hypoplasia


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

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.

Hypoplasia

A deficiency or underdevelopment of a tissue or body structure.

hypoplasia

Any 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]
References in periodicals archive ?
Company profile section of players such as Pfizer, Abbott Laboratories, Eli Lilly, Ranbaxy Pharmaceutical, Company Profile, Main Business Information, SWOT Analysis, Sales, Revenue, Price and Gross Margin, Market Share, Hypoplasia, Obstructive & Septal Defects includes its basic information like legal name, website, headquarters, its market position, historical background and top 5 closest competitors by Market capitalization / revenue along with contact information.
A new variant in signal peptide of the human luteinizing hormone receptor (LHCGR) affects receptor biogenesis causing leydig cell hypoplasia. Hum Mol Genet 2015;24:6003-6012.
Pelvic abnormalities included hypoplasia and delayed ossification of ilium, ischium and pubis and sloping acetabular roofs.
Adrenal hypoplasia congenita is frequently associated with hypogonadotropic hypogonadism (HHG, MIM 1416110), the spectrum of presentation of HHG varies widely from pubertal failure to infertility.
The patient with OD hypoplasia (2%) benefited the least from the telescopic system.
Fundoscopic examination showed foveal and optic nerve hypoplasia. The optic nerves had a cup to disc ratio of 0.0 in each eye.
Problems such as Turner's hypoplasia, fluorosis, and external factors are usually treated with methods including bleaching, microabrasion technique, and laminate veneer restoration.
However, as others have shown, OCT remains the best tool to investigate foveal hypoplasia [4], and the parents of this patient did not authorize further investigation.
The clinical presentation of a hypoplastic thumb varies from moderate hypoplasia to the loss of the thumb.
We report rare and fatal anomalies in a preterm neonate with a large gastroschisis, severe pulmonary hypoplasia, and kyphoscoliosis.