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单词 abneural
释义

abneuraladj.

Brit. /abˈnjʊərəl/, /abˈnjʊərl̩/, U.S. /æbˈn(j)ʊrəl/, /æbˈn(j)urəl/
Origin: Formed within English, by derivation. Etymons: ab- prefix, neural adj.
Etymology: < ab- prefix + neural adj. Compare abnerval adj.
1. Embryology. Situated opposite to or away from the neural side or aspect (neural adj. 1). Now rare.
ΚΠ
1884 A. Sedgwick in Q. Jrnl. Microsc. Sci. 24 69 In the one stock..a præoral lobe was developed on the abneural surface of the body.
1892 Amer. Naturalist 26 371 The development of neural ridges upon what was the white pole can be brought about without there being any interchange of function between the normal neural side of the egg and the abneural white side.
2005 A. B. Butler & W. Hodos Compar. Vertebr. Neuroanat. (ed. 2) xxxi. 644/1 In other words, the neural and abneural surfaces remain the same, but the position of the mouth switches from neural in protostomes to abneural in chordates.
2. Physiology. Designating the side of the sensory epithelium of the cochlea that is located away from the cochlear nerve; belonging or relating to this side.
ΚΠ
1978 Jrnl. Morphol. 156 381 The hair cells of the entire apical and the basal three quarters of the basal segment are opposingly oriented, not with reference to the midpapillary axis but randomly to either the neural or abneural direction.
1994 Jrnl. Morphol. 221 2/2 Differences between neural and abneural hair cells were generally more pronounced in the canaries than in the zebra finches.
2005 Hearing Res. 204 51 (caption) When cochlear damage is present, it begins in the base and is most extreme along the abneural edge.

Derivatives

abˈneurally adv.
ΚΠ
1978 Amer. Jrnl. Anat. 151 409 Most hair cells are unidirectionally and abneurally oriented.
1990 Hearing Res. 48 69 Nine of the 10 completely stained fibres contacted hair cells located abneurally on the free basilar membrane.
2006 Seminars Cell & Developmental Biol. 17 197 (caption) Each cell forms multiple cilia that organize into stereociliary bundles that form a chevron shape with the tip pointing abneurally.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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adj.1884
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