Definitions
from The Century Dictionary.
- noun [lowercase] In pathology, absence of hair; alopecia or atrichosis.
- noun The typical and only genus of the family Atrichiidæ. A. clamosa is the scrub-bird of Australia. J. Gould, 1844. Also called
Atrichornis . - noun A genus of dipterous insects.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
absence ofhair due tocongenital or acquired physical reasons.
Etymologies
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Examples
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Ten years ago researchers found that mutations in the HR gene are responsible for congenital atrichia, where hair is shed completely during the first year of life and never regrows.
unknown title 2009
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Dr Zhang, whose findings are published online in Nature Genetics, has now shown a sequence immediately adjacent to HR encodes the chemical, and that mutations affecting its function are found in families with MUHH (Maria Unna hereditary hypotrichosis), a condition related to congenital atrichia.
unknown title 2009
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