| 释义 |
hypoplasia
hy·po·pla·sia H0368400 (hī′pō-plā′zhə)n. Incomplete or arrested development of an organ or a part.
hy′po·plas′tic (-plăs′tĭk) adj.hypoplasia (ˌhaɪpəʊˈplæzɪə) or hypoplastyn (Pathology) pathol incomplete development of an organ or part hypoplastic adjhy•po•pla•sia (ˌhaɪ pəˈpleɪ ʒə, -ʒi ə) also hy′po•plas`ty (-ˌplæs ti)
n. abnormal deficiency of cells or structural elements. [1895–1900] hy`po•plas′tic, adj. hypoplasiaa condition in which tissue or an organ of the body fails to grow to normal size. Cf. hypertrophy. — hypoplastic, adj.See also: Size
a condition in which tissue or an organ of the body fails to grow to normal size. Cf. hypertrophy. — hypoplastic, adj.See also: Body, HumanThesaurus| Noun | 1. | hypoplasia - underdevelopment of an organ because of a decrease in the number of cellsdysplasia - abnormal development (of organs or cells) or an abnormal structure resulting from such growth |
TranslationsHypoplasia
hypoplasia[‚hī·pō′plā·zhə] (medicine) Failure of a tissue or organ to achieve complete development. Hypoplasia or hypogenesis, underdevelopment of a tissue, organ, part of the body, or entire organism. Just as with aplasia, the basis of hypoplasia is impairment of the interuterine development of the fetus as a result of the effect of radiant energy on the mother’s organism, imbalance in nutrition, and certain infections transmitted from the mother to the fetus, such as German measles, toxoplasmosis, or poliomyelitis. hypoplasia
hypoplasia [hi″po-pla´zhah] incomplete development or underdevelopment of an organ or tissue. adj., adj hypoplas´tic.focal dermal hypoplasia a hereditary disorder found exclusively in females, transmitted as an X-linked dominant trait, characterized typically by linear areas of hypoplasia of the skin with herniation of underlying tissue through the defects; telangiectasias; linear or reticular areas of skin discoloration; localized superficial fatty deposits in the skin; papillomas of mucous membranes or skin around various orifices; and anomalies of the extremities, including webbed fingers and toes and absence of some or all of the digits (oligodactyly or adactyly). There may also be other defects affecting the eyes, teeth, or other body systems. Called also Goltz syndrome.hy·po·pla·si·a (hī'pō-plā'zē-ă), 1. Underdevelopment of a tissue or organ, usually due to a deficiency in the number of cells. 2. Atrophy due to destruction of some of the elements and not merely to their general reduction in size. [hypo- + G. plasis, a molding] hypoplasia (hī′pō-plā′zhə)n. Incomplete or arrested development of an organ or a part.
hy′po·plas′tic (-plăs′tĭk) adj.hypoplasia The underdevelopment, incomplete development or atrophy of a tissue or organ.hy·po·pla·si·a (hī'pō-plā'zē-ă) 1. Underdevelopment of a tissue or organ, usually due to a decrease in the number of cells. 2. Atrophy due to destruction of some of the elements of a tissue or organ, and not merely to their general reduction in size.
Compare: hyperplasia[hypo- + G. plasis, a molding]hypoplasia Underdevelopment of a tissue or organ as a result of a failure of production of a sufficient number of cells. Compare HYPERPLASIA.hypoplasia deficiency in growth.HypoplasiaA deficiency or underdevelopment of a tissue or body structure.Mentioned in: DiGeorge Syndrome, Duodenal ObstructionhypoplasiaAny condition in which there is an underdevelopment, or a decrease in the number of cells, of an organ or tissue. Example: optic nerve hypoplasia in which there is a reduction of axons, which, in severe cases, leads to visual impairment. See hyperplasia.hy·po·pla·si·a (hī'pō-plā'zē-ă) 1. Underdevelopment of a tissue or organ, usually due to a deficiency in the number of cells. 2. Atrophy due to destruction of some of the elements and not merely to their general reduction in size. [hypo- + G. plasis, a molding]hypoplasia
Related to hypoplasia: Optic nerve hypoplasia, enamel hypoplasia, Cerebellar hypoplasiaWords related to hypoplasianoun underdevelopment of an organ because of a decrease in the number of cellsRelated Words |