Contents

bgcolor=white>Chapter Summary

Olfaction: The Sense of Smell	297	Anatomy of the Eyeball	303
Anatomy of Olfactory Receptors	297	Physiology of Vision	306
Physiology of Olfaction	298	Hearing and Balance	311
Olfactory Pathway	298	Anatomy of the Ear	311
Gustation: The Sense of Taste	298	Sound	313
Tongue	298	Physiology of Hearing	314
Taste	299	Physiology of Equilibrium	314
Vision	301	316
Accessory Structures of the Eye	301

The special senses include smell, taste, vision, hearing, and equilibrium.

Unlike the sense of touch that gener­ally involves free nerve endings, special senses are dependent on specific receptor cells localized in the head region of the animal.

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