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28 Cards in this Set
- Front
- Back
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Epithelium exposed to external environment is from:
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Ectoderm
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Epithelium lining the gut, and gut derivatives (liver, lungs, pancreas) are from:
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Endoderm
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Epithelium lining the UG system, cardiovascular system and serous cavities is from:
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Mesoderm
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Supranuclear
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Secretory Vessicles
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Infranuclear
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RER
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Perinuclear
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Golgi
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Epithelia all have:
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Cell Junctions
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Epithelia lack:
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Blood supply and lymphatics
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Epithelium lining closed cavities is called:
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Mesothelium of a serosa
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Both endothelium and mesothelium contain:
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Vimentin (IF)
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Lining heart, blood vessels, and lymphatic vessels:
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Endothelium: Simple squamous epi
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Epithelium of Pulmonary alveoli, loop of Henele, blood and lymph vessels, pleura and peritoneal cavities.
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Simple Squamous
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Epithelium of Kidney tubules, thyroid follicles and secretory ducts.
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Simple Cuboidal
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Epithelium of oviduct, uterus, efferent ductules, and small bronchi.
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Simple columnar ciliated
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Epithelium of small and large intestines (striated border microvilli)
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Simple columnar nonciliated
(HAS GOBLET CELLS!!!!) |
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On dry skin.
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Stratified suamous keritanized
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Oral cavity, esophagus, vagina and tongue
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Stratified suamous non-keritanized
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Ducts of sweat glands.
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Stratified cuboidal
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Excretory ducts of some glands.
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Stratified columnar
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Found lining the ureters and urinary bladder.
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Transitional
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Epididymus, and larger ducts of glands.
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Pseudostratified nonciliated
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Trachea and bronchi
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Pseudostratified ciliated
(HAS GOBLET CELLS) |
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Is epithelium mitotic?
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Simple epithelium is capeable of mitosis. Stratified epithelium come from stem cells.
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Three stages of cancer progression?
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Metaplasia-stem cells make a diff type for specific area, this is reversible.
Dysplasia-further damage, that is no longer reversible. Anaplasia-cancer, carcinoma |
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Three stages of cancer progression?
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Metaplasia-stem cells make a diff type for specific area, this is reversible.
Dysplasia-further damage, that is no longer reversible. Anaplasia-cancer, carcinoma |
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What two type of epithelium have goblet cells?
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Simple Columnar Nonciliated Pseudostratified Ciliated
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Which of the following does not apply to the basal lamina?
Type IV Collagen Reicular Lamina Lamina densa and rara Heparin Sulfate |
No Reicular Lamina
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What is the most typical intermediate filament in epithlium?
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Keratin
However, mesothelium and endothelium have vimentin. |
