. Diseases of the nose and throat . section. Side-view of nose, pharynx, and larynx ofchild, aged 3 years. 1. Body of sphenoid. 2, Ethmoid cells and superiormeatus. 3, Middle turbinated bone. 4, Middle meatus. 5, Inferior tur-binated bone. 6. Vestibule of the nose. 7, Superior maxillary bone. 8,Soft palate. 9, Tongue. 10, Naso-pharynx. 11, Epiglottis. 12, Larynx.(From Primroses Anatomical Museum, University of Toronto.) ANATOMY OP THE PHARYNX. 189 The pharynx is composed of three coats: a mucous coat, a fibrouscoat, and a muscular layer beneath. The muscular coat consists ofthe superior, middl
. Diseases of the nose and throat . section. Side-view of nose, pharynx, and larynx ofchild, aged 3 years. 1. Body of sphenoid. 2, Ethmoid cells and superiormeatus. 3, Middle turbinated bone. 4, Middle meatus. 5, Inferior tur-binated bone. 6. Vestibule of the nose. 7, Superior maxillary bone. 8,Soft palate. 9, Tongue. 10, Naso-pharynx. 11, Epiglottis. 12, Larynx.(From Primroses Anatomical Museum, University of Toronto.) ANATOMY OP THE PHARYNX. 189 The pharynx is composed of three coats: a mucous coat, a fibrouscoat, and a muscular layer beneath. The muscular coat consists ofthe superior, middle, and inferior constrictors; the levatores palati,and the tensores palati, together with the stylo-pharyngei and palato-pharyngei and palato-glossi muscles, a fuller account of which willbe found in the standard works on anatomy (Fig. 72). The fibrous coat is situated between the muscular and mucouslayers; and is termed the pharyngeal aponeurosis. It is thick above. Cephalo-or Naso- pharynx. { Hyo- orOro- pharynx. Fig. 72.—The muscles of the soft palate and pharynx: the pharynxlaid open from behind (modified from Gray). 1, 1, Levatores palati, theleft being cut short near to its origin. 2, 2, Tensores palati, the left show-ing its reflected tendon and relation to the hamular process (a). 3, (anterior pillars of the fauces). 4, 4, Palato-pharyngei (pos-terior pillars of the fauces). 5, 5, Tonsils. 6, Azygos uvulae. 7, , 8, Eustachian tubes. 9, 9, Inferior constrictors (laryngo-pharyngei).10, 10, Middle constrictors (hyo- or oro- pharyngei). 11, 11, Superiorconstrictors (cephalo- or naso- pharyngei). 12, 12, Epiglottis and larynxnot laid open. (After Lennox Browne). 190 DISEASES OF THE PHARYNX. Here the muscular fibres are absent and the fibrous coat is attachedfirmly to the basilar process of the occipital and the petrous portionof the temporal bone. As it descends, it becomes gradually lost inthe true muscular coat beneath it. The mu
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