File:Anatomy, descriptive and surgical (electronic resource) (1860) (14784612233).jpg

Identifier: b20386424 (find matches)
Title: Anatomy, descriptive and surgical (electronic resource)
Year: 1860 (1860s)
Authors: Gray, Henry, 1825-1861 Carter, H. V., ill Westmacott, John Guise, Dr, ill
Subjects: Anatomy
Publisher: London : J.W. Parker
Contributing Library: Wellcome Library
Digitizing Sponsor: Wellcome Library

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heir ascent.As soon as the morsel is received in the pharynx, the elevator muscles relax, thebag descends, and the Constrictors contract upon the morsel, and convey it graduallydownwards into the oesophagus. The pharynx also exerts an important influencein the modulation of the voice, especially in the production of the higher tones. 6. Palatal Region. Levator Palati. Azygos Uvulae. Tensor Palati. Palato-glossus.Palato-pharyngeus. Dissection (fig. 157). Lay open the pharynx from behind, by a vertical incision extendingfrom its upper to its lower part, and partially divide the occipital attachment by a trans-verse incision on each side of the vertical one; the posterior surface of the soft palate isthen exposed. Having fixed the uvula so as to make it tense, the mucous membrane andglands should be carefully removed from the posterior surface of the soft palate, and themuscles of this part are at once exposed. 157.—Muscles of the Soft Palate. The Pharynx being laid open from behind. \
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The Levator Palati is a long, thick, rounded muscle, placed on the outer sideof the posterior aperture of the nares. It arises from the under surface of the PALATAL REGION. 233 apex of the petrous portion of the temporal bone, and from the adjoining cartila-ginous portion of the Eustachian tube; after passing into the pharynx, abovethe upper concave margin of the Superior constrictor, it descends obliquely down-wards and inwards, its fibres spreading out in the posterior surface of the softpalate as far. as the middle line, where they blend with those of the oppositeside. Relations. Externally, with the Tensor palati and Superior constrictor. Inter-nally, it is lined by the mucous membrane of the pharynx. Posteriorly, with themucous lining of the soft palate. This muscle must be removed and the pterygoidattachment of the Superior constrictor dissected away, in order to expose the nextmuscle. The Circumflexus or Tensor Palati is a broad, thin, riband-like muscle, placedon the outer sid

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