. A treatise on anatomy, physiology, and hygiene : designed for colleges, academies, and families. oid and 876. Where is the sense of smell located ? 877—884. Give the anatomyof the organs of smell. 877. Name the parts that enter into the structureof the nose ? 878. What bones form the framework of the nose ?879. What is the use of the cartilages ? 880. What relation has themucous membrane with other membranes of the nose ? 881. Describethe nasal cavities. 33* 390 ANATOMY, PHYSIOLOGY, AND HYGIENE. ethmoid bones ; inferiorly, by the hard palate. In the middleline they are separated from each ot
. A treatise on anatomy, physiology, and hygiene : designed for colleges, academies, and families. oid and 876. Where is the sense of smell located ? 877—884. Give the anatomyof the organs of smell. 877. Name the parts that enter into the structureof the nose ? 878. What bones form the framework of the nose ?879. What is the use of the cartilages ? 880. What relation has themucous membrane with other membranes of the nose ? 881. Describethe nasal cavities. 33* 390 ANATOMY, PHYSIOLOGY, AND HYGIENE. ethmoid bones ; inferiorly, by the hard palate. In the middleline they are separated from each other by a bony and fibro-cartilaginous septum ; upon the outer wall of each fossa, inthe dried skull, are three projecting processes, termed spongybones. In the fresh fossa, these are covered by a mucousmembrane. 882. The space that intervenes between the superior andmiddle spongy bone, is called the superior me-atus, or chan-nel ; the space between the middle and inferior bone, is themiddle meatus; and that between the inferior bone and thefloor of the fossa, is the inferior meatus. Kg, Fig. 135. A vertical section of the middle part of the nasal cavities. 7, Themiddle spongy bones. 8, The superior part of the nasal cavities. 10, The inferiorspongy bones. 11, The vomer. 12, The upper jaw. 13. The middle channel of thenose. 14, The lower channel of the nose. 17, The palatine process of the upper jaw-bone. 18, The roof of the mouth covered by mucous membrane. 19, A section ofthis membrane. 883. The meatuses are passages that extend backward,into which are several openings. They are lined by a mucousmembrane, called the pi-tui-ta-ry, or schneiderian, from 882. What terms are applied to the spaces between these processes ?What does fig. 135 represent ? 883. Define the meatuses. By what arethey lined ? PHYSIOLOGY OF THE ORGANS OF SMELL. 391 Schneider, who first showed that the secretion of the nasalfossa? proceeded from the mucous membrane, and not fromthe brain. 884. Upon t
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