abiotrophy


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Related to abiotrophy: Cerebellar abiotrophy

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]

abiotrophy

/abi·ot·ro·phy/ (a″bi-ot´rah-fe) progressive loss of vitality of certain tissues, leading to disorders; applied to degenerative hereditary diseases of late onset, e.g., Huntington's chorea.

abiotrophy

[ab′ē·ot′rəfē]
Etymology: Gk, a + bios + trophe nutrition, growth
degeneration or loss of function that is not due to any apparent injury. See also atrophy. abiotrophic [ab′ē·ətrō′fik] adj.

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.

abiotrophy

premature progressive loss of vitality of certain tissues or organs, usually of the nervous system, leading to disorders or loss of function; applied especially to degenerative hereditary nervous system diseases of postnatal onset.

cochlear abiotrophy
an inherited degeneration of the cochlear duct of dogs causing deafness which becomes evident after several weeks of age.
hereditary neuronal abiotrophy of Swedish Lapland dogs
an autosomal recessive trait with lower motor neuron abiotrophy causing arthrogryposis, tetraplegia and muscle atrophy from 5 weeks of age.
spinal cord abiotrophy
see hereditary neuronal abiotrophy of Swedish Lapland dogs (above).