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Incomplete or arrested development of an organ or a part.

hy′po·plas′tic (-plăs′tĭk) adj.


(ˌhaɪpəʊˈplæzɪə) or


(Pathology) pathol incomplete development of an organ or part
hypoplastic adj


(ˌhaɪ pəˈpleɪ ʒə, -ʒi ə)

also hy′po•plas`ty

(-ˌplæs ti)

abnormal deficiency of cells or structural elements.
hy`po•plas′tic, adj.


a 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, Human
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hypoplasia - underdevelopment of an organ because of a decrease in the number of cells
dysplasia - abnormal development (of organs or cells) or an abnormal structure resulting from such growth


n. hipoplasia, desarrollo incompleto de un órgano o parte.
References in periodicals archive ?
Among the topics are inheritance patterns, ethical issues, primary congenital glaucoma and juvenile open angle glaucoma, Margan syndrome and other causes of ectopic lentis, familial exudative vitreoretinopathy, retinitis pigmentosa, cone-rod dystrophy, enhanced S-cone syndrome and other NR2ES-related retinal dystrophies, congenital stationary night blindness, optic nerve hypoplasia, and Leber hereditary optic neuropathy.
9%) patients, main pulmonary artery hypoplasia in 19 (9.
This is distinguished from incomplete development of the first and third arches which is thought to cause ICA hypoplasia, also a rare entity.
3g of retinoic acid via yolk sac to induce a defective model of a thymus with hypoplasia.
Additional unusual dental findings such as single-rooted funnel-shaped molars, reduced crown size, enamel hypoplasia, supernumerary teeth, dental fusion, taurodontism, abnormal occlusal anatomy with wide grooves, and atypical cusps have been reported in most previous cases of this syndrome.
Dandy-Walker malformation is defined by enlarged posterior fossa, cystic dilatation of the fourth ventricle, and cerebellar hypoplasia.
Isolated foveal hypoplasia (IFH) is a condition in which the fovea is characterized by the absence of foveal depression, pigmentation, and foveal avascular zone.
It includes hypoplasia of the distal phalanges/nails, a 'finger-like' thumb, syndactyly, polydactyly, absent palmar creases and positional limb defects like club feet.
Treacher Collins Syndrome (TCS) is a rare, autosomal dominant disorder characterized by hypoplasia of maxillary and mandibular bones, external ear abnormalities, preauricular hair displacements onto the cheeks, coloboma of the lower eyelid and absence of the lower eyelashes and conductive hear loss.
Besides, polysplenia syndrome concomitant with situs inversus totalis and distal pancreatic hypoplasia are rare congenital anomalies.
Hypoplasia or occlusion of arteries forming the aforementioned collateral segments are common as variations of incomplete CoW are presented in one third to one half of population [1, 2].