poliosisn.

Brit.

/ˌpɒlɪˈəʊsɪs/, U.S.

/ˌpɑliˈoʊsəs/

Origin: A borrowing from Latin. Etymon: Latin poliosis.

Etymology: < post-classical Latin poliosis (1713 (in B. Castelli Lexicon Medicum) or earlier) < ancient Greek πολιός grey (related to πελιός dark bluish grey: see peliosis n.) + post-classical Latin -osis -osis suffix.

Medicine.

Partial or general greyness or whiteness of the hair, esp. if premature; spec. the presence of a circumscribed area of white hair in the scalp (a white forelock).

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of visible parts > disorders of hair > [noun] > loss of colour

canities1807

poliosis1817

1813 T. Young Introd. Med. Lit. lxiv. 370 Spilosis, discolorations of the skin, or of the cuticular substances, without constitutional disease... S. poliósis, grey hairs.]

1817 J. M. Good Physiol. Syst. Nosol. 499 (note) Polyosis [sic]..is derived from πολιὸς.

1868 Jrnl. Cutaneous Med. 1 277 Poliosis, or canities, was present in 9 cases in the two thousand... The white hairs were pretty uniformly dispersed through the rest of the hair, giving rise to incipient greyness.

1940 S. W. Becker & M. E. Obermayer Mod. Dermatol. & Syphilol. xxx. 531/1 Poliosis is definitely hereditary, and..is due to complete lack of pigment function.

1982 Arch. Dermatol. 118 546 Poliosis may frequently be associated with pigmentary disturbances of the eye, as well as hair loss.

2003 Amer. Jrnl. Med. Genetics A. 122 125 This phenotype is very similar to..human piebaldism, which is characterized by a congenital depigmented patches and poliosis (white forelock).

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	poliosis
释义	poliosisn. Brit. /ˌpɒlɪˈəʊsɪs/, U.S. /ˌpɑliˈoʊsəs/ Origin: A borrowing from Latin. Etymon: Latin poliosis. Etymology: < post-classical Latin poliosis (1713 (in B. Castelli Lexicon Medicum) or earlier) < ancient Greek πολιός grey (related to πελιός dark bluish grey: see peliosis n.) + post-classical Latin -osis -osis suffix. Medicine. Partial or general greyness or whiteness of the hair, esp. if premature; spec. the presence of a circumscribed area of white hair in the scalp (a white forelock). ΘΚΠ the world > health and disease > ill health > a disease > disorders of visible parts > disorders of hair > [noun] > loss of colour canities1807 poliosis1817 1813 T. Young Introd. Med. Lit. lxiv. 370 Spilosis, discolorations of the skin, or of the cuticular substances, without constitutional disease... S. poliósis, grey hairs.] 1817 J. M. Good Physiol. Syst. Nosol. 499 (note) Polyosis [sic]..is derived from πολιὸς. 1868 Jrnl. Cutaneous Med. 1 277 Poliosis, or canities, was present in 9 cases in the two thousand... The white hairs were pretty uniformly dispersed through the rest of the hair, giving rise to incipient greyness. 1940 S. W. Becker & M. E. Obermayer Mod. Dermatol. & Syphilol. xxx. 531/1 Poliosis is definitely hereditary, and..is due to complete lack of pigment function. 1982 Arch. Dermatol. 118 546 Poliosis may frequently be associated with pigmentary disturbances of the eye, as well as hair loss. 2003 Amer. Jrnl. Med. Genetics A. 122 125 This phenotype is very similar to..human piebaldism, which is characterized by a congenital depigmented patches and poliosis (white forelock). This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1817
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