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单词 mammillothalamic
释义

mammillothalamicadj.

Brit. /ˌmamɪləʊθəˈlamɪk/, U.S. /ˌmæmɪloʊθəˈlæmɪk/
Forms: 1900s– mamillothalamic, 1900s– mammillothalamic.
Origin: A borrowing from Latin. Etymon: Latin mamillo-thalamicus.
Etymology: < scientific Latin mamillo-thalamicus < classical Latin mamilla mamilla n. + -o- -o- connective + scientific Latin thalamicus thalamic adj. Compare earlier thalamomamillary (1913), and scientific Latin thalamomammillaris (1895).
Anatomy and Zoology.
Of or relating to the mammillary bodies and the thalamus; esp. in mammillothalamic tract n. a large bundle of fibres on each side of the brain, connecting the mammillary body to the anterior nucleus of the thalamus.
ΚΠ
1913 Cunningham's Text-bk. Anat. (ed. 4) 615 A bundle of fibres, the fasciculus mamillo-thalamicus, takes origin in the midst of each corpus mamillare and extends upwards into the thalamus.]
1917 Jrnl. Compar. Neurol. 28 292 In reptiles and mammals the nucleus anterior thalami stands in..intermediate relation between the mammillary body and the somatic parts of the thalamus by way of the mammillo-thalamic tract of Vicq d'Azyr.
1968 Brain 91 372 The rats with complete or partial mammillothalamic tractotomy made slightly more errors.
1974 V. B. Mountcastle et al. Med. Physiol. (ed. 13) I. xxxi. 828/1 Stimuli applied to a more caudal part of the dorsal hypothalamus, a region lying between the mammillothalamic tracts and descending columns of the fornix, cause polydipsia.
1980 Gray's Anat. (ed. 36) vii. 957/1 In Korsakow's syndrome, characterized by a memory loss for recent events, lesions in the mamillothalamic system are common.
1997 Cortex 33 419 We report a case of a woman with paramedian thalamic strokes involving the mammillothalamic tract, intralaminar nuclei, parts of the dorsomedial and ventral lateral nuclei bilaterally.
This is a new entry (OED Third Edition, June 2000; most recently modified version published online March 2022).
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adj.1917
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