Elements of animal physiology, chiefly human . le Tur! inal Boue. -Branches of the Fif^hAcrve. lufei-ior TurhiuulBone. rifth Nerve ^ /,^P!^^^^^\\\\Vf?^^ ^ Cartilase of Xcsa. Palate. Fig. 73. Vertical Longitudinal Section of the Nasal Cavity. Show-ing Olfactory Lobe and distribution of the Olfactory Filaments, andthe Fifth (Trigeminal) Nerve on the Right wall of the Nose. of nerves. The former supjolies the bach of the tongue and palate, which is the chief region of taste \ the latter chiefly supplies the front of the tongue. 355. The Sense of Smell is exercised through theunciliated onucous (S
Elements of animal physiology, chiefly human . le Tur! inal Boue. -Branches of the Fif^hAcrve. lufei-ior TurhiuulBone. rifth Nerve ^ /,^P!^^^^^\\\\Vf?^^ ^ Cartilase of Xcsa. Palate. Fig. 73. Vertical Longitudinal Section of the Nasal Cavity. Show-ing Olfactory Lobe and distribution of the Olfactory Filaments, andthe Fifth (Trigeminal) Nerve on the Right wall of the Nose. of nerves. The former supjolies the bach of the tongue and palate, which is the chief region of taste \ the latter chiefly supplies the front of the tongue. 355. The Sense of Smell is exercised through theunciliated onucous (Schneiderian) membrane which linesthe upper parts of the nasal cavities, and which receivesits supply of nerve-filaments from the olfactory lobesand not from the fifth pair of nerves. It is excited by the contact of odoriferous particles, inall probability undergoing the movements involved inthe process of o^^(i^c:a<^0?^; since (1) odorous bodies areoxidizable; and (2) no sensation of smell can be excitedif oxygen be shut off from the THE SENSATION OP HEAHING. 159 356. The Nose is the triangular-shaped organ situatedin the middle of the face. Its roof is formed by thecribriform plate of the ethmoid bone of the skull, throughthe sieve-like apertures of which the olfactory filaments(false nerves) pass. It is bounded in front and laterallyby the oiasal bones and cartilages; its floor is formed bythe hard and soft palate. It is divided into two cavitiesby the nasal septum (which consists partly of bone, thevomer, and partly of cartilage). These cavities open outinto the air in front of the nose by means of the twonostrilsj and into the pharynx behind, by the two pos- Cribriform Plate ofEthmoid Bone. Superior TurbinatedBone. Middle Turbinated Inferior TurbinatedBone. Autrum Cavity in iiaxillary Bone. Molar Tooth.
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Keywords: ., bookce, bookdecade1870, booksubjectanatomy, booksubjectphysiology
