| 单词 | optic ganglion |
| 释义 | > as lemmasoptic ganglion optic ganglion n. Anatomy and Zoology any of various bodies of nervous tissue associated with the eye or the optic nerve; (formerly) spec. †a quadrigeminal body (obsolete). ΚΠ 1834 Philos. Trans. (Royal Soc.) 124 409 The anterior or cerebral portion of the nervous system [in the centipede] is formed originally by the coalescence of at least two pairs of ganglia, the antennal and optic ganglia. 1851 W. B. Carpenter Man. Physiol. (ed. 2) iii. 230 The vesicular matter of the retina is an offshoot..from that of the optic ganglion. 1921 Science 13 May 462/2 It is probable that the optic ganglion is normally developed in the eyeless individual [sc. a cave-dwelling cladoceran]. 1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) xi. 351/2 The nerve impulses are processed in a complex optic ganglion deep below the ommatidia [sc. in modern arthropods]. < as lemmas |
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