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24 Cards in this Set

  • Front
  • Back
Define Epithelium
The thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.
What is the basement membrane
A thin nonliving layer called the _____ anchors epithelium to underlying connective tissue.
Function and location of Tight Junctions
Close space between cells by fusing cell membranes
Ex: Cells that line the small intestine
Function and location of Desmosomes
Bind cells by forming spot welds between cell membranes
Ex: Cells of the outer skin layer
Gap Junctions function
Form tubular channels between cells that allow exchange of substances
Epithelial Tissue Function
Protection, Secretion, Absorption, excretion
Connective tissue function
Bind, support, protect, fill spaces, store fat, produce blood cells
Muscle tissue function
Nervous tissue function
transmit impulses
Simple cuboidal epithelium
secretion absorption
surface of ovaries, lining of kidney tubules, ducts of certain glands
Simple squamous epithelium
Filtration diffusion osmosis covers surface
air sacs of lungs, walls of capilaries
Simple Columnar epithelium
Protection, secretion, absorption
lining of uterus, stomach, intestines
Pseudostratified columnar epithelium
Protection, secretion, movement of mucus and substances
lining of respiratory passages
stratified squamous epithelium
outer layer of skin, linings of cavities
Stratified cuboidal epithelium
Linings of larger ducts of mammary, sweat, salivary glands and pancreas
Stratified columnar epithelium
Protection and secretion
Parts of male urethra and pharynx
Transitional epithelium
Distensibility, protection
Inner lining of urinary bladder and linings of ureters and part of urethra
Glandular Epithelium
Salivary, sweat and endocrine glands
Secrete proteins which become fibers
clear foreign particles from tissues by phagocytosis
Mast Cells
Release substances that may help prevent blood clotting and promote inflammation
Collageneous fibers (white fibers)
hold structures together
Elastic Fibers (yellow fibers)
Provide elastic quality to parts that stretch
Reticular fibers
Form supportive networks within tissues