Manuale di anatomia che copre il sistema nervoso umano, compresa la struttura del cervello, la volta cranica e le fessure. Fornisce descrizioni dettagliate dell'anatomia cerebrale e delle relative caratteristiche fisiologiche.
1413 x 1768 px | 23,9 x 29,9 cm | 9,4 x 11,8 inches | 150dpi
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. Cunningham's Text-book of anatomy. Anatomy. 540 THE NEKVOUS SYSTEM. is closely applied to the internal aspect of the cranial vault, and are separated from each other by a deep median cleft, termed the fissura longitudinalis cerebri, which extends from the front to the back of the brain. The inferior aspect of the brain is usually termed the basis cerebri. It presents an uneven and irregular surface, which is more or less accurately adapted to the inequalities on the floor of the cranial cavity. Upon this aspect of the brain some of its main subdivisions may be recognised. Thus, posteriorly, is seen the short cylindrical portion, called the medulla oblongata, through which, at the foramen magnum, the brain becomes continuous with the medulla spinalis. The medulla oblongata lies on the ventral aspect of the cerebellum, and occupies the vallecula or hollow which intervenes between the two cerebellar hemispheres. The cerebellum Optic chiasma Infundibulum Olfactory bulb Left corpus mamillare Substantia perforata posterior Pedunculus cerebri Olfactory tract Optic nerve. Abducens nerve Hypoglossal nerve Substantia perforata anterior Optic tract Tuber cinereum Oculomotor nerve Trochlear nerve Trigeminal nerve Facial nerve Acoustic nerve Nervus intermedius Glosso-pharyngeal nerve Medulla Oblongata Medulla spinalis (cut) Vagus nerve Accessory nerve Hypoglossal nerve Fig. 476.—The Base of the Brain with the Cerebral Nerves attached. is a mass of considerable size which is placed below the posterior portions of the two cerebral hemispheres. It is easily recognised on account of the closely set, curved, and parallel fissures which traverse its surface and give it a foliated appearance. Above the medulla oblongata, and in close connexion with it, is a prominent white elevation called the pons. Immediately in front of the pons there is a deep hollow or recess. This is bounded behind by the pons, on each side by the projecting temporal lobe of the cerebral hemisphere, and in fr
