Hand-book of physiology (1892) (14762194011)

Identifier: handbookofphysio00bake (find matches)

Title: Hand-book of physiology

Year: 1892 (1890s)

Authors: Baker, W. Morrant, (William Morrant), 1839-1896 Harris, Vincent Dormer Kirkes, William Senhouse, 1823-1864. Hand-book of physiology. 13th ed

Subjects: Physiology Human physiology

Publisher: London : John Murray

Contributing Library: Francis A. Countway Library of Medicine

Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

Text Appearing Before Image:

uses, fibres pass from the prevertebral chain of ganglia, aswell as from cerebro-spinal nerves. (3) Various ganglia andplexuses in the substance of many of the viscera, as in theStomach, Intestines, and Urinary bladder. These, which are, forthe most part, microscopic, also freely communicate with otherparts of the sympathetic system, as well as, to some extent, withthe cerebro-spinal. (4) By many, the ganglia on the Posteriorroots of the spinal nerves, on the Glossopharyngeal and Vagus, andon the Sensory root of the Fifth cerebral nerve (Gasserian ganglion),are also included as sympathetic-nerve structures. Classification.—Gaskells researches have suggested a convenientclassification for the sympathetic ganglia into : (1.) The mainsympathetic chain, extending from above downwards, in the formof connected ganglia lying upon the bodies of the vertebrae, whichmay be called lateral or vertebral ganglia. (2.) A more or lessdistinct chain, prevertebral in position, consisting of the semi-

Text Appearing After Image:

Fig. 390.—Diagrammatic view of theSympathetic cord of the right side, show-ing its connections with the principalcerebro-spinal nerves and the main prse-aortic plexuses. J. (From Quains Ana-tomy.) Cerebro-spinal nerves.—VI, a portion ofthe sixth cranial as it passes through thecavernous sinus, receiving two twigs fromthe carotid plexus of the sympatheticnerve ; O, ophthalmic ganglion connectedby a twig with the carotid plexus ; M,connection of the spheno-palatine gang-lion by the Vidian nerve with the carotidplexus; C, cervical plexus ; Br, brachialplexus ; D 6, sixth intercostal nerve ; D 12,twelfth; L 3, third lumbar nerve ; S 1,first sacral nerve ; S 3, third ; S 5, fifth;Cr, anterior crural nerve ; Cr, great scia-tic; pn, vagus in the lower part of theneck; r, recurrent nerve winding roundthe subclavian artery. Sympathetic Cord.—c, superior cervicalganglion; c, second or middle ; c, in-ferior ; from each of these ganglia cardiacnerves (all deep on this side) are seendescendi

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1892

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