Page 368 - Anatomy and Physiology of Farm Animals, 8th Edition
P. 368
The Respiratory System / 353
sinuses within the bones of the same name the frontal sinus, the cornual diverticu-
lum, extends well into the bony core of the
(Fig. 19‐4). In horses, most upper cheek
VetBooks.ir teeth project into the maxillary sinus, which horn (see Fig. 14‐7). Dehorning of animals
older than 3 or 4 months of age usually
may become infected by diseased teeth (see
Fig. 20‐3). The frontal sinus is especially exposes the interior of the frontal sinus and
capacious. In horned cattle, an extension of predisposes it to infection.
(A)
(B)
Figure 19-4. Paranasal sinuses of the ox demonstrated by sculpting of bones. (A) Frontal sinus. (B)
Maxillary sinus.
