Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Incomplete or arrested development of an organ or a part.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. underdevelopment or incomplete development of a tissue or organ, especially when caused by an inadequate or below-normal number of cells

from The Century Dictionary and Cyclopedia

  • n. Deficient growth or atrophy of a part through excessive destruction or defective formation of cells.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. underdevelopment of an organ because of a decrease in the number of cells

Etymologies

hypo- + -plasia (Wiktionary)

Examples

  • If she falls over when blindfolded (because she relies on her eyes for balance), she probably has cerebellar hypoplasia, which is more common in kittens.

    STLtoday.com Top News Headlines

  • Macie Morse was born with optic nerve hypoplasia, meaning her optic nerve didn't develop all the way.

    Breaking News: CBS News

  • We also observed other phenotypes commonly associated with RP morphants [17], such as hypoplasia of the yolk sac extension, abnormalities in the ear, and delayed pigmentation of the eyes.

    PLoS ONE Alerts: New Articles

  • Sauer L, Harrison MR, Flake AW: Does an expanding fetal abdominal mass produce pulmonary hypoplasia.

    CHOP general fetal medicine publications

  • It can be life threatening because the displaced organs take up the room the lungs need to fully develop, causing pulmonary hypoplasia.

    CDH — Spence

  • View larger image »may result in severe kidney damage (renal dysplasia) and underdevelopment of the lungs (pulmonary hypoplasia), which are life-threatening conditions.

    Lower Urinary Tract Obstruction (LUTO)

  • Temporary tracheal occlusion in fetal sheep with severe lung hypoplasia does not improve postnatal respiratory function.

    CHOP congenital diaphragmatic hernia publications

  • It is defined by hypoplasia of the cerebellar vermis, cystic dilatation of fourth ventricle and hydrocephalus.

    Hydrocephalus

  • Herniation of the fetal liver is frequently associated with a small abdominal size and pulmonary hypoplasia (small lungs), two factors that can complicate the postnatal (after delivery) course.

    Omphalocele

  • The Pulmonary Hypoplasia Program, which evaluates and treats children who have pulmonary hypoplasia, a condition which limits full lung development.

    Pediatric surgery services: ECMO, transplant

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