. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 232 PHYSIOLOGY OF THE DOMESTIC ANIMALS. the food and draw it within the mouth. The extrinsic muscles are connected with the hyoid bone and chin, and render possible the pro- trusion and retraction of the tongue ; the intrinsic muscles permit of. Fig. 81.—After Gamgee and Chauveatj. 1 and 2, auricular muscles ; 3, scutiform cartilage : 4, external scuto-auricular muscle ; A A, auric- ular branches of first pair of cervical nerves ;BB, anterior auricular nerves ; C, terminal fibres of the supraorbital nerve;

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. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 232 PHYSIOLOGY OF THE DOMESTIC ANIMALS. the food and draw it within the mouth. The extrinsic muscles are connected with the hyoid bone and chin, and render possible the pro- trusion and retraction of the tongue ; the intrinsic muscles permit of. Fig. 81.—After Gamgee and Chauveatj. 1 and 2, auricular muscles ; 3, scutiform cartilage : 4, external scuto-auricular muscle ; A A, auric- ular branches of first pair of cervical nerves ;BB, anterior auricular nerves ; C, terminal fibres of the supraorbital nerve; D. superficial branch of the lachrymal nerve ; Y, tendon of muscle to elevate upper lip; Z, naso-transversalis muscle. the change of shape of the tongue required in mastication and deglu- tition. The tongue is, further, covered with a mucous membrane, on the dorsal surface of which are numerous more or less horny papillae). 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 Smith, Robert Meade, 1854-. Chicago, A. Eger

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