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单词 tegmentum
释义

tegmentumn.

/tɛɡˈmɛntəm/
Forms: Plural tegmenta.
Etymology: Latin doublet of tegumentum tegument n.
1. Botany. Each of the scales forming the covering of a leaf-bud; a bud-scale.
ΘΚΠ
the world > plants > part of plant > bud > [noun] > leaf-bud > covering or bud-scale
tegmentum1832
perula1856
1832 J. Lindley Introd. Bot. 51 Thus, in the Beech, the tegmenta are thin, smooth, and dry.
1842 W. T. Brande Dict. Sci., Lit. & Art 1217/2 Tegmenta.
1861 R. Bentley Man. Bot. i. iii. 100 These external modified leaves..termed scales..have also received the names of tegmenta.
2. Anatomy. The upper and hinder portion of each of the crura cerebri.
ΘΚΠ
the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebrum > other parts of cerebrum
crusta1842
fossula1850
tegmentum1879
amygdaloid nucleus1889
amygdaloid complex1980
1879 St. George's Hosp. Rep. 9 670 Those on the opposite surface of the crus, which form the tegmentum.
1888 W. R. Gowers Man. Dis. Nerv. Syst. II. iv. 404 There may be hemianæsthesia from softening of the tegmentum of the crus.
This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2018).
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n.1832
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