| 单词 | internal geniculate nucleus |
| 释义 | > as lemmasinternal geniculate nucleus geniculate nucleus n. Anatomy (a) (more fully lateral geniculate nucleus or external geniculate nucleus) a small oval eminence of grey matter located on the posterior and inferior surface of the thalamus, forming part of the optic tract; (b) (in full medial geniculate nucleus or internal geniculate nucleus) a similar eminence of grey matter located medial to the lateral geniculate nucleus and forming part of the auditory tract. ΚΠ 1881 J. Ross Treat. Dis. Nerv. Syst. viii. 644 A large tumour of the lenticular nucleus might compress the optic tract, either at its origin in the external geniculate nucleus, or as it winds round the crus cerebri. 1906 J. H. Macdonald tr. L. Bianchi Text-bk. Psychiatry i. i. 40 The internal root [of the optic tract] can be followed as far as the internal geniculate nucleus. 1929 C. U. A. Kappers Evol. Nerv. Syst. 151 In the midbrain the medial geniculate nucleus appears and the nucl. ruber enlarges considerably as a center of cerebellar projections to the cortex (and striatum). 1972 Brain Res. 31 85 The inferior pulvinar is bordered ventromedially by the medial geniculate nucleus and rostrally by the lateral geniculate. 2006 New Scientist 6 May 34/2 The calcarine sulcus contains much of the visual cortex, which receives signals from the retina of the eye via the optic nerve and lateral geniculate nucleus. < as lemmas |
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