英语词汇“root sheath”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

root sheath

root sheath n. (a) Botany a protective layer of cells, mucilage, etc., around a radicle, root, or root hair; (b) Anatomy any of several layers of a hair follicle (frequently with distinguishing word).

ΚΠ

1805 Ann. Bot. 1 105 Root-sheath radical, disappearing.

1845 Brit. & Foreign Med. Rev. 19 569 The root-sheath of the hair..is only the epidermis of the follicle.

1968 Amer. Jrnl. Bot. 55 391 (title) A mucilaginous root sheath in Ericaceae.

1993 Cell 73 274/1 The phenotype of hair-waving mutants such as wa-1 has been hypothesized to result from malfunctions in the internal root sheath that disturb hair movement.

extracted from rootn.¹

as lemmas

单词	root sheath
释义	> as lemmas root sheath root sheath n. (a) Botany a protective layer of cells, mucilage, etc., around a radicle, root, or root hair; (b) Anatomy any of several layers of a hair follicle (frequently with distinguishing word). ΚΠ 1805 Ann. Bot. 1 105 Root-sheath radical, disappearing. 1845 Brit. & Foreign Med. Rev. 19 569 The root-sheath of the hair..is only the epidermis of the follicle. 1968 Amer. Jrnl. Bot. 55 391 (title) A mucilaginous root sheath in Ericaceae. 1993 Cell 73 274/1 The phenotype of hair-waving mutants such as wa-1 has been hypothesized to result from malfunctions in the internal root sheath that disturb hair movement. extracted from rootn.¹ < as lemmas
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