abiotrophy

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abiotrophy

 [a″bi-ot´rah-fe]
progressive loss of vitality of certain tissues or organs leading to disorders or loss of function; applied especially to degenerative hereditary diseases of late onset, such as Huntington's chorea. adj., adj abiotroph´ic.

ab·i·ot·ro·phy

(ab-ē-ot'rō-fē),
An age-dependent manifestation of a genetically determined trait.
[G. a- priv. + bios, life, + trophē, nourishment]

ab·i·ot·ro·phy

(ā'bī-ot'trŏ-fē)
An age-dependent manifestation of a genetically determined trait that has been latent from the time of conception.
[G. a- priv. + bios, life, + trophē, nourishment]

abiotrophy

A general and inexact term referring to the effects of ageing, or to any degenerative process of unknown cause affecting tissue, especially nerve tissue. As knowledge extends the need for such terms diminishes.