. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. A Fig. 147. A, Diagram of a firimitive sensory neurone. B, Typical vertebrate sensory neurone. The human olfactory neurones possess a peripheral cell body and resemble the type shown in A. Human taste neurones possess a centrally located cell body and resemble the type shown in B. After Cajar from Fulton.'"' are less numerous and are scattered ox'cr the front, upper surface. These usually contain taste buds. (3) Circumvallate papillae, which are seven to ten in number in man, are larger than the two previou
. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. A Fig. 147. A, Diagram of a firimitive sensory neurone. B, Typical vertebrate sensory neurone. The human olfactory neurones possess a peripheral cell body and resemble the type shown in A. Human taste neurones possess a centrally located cell body and resemble the type shown in B. After Cajar from Fulton.'"' are less numerous and are scattered ox'cr the front, upper surface. These usually contain taste buds. (3) Circumvallate papillae, which are seven to ten in number in man, are larger than the two previously mentioned, and lie toward the back of the upper surface. Each papilla is a flat mound sur- rounded by a groove forming a moat, both sides of which contain taste buds. (4) Foliate papillae, xestigial in man, which form vertical ridges at the edge of the back of the tongue. Each taste bud consists of a group of a dozen or more elongated cells, some of which have minute hairlike processes. The taste buds are embedded in the sides of the papillae, where they are sunk slightly below the surface, and the opening of the small cavity which is thereby formed is known as the gustatory pore. The hairlike processes of the sense cells project through the pore into the cavity between 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 Prosser, C. Ladd (Clifford Ladd), 1907-; Bishop, David W. Philadelphia, Saunders
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