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单词 rostrad
释义

rostradadv.

Brit. /ˈrɒstrad/, U.S. /ˈrɔstræd/, /ˈrɑstræd/
Origin: Formed within English, by derivation. Etymons: rostral adj., -ad suffix2.
Etymology: < rostr- (in rostral adj.) + -ad suffix2.
Anatomy and Zoology.
Towards or in the direction of the rostral end or aspect. Cf. rostrally adv. at rostral adj. and n. Derivatives. Opposed to caudad adv. at cauda n. Derivatives.
ΘΚΠ
the world > life > the body > positions or directions in body > [adverb] > specific
upwardsc1400
posteriorly1598
centrad1803
dextrad1803
distad1803
peripherad1803
proximad1803
sinistrad1803
atlantad1825
rostrad1831
mesially1849
ventrad1849
peripherally1852
posterolaterally1857
rostrally1863
distally1870
medianly1870
ventrally1870
postaxially1873
preaxially1873
posteroventrally1877
proximally1878
mesad1881
lateralwards1882
ventralwards1883
preaxiad1888
mesally1890
anteriad1891
haemad1891
postaxiad1892
lateralward1895
sagittally1895
ventral1899
posteriad1902
ipsilaterally1950
midsagittally1960
ventromedially1960
1831 Philos. Mag. 2nd Ser. 9 365 The breadths of the pelvis, rostrad, (measured towards the front), from the acetabula, are even numbers of proportional parts.
1894 Amer. Naturalist 28 375 The direction towards these [sc. the rostral and caudal ends] are respectively ‘rostrad’ and ‘caudad’.
1944 Physiol. Zool. 17 254/1 Longitudinal nerve fibers arising within the spinal cord course, for the most part, rostrad rather than caudad.
2000 T. J. Hara in G. K. Ostrander Lab. Fish 246/1 The development of the lamellae begins caudad and continues rostrad.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).
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adv.1831
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