Aplasia
Aplasia (/əˈpleɪʒə/ (
listen); from Greek a, "not", "no" + plasis, "formation") is a birth defect where an organ or tissue is wholly or largely absent. It is caused by a defect in a developmental process.[1][2]
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Aplastic anemia is the failure of the body to produce blood cells. It may occur at any time, and has multiple causes.[1][2]
Examples
- Acquired pure red cell aplasia
- Aplasia cutis congenita
- Aplastic anemia
- Germ cell aplasia, also known as Sertoli cell-only syndrome
- Radial aplasia
- Thymic aplasia, which is found in DiGeorge syndrome and also occurs naturally as part of the gradual loss of function of the immune system later in life
See also
- Atrophy
- Hyperplasia
- Hypoplasia
- Neoplasia
- List of biological development disorders
References
- Stedman's medical dictionary. Baltimore: Williams and Wilkins. 1990. p. 106. ISBN 0-683-07916-6.
- "Stedman's > aplasia". Drugs.com. Archived from the original on 3 June 2009. Retrieved 17 February 2010.
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