. Human physiology (Volume 1) . ior; between which are situate the tonsil glands oramygdalce, which are not really glandular, but composed of acongeries of mucous The pharynx and oesophagus constitute a muscular canal,which forms the medium of communica-tion between the mouth and stomach, andconveys the food from the former ofthese cavities to the latter. The pharynx has the shape of an irre-gular funnel; the larger opening of thefunnel looking towards the mouth andnose, whilst the under and smaller endterminates in the oesophagus. Into itsupper part, the nasal fossae, Eustachiant
. Human physiology (Volume 1) . ior; between which are situate the tonsil glands oramygdalce, which are not really glandular, but composed of acongeries of mucous The pharynx and oesophagus constitute a muscular canal,which forms the medium of communica-tion between the mouth and stomach, andconveys the food from the former ofthese cavities to the latter. The pharynx has the shape of an irre-gular funnel; the larger opening of thefunnel looking towards the mouth andnose, whilst the under and smaller endterminates in the oesophagus. Into itsupper part, the nasal fossae, Eustachiantubes, mouth, larynx, and oesophagusopen. It is inservient to useful purposesin the production of voice, in respiration,and audition, as well as in digestion ; andextends from the basilary process of theoccipital bone, to which it is attached, asfar as the middle part of the neck. Itstransverse dimensions are determined bythe os hyoides, the larynx, and the ptery-go-maxillary apparatus, to which it isIt is lined by a mucous mem-. Pharynx seen from A section carried transverselythrough base of skull 2,2. Walls attachedof pharynx drawn to each side. , , 3,3. Posterior nares, separated i>y brane, less red than that which lines thecSfanTube of £?&*£ Jg£ moulh, but more so than that of the deso-late! S8ffiftJ!Kffi&P^^a?* of the restof the diSestivesiiissecn situated in the niche be- tube ; and it is remarkable for the deve- tween the two pillars. 8. Hoot of l ,. e •, ? • , ~ tongue, partly concealed by the nvu- lopment Ot Its VeillS, Which form a Very openfn^gouL8 ^tSS distil,ci, network. Around this is theof larynx. i2. Opening into the muscular laver, the circular fibres of oesophagus. 13. External surface of i • , c~ ,. ., , . , oesophagus. H. Trachea.—(fritem.} wnicn. are otteti divided into three mus-cles, — the superior, middle, and inferiorconstrictors. The longitudinal fibres form part of the stylo-pha-ryngei and palato-pharyngei muscles. The pharynx
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectphysiology, bookyear1
