Archive image from page 753 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana0401todd Year: 1847 732 SOLIPEDA. which it is inserted, above the origin of the stylo-hyoideus. The other muscles of this region exhibit no peculiarities worthy of notice. The muscles of the tongue, of the palate, and of the larynx, are in most quadrupeds strictly comparable to those of the human species. Muscles of the Face. — These, from the con- formity of their general arrangement with what exists in man, are distinguishable by the same names as are employed in human an- at
Archive image from page 753 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana0401todd Year: 1847 732 SOLIPEDA. which it is inserted, above the origin of the stylo-hyoideus. The other muscles of this region exhibit no peculiarities worthy of notice. The muscles of the tongue, of the palate, and of the larynx, are in most quadrupeds strictly comparable to those of the human species. Muscles of the Face. — These, from the con- formity of their general arrangement with what exists in man, are distinguishable by the same names as are employed in human an- atomy. Fig. 504. Facial Muscles of the Horse. (After Sir CharlesBell. ) a, orbicularis palpebrarum ; b, d, cutaneous slips •which raise the outer and the inner commissures of the eyelids; c, depressor of the lower eyelid; e, zygomaticus ; f, g, levator anguli oris alaeque nasi; h, elevator of the upper lip; i, dilator iia- rium ; /;, nasal cartilage ; /, m, orbicularis oris ; n, masseter. The epicranius, or occipilo-frontalis, exhibits the usual origin from the posterior part of the cranium, whence, running forwards, it covers the skull with its tendinous aponeu- rosis, and, in front, spreads in muscular slips upon the forehead, some of which (fig. 504. /) extend downwards, to spread over those of the orbicularis palpebrarum. Situated upon the outer side of the orbit there is another descending slip of muscle (±.d), apparently derived from the lateral muscle of the cartilage of the ear which, by elevating the external canthus of the eye, contributes much to the expression of that organ. The orbicularis palpebrarum (fig. 504. a (i) arises, as in the human subject, from the com- missural ligament at the inner canthus of the eyelids, whence it winds round the orbit, its lower fibres receiving attachment from the os lachrymale. Internal to the last-named muscle are a few fibres, that represent the corntgator supcrcilii. The Levator anguli oris (fig. 504. f, g) is, lik
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