. Cunningham's Text-book of anatomy. Anatomy. THE MESENCEPHALON. 583 Pedunculi Cerebri.âThe cerebral peduncles (Figs. 517 and 527) appear upon the ventral or basal aspect of the mesencephalon as two large rope-like strands which emerge from the cerebral hemispheres and disappear below by plunging into the pars basilaris of the pons. At the place where each peduncle emerges from the corresponding side of the cerebrum it is encircled by the optic tract. Each pedunculus cerebri is composed of two parts, viz., a dorsal tegmental part (tegmentum), which is prolonged upwards into the region below th
. Cunningham's Text-book of anatomy. Anatomy. THE MESENCEPHALON. 583 Pedunculi Cerebri.âThe cerebral peduncles (Figs. 517 and 527) appear upon the ventral or basal aspect of the mesencephalon as two large rope-like strands which emerge from the cerebral hemispheres and disappear below by plunging into the pars basilaris of the pons. At the place where each peduncle emerges from the corresponding side of the cerebrum it is encircled by the optic tract. Each pedunculus cerebri is composed of two parts, viz., a dorsal tegmental part (tegmentum), which is prolonged upwards into the region below the thalamus (hypothalamus), and a ventral portion (basis pedunculi), which, when traced upwards into the cerebrum, is seen to take up a position' on the lateral side of Nucleus lentiformis Capsula interna (pars lenticulo-thalamica) Nucleus caudatus Capsula interna (pars lenticulo-vx caudata) Union of lentiform andâ caudate nuclei olfactorius Tractus opticus. Infundibulum Hypophysis [anterior lobe " cerebri "^posterior lobe-" Tuber cinereum â¢' / /!-> Pons / Nervus trigeminus (portio major) ; ,~ Nervus trigeminus (portio minor/ Nervus facialis Nervus intermedins-' Nervus acusticus-' Nervus abducens â '" Nervus glossopharyngeus"" Nervus vagus Pyramis Oliva' Fasciculus circumolivaris pyramidis Nucleus amygdala? (cut) Commissura anterior Stria terminalis Capsula interna (pars sublenticularis) Nucleus caudatus. Thalamus Corpus geniculatum laterale Corpus pineale Corpus geniculatum mediale Colliculus superior Brachium quadrigeminum inferius Colliculus inferior Lemniscus lateralis Nervus trochlearis --Brachium conjunctivum âBrachium pontis â¢Fossa flocculi LCrus flocculi Nucleus dentatus "cerebelli âCorpus ponto-bulbare âFasciculus spinocerebellaris Nervus spinalis Fig. 517.âThe Left Lateral Aspect of the Brain-stem after the Cerebral Hemisphere (except the Corpus Striatum) and the Cerebellum (except the Nucleus Den
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1914
