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15 Cards in this Set
- Front
- Back
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Simple Squamous |
lines blood vessels and air sacs of lungs Permits exchange of nutrients, wastes, and gases |
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Simple cuboidal |
lines kidney tubules and glands. secretes and reabsorbs water an small molecules |
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Simple columnar |
lines most digestive organs Absorbs nutrients, produces mucus *goblet cells |
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Stratified squamous |
outer layer kin, mouth, vagina protects against abrasion, drying out, infection |
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stratified cuboidal |
lines ducts of sweat glands secrets water and ions |
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stratified columnar |
lines epididymus, mammary glands, larynx secretes mucus |
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Epithelial tissue |
•Formlining on surface of internal (Endothelium) and external (Epithelium) surfaces •Singlelayer of constantly dividing cells (Stem cells) •Highturnover rate (sloughing off) •Basementmembrane of connective tissue for support and adhesion•Highlyinnervated (sensitive), Poorlyvascularized• Highrate of regeneration and migration•Secretionof cell products (mucus, lubricant, enzymes, pigments, hormones)•Microvilli(intestines), cilia (trachea, nasal passages) |
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Secretory epithelium |
•Invaginatedlayers continuous with surface epithelia •Newcellular functions (secretion of cell products (hormones, enzymes, fluids) •Supportedby underlying connective tissues |
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connective tissue |
structure & support low replication/poor healing (except bone) highly vascularized produced ECM |
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Humans are what time of structural strength? |
viscoelastic |
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secretory granules |
made in soma, don't reabsorb, slow peptides: subp, endorphin hormones: oxytocin, casopressin |
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synaptic vesicle |
recycled, fast amines: Ach, dopamine, histamine Amino acid: GABA, aspartate |
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Vestibular cristae where, equil? |
semicircular ducts in ampulla dynamic equilibrium: detect motion/acceleration |
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vestibular macula |
utricle, saccule w/ otoliths static equil: head positioning |
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how does sound pass thorough cochlea |
scala vestibuli (peri), cochlea duct (endo), scala tympani (peri) |
