| psammomatous meningioma |
a transitional meningioma that contains many psammoma bodies; called also psammoma.
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| psammoma |
(psam
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| psammoma body |
a spherical, concentrically laminated mass of calcareous material, usually of microscopic size; such bodies occur in both benign and malignant epithelial and connective-tissue tumors, and are sometimes associated with chronic inflammation.
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| pseudomembranous inflammation |
an acute inflammatory response to a powerful necrotizing toxin, such as the diphtheria toxin, characterized by the formation on a mucosal surface, most often in the pharynx, larynx, respiratory passages, and intestinal tract, of a false membrane composed of precipitated fibrin, necrotic epithelium, and inflammatory white cells.
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| pseudostratified epithelium |
a type of epithelium which occurs in the large excretory ducts of the parotid and several other glands and in the male urethra. The nuclei are spaced at different levels and the cells are quite variable in shape, giving the appearance of a stratified epithelium.
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