. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. OLFACTORY ORGANS. There are three folds developed on the wall of each nasal cavity in birds, an anterior and inferior concha vestibuli, a middle and a superior fold, the middle supported by the maxillo-turbinal, the superior by the naso-turbinal bones. The vestibular conch lacks olfactory epithelium at all times, while it disappears from the middle one after hatching, A. FIG. 199.—Olfactory region of hen in longitudinal and transverse section, after Gegen- baur. c, middle concha; ch, choana; i, inferior (anteri
. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. OLFACTORY ORGANS. There are three folds developed on the wall of each nasal cavity in birds, an anterior and inferior concha vestibuli, a middle and a superior fold, the middle supported by the maxillo-turbinal, the superior by the naso-turbinal bones. The vestibular conch lacks olfactory epithelium at all times, while it disappears from the middle one after hatching, A. FIG. 199.—Olfactory region of hen in longitudinal and transverse section, after Gegen- baur. c, middle concha; ch, choana; i, inferior (anterior) concha; o, connection of air cavity of head; p, septum of nose; s, superior concha. leaving the upper conch as the sole seat of smell in the adult, which corresponds with the limited sense of smell in these animals. Jacob- son's organ is never developed in the adult, though traces of it appear in the embryos. With the great increase of the sense of smell in the mammals the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kingsley, J. S. (John Sterling), 1854-1929. Philadelphia, P. Blakiston's son & co.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
