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15 Cards in this Set

  • Front
  • Back
Four types of tissues
Epithelial, Connective, Muscle, Nerve
Epithelial Tissue:
Cover, protec, lines, forms glands, secretion absorption
Protects, supports, binds, stores (E, H2O, minerals etc..)
Mvt, contract.
Ex: In digestion
Carries impulse-action potential-transmits info, maintains homeostasis
All tissues develop what?
Germ Layers!
The first "tissue" in embryo
Germ Layers
Ex: Ecto, meso, and endo DERMS=Germ layer
Come from all layers
Epithelial Tissue
From Ectoderm (Outside)
Nervous Tissue
From Mesoderm (middle Layer)
Muscle and Connective
Tight Junctions:
Prevent leakage, fuse plasma membrandes together and transmembrane proteins; Found in lining of the Stomach, urinary Bladder
Adherens Junctions:
Cell to cell or cell to basement membrane or extracellular material such as plaque. Hold together by DADHERINS (glycoprotein) "hooks into plaque inside memb. Guard against friction or stretch
"Spot weld" with cadherins and plaques w/intermediate filamet called Keratin for support; Heart
Link to laminin in basement membrane; do not link to cells. Integrin=Glycoprotein!
Gap Junctions:
Connexons-proteins-tunnels for passage. Glucose ions, Info; Smooth muscles