Literally, a new growth. Neoplasm is another word for a tumor.
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An abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease. Neoplasms show partial or complete lack of structural organization and functional coordination with the normal tissue, and usually form a distinct mass of tissue that may be either benign (benign tumor) or malignant (cancer). SYN: new growth, tumor (2). [neo- + G. plasma, thing formed]
- histoid n. old term for a n. characterized by a cytohistologic pattern that closely resembles the tissue from which the neoplastic cells are derived.

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neo·plasm 'nē-ə-.plaz-əm n a new growth of tissue serving no physiological function: TUMOR

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any new and abnormal growth: any benign or malignant tumour.
neoplastic adj.

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neo·plasm (neґo-plaz″əm) [neo- + -plasm] any new and abnormal growth; specifically a new growth of tissue in which the growth is uncontrolled and progressive (see neoplasia). Malignant neoplasms are distinguished from benign in that the former show a greater degree of anaplasia and have the properties of invasion and metastasis. Called also tumor.

Medical dictionary. 2011.

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Look at other dictionaries:

  • neoplasm — NEOPLÁSM, neoplasme, s.n. Formă de cancer caracterizată prin invazia ţesuturilor învecinate, recidivă după o intervenţie chirurgicală; p. gener. cancer. [pr.: ne o ] – Din fr. néoplasme. Trimis de LauraGellner, 13.09.2007. Sursa: DEX 98 … …   Dicționar Român

  • Neoplasm — Ne o*plasm (n[=e] [ o]*pl[a^]z m), n. [See {Neoplasia}.] (Physiol. & Med.) A new formation or tissue, the product of morbid action. [1913 Webster] …   The Collaborative International Dictionary of English

  • neoplasm — neoplasm. См. бластома. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • neoplasm — (n.) 1864, coined in German by Karl Friedrich Burdach (1776 1847) from NEO (Cf. neo ) + Gk. plasma formation (see PLASMA (Cf. plasma)). Related: Neoplastic …   Etymology dictionary

  • neoplasm — *tumor, malignancy, cancer …   New Dictionary of Synonyms

  • neoplasm — [nē′ō plaz΄əm] n. [ NEO + PLASM] an abnormal growth of tissue, as a tumor …   English World dictionary

  • Neoplasm — Neoplastic redirects here. For Dutch artistic movement, see De Stijl. plasia Anaplasia – dedifferentiation Hyperplasia – physiological proliferation Increase in number of cells Neoplasia – abnormal proliferation Dysplasia – maturation abnormality …   Wikipedia

  • neoplasm — noun Etymology: International Scientific Vocabulary Date: 1864 tumor 2 …   New Collegiate Dictionary

  • neoplasm — n.; pl. neoplasia [Gr. neos, new; plasma, formed or molded] An abnormal mass of tissue …   Dictionary of invertebrate zoology

  • neoplasm — neoplastic /nee euh plas tik/, adj. /nee euh plaz euhm/, n. Pathol. a new, often uncontrolled growth of abnormal tissue; tumor. [1860 65; NEO + PLASM] * * * …   Universalium

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