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15 Cards in this Set

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Four types of tissues
Epithelial, Connective, Muscle, Nerve
Epithelial Tissue:
Cover, protec, lines, forms glands, secretion absorption
Connective:
Protects, supports, binds, stores (E, H2O, minerals etc..)
Muscle:
Mvt, contract.
Ex: In digestion
Nerve:
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
Desmonsomes:
"Spot weld" with cadherins and plaques w/intermediate filamet called Keratin for support; Heart
Hemidesmosomes:
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