The anatomy of the nervous system : from the standpoint of development and function / by Stephen Walter Ranson.

  • Stephen Walter Ranson
Date:
1923
Catalogue details

Licence: In copyright

Credit: The anatomy of the nervous system : from the standpoint of development and function / by Stephen Walter Ranson. Source: Wellcome Collection.

    33/426 page 33
    ventricular foramina, which at this stage are relatively large. The lamina teiininalis, connecting the two hemispheres in front of the third ventricle, repre- Diencephalon A Pallium Mesencephalon Cephalic flexure B Thalamus Optic cup Pontine flexure' Myelencephalon— Mill Pallium Meten- cephalon Corpus striatum Optic recess Hypothalamus Mesencephalon Isthmus Cerebellum Medulla oblongata Fig. 15. Reconstructions of the brain of a 7 mm. embryo; A, Lateral view; B, in median sagittal section. (His, Prentiss-Arey.) sents in a certain sense the rostral end of the brain. Immediately behind this lamina is a portion of the telencephalic cavity which forms the anterior part of Cerebral peduncle Cerebral aqueduct „ M esencephalon Thalamus. Diencephalon- Pallium y T clencephalon- - Corpus striatum Pons Rhinencephalori Lamina terminalis halic isthmus Cerebellum Metencephalon Rhomboid fossa Myelencephalon cord Fig. 16.—A median section of the brain of a 13.6 mm. human embryo: 1, Optic recess; 2, ridge formed by optic chiasma; 3, optic chiasma; 4, infundibular recess. (His, Sobotta.) the third ventricle. The further development of these structures is readily traced in Fig. 17, which represents the brain of a human fetus of the third 3
    digitised image 1
    digitised image 2
    digitised image 3