aplasia


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

aplasia

 [ah-pla´zhah]
defective development or complete absence of an organ due to failure of development of the embryonic tissues or cells. 2. a hematologic disorder in which the normal progression of cell generation and development does not occur.

a·pla·si·a

(ā-plā'zē-ă),
1. Defective development or congenital absence of an organ or tissue.
2. In hematology, incomplete, retarded, or defective development, or cessation of the usual regenerative process.
[G. a- priv. + plasis, a molding]

aplasia

(ə-plā′zhə)
n.
Defective development resulting in the absence of all or part of an organ or tissue.

aplasia

Absence of tissue or organ development.

aplasia

Absence of tissue or organ development. See Pure red cell aplasia, Pure white cell aplasia. Cf Atrophy, Hypoplasia.

a·pla·si·a

(ă-plā'zē-ă)
1. Defective development or congenital absence of an organ or tissue.
2. hematology Incomplete, retarded, or defective development, or cessation of the usual regenerative process.
[G. a- priv. + plasis, a molding]

aplasia

Failure of the development of an organ or tissue or its congenital absence.

aplasia

the failure of all or part of a tissue or organ to develop.

a·pla·si·a

(ă-plā'zē-ă)
Defective development or congenital absence of an organ or tissue.
[G. a- priv. + plasis, a molding]
References in periodicals archive ?
Lo anterior se relaciona directamente con que la alteracion hematologica tipica presentada en el contexto de la infeccion por el parvovirus B19, sea una afectacion individual de la eritropoyesis denominada como aplasia pura de celulas rojas, en personas inmunocompetentes que padecen de algun desorden que afecta la integridad de los eritrocitos (p.
Caracteristicas clinicas de ambos casos con SMG Caracteristicas clinicas Caso A Caso B Talla baja proporcionada + + RCIU y posnatal + + Microtia grado I-III + + Aplasia patelar - - Hipoplasia patelar +/- +/- Microcefalia + + Coeficiente intelectual normal + +/- Problemas de alimentacion en lactancia + +/- Enfisema pulmonar +/- +/- Hipoplasia labios mayores/ criptorquidia - - Boca pequena - + Vermillones carnosos + +/- Micro-retrognatia + +/- Nariz convexa extrecha + +/- Edad osea retrasada + + Genu recurvatum +/- +/- SMG, sindrome de Meier Gorlin; RCIU, restriccion en el crecimiento intra-uterino.
A clinical diagnosis of aplasia cutis congenita was made.
In these cases CLA is accompanied by hypoplasia or aplasia of the petrous bone.
Human parvovirus B19-induced epidemic acute red cell aplasia in patients with hereditary hemolytic anemia.
In 1973, the Outpatient Clinic of Occupational Diseases of SESI would make an investigation of four cases of bone-marrow aplasia following the death of young workers in the same factory (26).
--En el caso de Sindrome de Moebius: debilidad facial congenita uni o bilateral con deterioro de abduccion ocular, que suele asociarse a anomalias en las extremidades; dado por una agenesia o aplasia de los nervios craneales VI y VII (aunque tambien pueden estar otros nervios involucrados provocando paralisis facial y estrabismo convergente.
Severe bone-marrow aplasia following imatinib mesylate in a patient with chronic myelogenous leukemia.
Incomplete form of Di George syndrome (DGS) which is characterized by hypoparathyroidism, thymic aplasia, facial dysmorphism, and cardiovascular anomalies may present with subclinical endocrine problems and may result in delay in diagnosis.
It is thought to exist along a spectrum of femoral aplasia, the more severe being proximal femoral focal deficiency (PFFD).
Objectives: To evaluate the surgical feasibility and the long-term anatomical and functional results and complication rates in patients with Mullerian aplasia who underwent vaginal reconstruction.