THE 
VETERINARIAN 
vol. v. JANUARY, 1832. No - 49 * 
Communication# anO Ca#c#* 
Ars veterinaria post medicinam secunda est.— Vegetius. 
MR. YOUATT’S VETERINARY LECTURES, 
DELIVERED AT THE UNIVERSITY OF LONDON. 
LECTURE III. 
The Nasal Cavity in the Horsey the Ox, the Sheep , the Swine , 
and the Dog. 
OF the other bones, Gentlemen, which form the parietes of the 
nasal cavity, my description will be brief. Few points of prac¬ 
tical importance can be connected with them, and I have too 
much to do in the present course to be delayed by that which 
does not immediately bear upon the function of parts, or the 
nature of disease. 
The Superior Maxillary.—In the horse this bone forms by far 
the greater part of the lateral portion of the external parietes of 
the cavity of the nose, and the central portion of the floor of it; 
in fact, it constitutes more than three-fourths of the bony wall of 
the nasal cavity. The superior maxillary will be best described, 
when we consider the digestive system to which, as containing 
the teeth—the agents of mastication—it most properly belongs. 
I will now content myself with pointing out to you, on its internal 
surface, the attachment of the inferior portion of the superior 
turbinated bone, along the suture connecting the superior maxil¬ 
lary with the nasal;—the curious depression, or gutter, hollowed 
out in it for the middle meatus of the nose, or the channel through 
which the secretions, natural or morbid, from the nasal cavity 
and the maxillary sinuses, are discharged;—the prominent, but 
irregularly-formed ridge for the attachment of the inferior turbi¬ 
nated bonethe more spacious hollow beneath, constituting the 
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