hypoplasia

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Related to enamel, hereditary hypoplasia: enamel hypocalcification, enamel dysplasia

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]