. The anatomy of the domestic animals . Veterinary anatomy. 830 NERVOUS SYSTEM OP THE HORSE branches derived from the anterior cervical ganglion. The ganglion gives off two or three filaments which subdivide to form the internal carotid plejnis (Plexus caroticus internus) around the artery of like name. The cavernous plexus (Plexus cavernosus) surrounds the artery within the cavernous sinus and communicates with that of the opposite side. The external carotid plexus (Plexus caroticus externus) is formed around the homonymous artery, and filaments from it go to the vessel and its branches and t
. The anatomy of the domestic animals . Veterinary anatomy. 830 NERVOUS SYSTEM OP THE HORSE branches derived from the anterior cervical ganglion. The ganglion gives off two or three filaments which subdivide to form the internal carotid plejnis (Plexus caroticus internus) around the artery of like name. The cavernous plexus (Plexus cavernosus) surrounds the artery within the cavernous sinus and communicates with that of the opposite side. The external carotid plexus (Plexus caroticus externus) is formed around the homonymous artery, and filaments from it go to the vessel and its branches and to the salivary glands. 2. The cervical part (Pars cervicalis s. sympathici) includes two ganglia and the trunk which connects them. The anterior or superior cervical ganglion (G. cervicale craniale) lies on the guttural pouch below the occipito-atlantal articulation (Fig. 562). It is reddish- gray in color, fusiform, and about an inch (ca. 2-3 cm.) in length. It is connected by rami communicantes with the last four cranial and first cervical nerves, sends branches to form the plexuses mentioned above, and contributes to the pharyngeal plexus. The cervical trunk of the sympathetic connects the anterior and posterior. Fig. 660.—Right Cervico-thoracic Ganguon and Related Structures of Horse. G, G', Ganglia; 5, sympathetic trunk; V, vagus; Ji, recurrent nerve; ., cardiac nerves, CXIII, , rami communicantes from eighth cervical and first thor- acic nerves; A'.^r., nervus transversarius; 7".b., brachio- cephalic trunk; dorso-cervical artery; , right brachial artery; , common carotid Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sisson, Septimus, 1865-1924. Philadelphia ; London : W. B. Saunders Company
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