Cerebellar functions / Dr. Andre-Thomas.

Date:
1912
Catalogue details

Licence: Public Domain Mark

Credit: Cerebellar functions / Dr. Andre-Thomas. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    man, and those produced by the total destruction of the organ (both cortex and central gray nuclei), between the phenomena produced by the excitation of the cortex and of those which follow the irritation of the central nuclei. To sum up, the cere- bellar cortex is an organ and the central gray nuclei are other organs; there exist relations, both anatomical and physiological, between the two, but nevertheless they enjoy an independence sufficiently marked to consider them as distinct organs. The cerebellum is formed of a median or central part, the vermis or median lobe, and of two lateral parts, the lateral lobes or hemispheres. Fig. 2, Section of Meynert. Superior surface of the cerebellum. Lqa, anterior quadrilateral lobe; Lqp, posterior quadrilateral lobe; Lsli, inferior semi-lunar lobe; Lsls, superior semi-lunar lobe; NA, nucleus amygdalus; P, foot of the peduncle; pFL, falciform fold of Broca; Scf, circumferential fissure of Vicq d'Azyr; SiV, inferior fissure; Sma, ante- rior marginal groove; SsV, superior fissure; Sta, anterior transverse fissure-; Vcu, culmen; Vde, declive; Vsph, sphenoidal ventricle; XII, optic chasm. The vermis in the animal series is the most constant part of the cerebellum; it alone exists in the inferior vertebrates (fishes, reptiles), and also in the great majority of birds. It is only in the mammalia that the lateral lobes, rudimentary in certain types of birds, compare in their development with the vermis. Edinger, from the point of view of phylogenetic evolu-