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Printer friendly dictionary, encyclopedia and thesaurus - the free dictionary 4,293,869,472 visitors served. Forum join the word of the day mailing list for webmasters thefreedictionary google bing? Word / article starts with ends with text dictionary/thesaurus medicaldictionary legaldictionary financialdictionary acronyms  idioms encyclopedia wikipediaencyclopedia? Craniopharyngioma    also found in: encyclopedia, wikipedia 0. 01 sec. Craniopharyngioma /craâ·nioâ·phaâ·rynâ·giâ·oâ·ma/ (kra″ne-o-fah-rin″je-oâ´mah) a tumor arising from cell rests derived from the infundibulum of the hypophysis or rathke's pouch. Craâ·niâ·oâ·phaâ·rynâ·giâ·oâ·ma (kr n--f-rnj- m, -fr n-j-) n. A tumor of the brain that develops from the epithelium derived from rathke's pouch and usually affects children. Craniopharyngioma a tumor near the pituitary gland in the craniopharyngeal canal that often results in intracranial pressure. Mentioned in: pituitary dwarfism craniopharyngioma [krā′nē·ōfərin′jē·ō′mə] pl. Craniopharyngiomas, craniopharyngiomata, a congenital pituitary tumor, appearing most often in children and adolescents, that arises in cells derived from rathke's pouch or the hypophyseal stalk. The lesion, a solid or cystic body ranging in size from 1 to 8 cm, may expand into the third ventricle or the temporal lobe and frequently becomes calcified. The tumor may interfere with pituitary function, damage the optic chiasm, disrupt hypothalamic control of the autonomic nervous system, and cause hydrocephalus. Increased intracranial pressure, severe headaches, vomiting, stunted growth, defective vision, irritability, somnolence, and infantile genitalia are often associated with the lesion in children. Development of the tumor after puberty usually results in amenorrhea in women and loss of libido and potency in men. Also called ameloblastoma , craniopharyngeal duct tumor, pituitary adamantinoma , rathke's pouch tumor. Craniopharyngioma [kra′ne-o-fah-rin′je-o´mah] a tumor arising from cell rests derived from rathke's pouch or some other part of the pituitary gland , often destroying the gland and causing deficits of the pituitary hormones. Craniopharyngioma (krā´nē-ōfrin´jēō´m), n a tumor histologically identical to ameloblastoma that arises from remnants of the craniopharyngeal duct. Craniopharyngioma a benign tumor arising from the cell rests derived from the infundibulum of the hypophysis or rathke's pouch. Usually seen in young animals, they grow slowly. generic viagra viagra for sale buy generic viagra cheap generic viagra buy generic viagra buy viagra viagra cheap online viagra without a doctor prescription Their effects may be seen as.