Archive image from page 685 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 652 THE NEKVOUS SYSTEM. relationship with cells of the ventro-lateral nucleus. The fibres arising from this nucleus proceed to the gyrus centralis posterior, and convey impulses to it, which may excite a consciousness of touch, pressure, pain, heat, or cold. Some of these spino-thalamic fibres enter the medial lemniscus in the medulla oblongata, but others remain separate from it (Fig. 580) until they reach the level of the pons, where they become adde
Archive image from page 685 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 652 THE NEKVOUS SYSTEM. relationship with cells of the ventro-lateral nucleus. The fibres arising from this nucleus proceed to the gyrus centralis posterior, and convey impulses to it, which may excite a consciousness of touch, pressure, pain, heat, or cold. Some of these spino-thalamic fibres enter the medial lemniscus in the medulla oblongata, but others remain separate from it (Fig. 580) until they reach the level of the pons, where they become added to the lateral margin of the bulbo-thalamic tract. [In Fig. 580 the line from the label 'lemniscus medialis' points to the place of junction of the spino- and bulbo-thalamic tracts.] Other groups of fibres, serially homologous to both the spino-thalamic and the bulbo-thalamic tracts, come from the various sensory cerebral nervesâtrigeminal, Lateral ventricle Xucleus caudatus Corona radiata Corpus callosum Internal capsule Claustrum Jyrus temporalis jf trans versus â Basis pedunculi- cerebri Substantia.,-' nigra Cerebro-spinal andâ cerebro-pontine tracts , in the pons Xervus acusticusâ-/ . Corpus trapezoideum âr Pyramidâ Decussation of pyramids 'Ventral cerebro-spinal tract Thalamo-cerebral (sensory) radiation in internal capsule Auditory radiation enter- ing transverse temporal gyri Ventro-lateral thalamic nuc receiving the medial lemnii 'and emitting sensory fibres to the cortex Auditory radiation Lateral geniculate body receiving lateral lemniscus emitting auditory radiatioi Lateral ventricle inferior ci Medial geniculate body Fimbria Hippocampus Lateral lemniscus Medial lemniscus at the part where the spino-thalamic and bulbo- thalamic tracts join Fig. 580.âFrontal Section of Brain, passing in the Line of the Cerebro-Spinal Tract (marked in red) in the Eight Hemisphere (left side of Fig.), and on a more posterior plane in the left hemisphere, where the sensory p
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