hamartoma

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hamartoma

 [ham″ahr-to´mah]
a benign tumorlike nodule composed of an overgrowth of mature cells and tissues normally present in the affected part, but often with one element predominating.

ham·ar·to·ma

(ham'ahr-tō'mă),
A focal malformation that resembles a neoplasm, grossly and even microscopically, but results from faulty development in an organ; composed of an abnormal mixture of tissue elements, or an abnormal proportion of a single element, normally present in that site, which develop and grow at virtually the same rate as normal components, and are not likely to result in compression of adjacent tissue (in contrast to a neoplasm).
[G. hamartion, a bodily defect, + -oma, tumor]

hamartoma

/ham·ar·to·ma/ (ham″ahr-to´mah) a benign tumor-like nodule composed of an overgrowth of mature cells and tissues normally present in the affected part, but with disorganization and often with one element predominating.

hamartoma

(hăm′ăr′tō′mə)
n.
A benign tumor composed of an abnormal mixture of normal tissue elements that develop and grow at the same rate as adjacent tissue, resulting from faulty development in an organ.

ham′ar′tom′a·tous (-tŏm′ə-təs, -tō′mə-təs) adj.

hamartoma

a new tissue growth resembling a tumor. It results from a defective overgrowth in tissue formation.

hamartoma

A tumor-like, non-neoplastic disordered proliferation of mature tissues that are native to a site of origin–eg, exostoses, nevi and soft tissue hamartomas; although most hamartomas are benign, some histologic subtypes–eg, neuromuscular hamartoma, may proliferate aggressively. See Mesenchymal cystic hamartoma, Sclerosing epithelial hamartoma, Sclerosing metanephric hamartoma.

ham·ar·to·ma

(ham'ahr-tō'mă)
A focal malformation that resembles a neoplasm, grossly and even microscopically, but that results from faulty development, with a disproportion or abnormal mixture of tissue elements normally present at the site; develops and grows at virtually the same rate as normal tissue and is not likely to compress or invade adjacent structures (in contrast to a neoplasm).
[G. hamartion, a bodily defect, + -oma, tumor]

hamartoma

A rare BENIGN tumour of mixed normal cells that can affect any organ and that contains tissues normal to the organ. A lung hamartoma containing bronchial lining cells, connective tissue and cartilage, may cause obstruction of a BRONCHUS. As a rule, hamartomas do little harm.

ham·ar·to·ma

(ham'ahr-tō'mă)
A development focal malformation that resembles a neoplasm, grossly and even microscopically.
[G. hamartion, a bodily defect, + -oma, tumor]

hamartoma (ham´ärtō´mə),

n a localized error in the composition of the tissue elements of an organ. May be automatically manifested in three ways, either singly or in combination: abnormal quantity, abnormal structure, or degree of maturation of the tissue components.

hamartoma

a benign tumor-like nodule composed of an overgrowth of mature cells and tissues normally present in the affected part, but often with one element predominating.

hamartoma adenomatoid
see bronchial hypoplasia.
gingival hamartoma
pink, lobulated, often pedunculated masses on the gums of newborn calves; soon become inflamed and ulcerated resembling chronic granulation tissue.
lymphangiomatous hamartoma
a lymphangioma occurring as a congenital malformation.
vascular hamartoma
tumor mass, usually dermal, consisting of primitive to well formed blood vessels.