请输入您要查询的英文单词:

 

单词 amelanotic
释义

amelanoticadj.

Brit. /ˌeɪmɛləˈnɒtɪk/, U.S. /ˌeɪˌmɛləˈnɑdɪk/, /əˌmɛləˈnɑdɪk/
Origin: Formed within English, by derivation. Etymons: a- prefix6, melanotic adj.
Etymology: < a- prefix6 + melanotic adj. Compare amelanosis n.
That does not contain or produce the dark pigment melanin; lacking pigmentation by melanin.Often used with reference to melanomas.
ΚΠ
1914 Ann. Surg. 60 95 It would seem from this that even in the amelanotic tumors a substance is produced which needs only oxidation in order to become pigmented.
1988 Jrnl. Amer. Acad. Dermatol. 19 241/1 Patches of vitiligo are amelanotic rather than hypomelanotic because of the loss of melanocytes.
2001 Laurel (Mississippi) Leader-Call 29 Mar. e9/5 Amelanotic melanoma is a melanoma that does not produce enough pigment to have the color of a pigmented lesion.
This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021).
<
adj.1914
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/3/17 17:22:46