Buckmaster's Elements of animal physiology / by John Angell.

  • Angell, John
Date:
1866
Catalogue details

Licence: Public Domain Mark

Credit: Buckmaster's Elements of animal physiology / by John Angell. Source: Wellcome Collection.

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    ties are rendered somewhat labyrinthine by the superior, middle, and inferior turbinated (twisted) bones; the interior surfaces are thus greatly increased, so that the cool odour-laden portions of the atmosphere are warmed up to a temperature approximating to that of a, b, c, d. Schneiderian membrane, lining the wall of the right nasal cavity ; also showing nerves of common sensation. e. Alas of right nostril. g. Upper lip. h. Palatal nerve. k. Olfactoiy lobe. L. Cribriform plate of ethmoid bone of skull. in. Frontal bone. n. Nasal cartilage. 0. Upper maxillary bone (right). p. Filaments of olfactory nerves. q. Nasal bone. z. Trifacial nerve. Fig. 8i.—Interior of the Nose. the body before they are brought into contact with the olfactory filaments. These cavities also com- municate with sinuses (cavities) in the frontal., malar, and sphenoid bones. Cold air blunts the sense of ■ smell. The common affection termed “ cold in the head ” also blunts the sense of smell by increasing the quantity of the mucous secretion, and temporarily thickening the mucous membrane. Considerable difference of opinion exists as to the immediate cause '{, of smell, some physiologists contending with much force that its immediate physical cause is the chemical