. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 814 PHYSIOLOGY OF THE DOMESTIC ANIMALS. in an apparent condition of almost total paralysis, yet after the shock of the operation has passed off a number of highly complex reflex motions may be evoked. If, however, the section of the cord be made at the anterior border of the medulla the position of the frog after the shock of the operation has passed off is more nearly normal, and allusion has been Thai:. a be de fa vvv V S H Fig. 353.—Diagram of the Chief Tracts in the Medulla, after Erb. (Ranney.) The fo
. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 814 PHYSIOLOGY OF THE DOMESTIC ANIMALS. in an apparent condition of almost total paralysis, yet after the shock of the operation has passed off a number of highly complex reflex motions may be evoked. If, however, the section of the cord be made at the anterior border of the medulla the position of the frog after the shock of the operation has passed off is more nearly normal, and allusion has been Thai:. a be de fa vvv V S H Fig. 353.—Diagram of the Chief Tracts in the Medulla, after Erb. (Ranney.) The formatio reticularis is represented by shading. 01., olivary body; V anterior, S lateral, and H pos- terior spinal funiculi; a, pyramido-anterior tract; d, pyramido-lateral tract; Py., pyramidal tract; b, re- mainder of anterior column : r, remainder of the lateral column: e, e., cerebello-lateral tract; /, *funioulus gra- cilis, and,./', nucleus of the same; g, funiculus cunea- tus, and, g>, nucleus of the same; , internal fasciculus of the pedunc. cerebelli; , external fasciculus of the same; , tract from corp. quadr. to format, retic; , the same to the olivary body; Thai., tract from the thalamus opticus. Fig. 354.—Transparent Lateral View of the Medulla, showing the Relative Positions of the Most Important Nuclei; Right Half of the Medulla, Seen from the Surface of Section; The Parts that Lie Closer to this Surface are Deeper Shaded, after Erb. {Ranney.) Pi/, pyramidal tract; Py. Kr, decussation of pyramids; 0. olivary body; superior olivary body; V, motor, VI, middle sensory. F", inferior sensory nucleus of trigeminus; VI. nucleus of abducens ; <?./, genu facialis; VII. nucleus facialis; VIII. posterior median acoustic nucleus ; IX, glosso-pharyngeal nucleus X, nucleus of vagus; XI, accessorius nucleus; XII, hypoglossal nu- cleus; , nucleus of the funiculus gracilis; RV, tri- geminus roots ; those of the R VI, abducens, and RVII, f
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