Aplasia

Aplasia (/əˈpleɪʒə/ ( listen); from Greek a (not, no); plasis (molding)) is defined in general as "defective development or congenital absence of an organ or tissue."^[1]^[2] In the field of hematology, the term refers to "incomplete, retarded, or defective development, or cessation of the usual regenerative process."^[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

References

1 2 Stedman's medical dictionary. Baltimore: Williams and Wilkins. 1990. p. 106. ISBN 0-683-07916-6.
1 2 "Stedman's > aplasia". Drugs.com. Retrieved 17 February 2010.

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[Stedman-1] 1 2 Stedman's medical dictionary. Baltimore: Williams and Wilkins. 1990. p. 106. ISBN 0-683-07916-6.

[DrugsDotCom-2] 1 2 "Stedman's > aplasia". Drugs.com. Retrieved 17 February 2010.

-plasia and -trophy
Anaplasia (structural differentiation loss within a cell or group of cells). Aplasia (organ or part of organ missing) Hypoplasia (congenital below-average number of cells, especially when inadequate) Hyperplasia (proliferation of cells) Neoplasia (abnormal proliferation) Dysplasia (change in cell or tissue phenotype) Metaplasia (conversion in cell type) Prosoplasia (development of new cell function) Desmoplasia (connective tissue growth)
Atrophy (reduced functionality of an organ, with decrease in the number or volume of cells) Hypertrophy (increase in the volume of cells) Hypotrophy (decrease in the volume of cells) Abiotrophy (loss in vitality of organ or tissue) Dystrophy (any degenerative disorder resulting from improper or faulty nutrition)

Aplasia

Examples

See also

References