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MUSCLES OF THE HEAD AND FACE (see fig...

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Originally appearing in Volume V19, Page 52 of the 1911 Encyclopedia Britannica.
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MUSCLES OF THE HEAD AND FACE (see fig. 2).-The scalp is moved by a large flat muscle called the occipito-frontalis, which has two muscular bellies, the occipitalis and frontalis, and an intervening epicranial aponeurosis; this muscle moves the scalp and causes thethe nose has several muscles, the actions of which are indicated by their names; they are the compressor, two dilatores and the depressor alae nasi, while the levator labii superioris et alae nasi sometimes goes to the nose. Raising the upper lip, in addition to the last named, are the levator labii superioris proprius and the levator anguli oris, while the zygomaticus major draws the angle of the mouth outward. The lower lip is depressed by the depressor labii inferioris and depressor anguli oris, while the orbicularis oris acts as a sphincter to the mouth. Temporal branch of buccal nerve Temporal branches of inferior maxillary nerve Auriculo-temporal nerve Superficial temporal artery External carotid artery Internal lateral ligament Posterior auricular artery Lingual nerve Mylo-hyoid nerve Parotid gland
End of Article: MUSCLES OF THE HEAD AND FACE (see fig. 2)
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