived from - ✔✔mesenchyme



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