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Hypoplasia

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hypoplasia

[‚hī·pō′plā·zhə]
(medicine)
Failure of a tissue or organ to achieve complete development.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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References in periodicals archive
The study focused on the safety and feasibility of stem cell treatments designed to strengthen the heart muscle of children with hypoplastic left heart syndrome, a severe congenital heart disease.
Harold Burkhart, who leads the pediatric cardiothoracic surgery team at OU Medicine, said being a member of the Hypoplastic Left Heart Syndrome Consortium establishes Oklahoma as a regional center for families to receive care closer to home.
The other important feature of this syndrome is hypoplastic right lung.
In utero valvuloplasty for pulmonary atresia with hypoplastic right ventricle: Techniques and outcomes.
Two or more asymmetric parameters were found in 67% of women with hypoplastic breasts, 65% of women with macromastia, and 68% of women with ptotic breasts.
Interestingly, all cases of hypoplastic marrow 12 cases (5.4%) had history of herbal medicine intake.
The study--"Allogeneic hMSC Injection in Patients With Hypoplastic Left Heart Syndrome (ELPIS)"--is an open-label clinical trial enrolling 30 infants with HLHS overseen by Longeveron, a Miami-based regenerative medicine company, the University of Maryland, and Johns Hopkins University.
The clinical presentation of a hypoplastic thumb varies from moderate hypoplasia to the loss of the thumb.
However, it must be kept in mind that hypoplastic calvaria strongly indicates phases of arterial hypotonia and subsequent hypoxia during fetal development.
In this group of CLA, formation of the petrous bone is normal, but the otic capsule is hypoplastic or aplastic.
Under the terms of the grant agreement, the company will partner with the University of Maryland and Johns Hopkins University to conduct a clinical trial for Hypoplastic Left Heart Syndrome (HLHS), a rare and often fatal condition in infants caused by an underdeveloped heart.
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