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0-8493-1123-3/03/$0.00+$1.50
© 2003 by CRC Press LLC
Sensory Biology of Sea
Turtles
Soraya Moein Bartol and John A. Musick
CONTENTS
3.1 Introduction ...................................................................................................80
3.2 Vision ............................................................................................................ 80
3.2.1 Morphology and Anatomy of the Eye ..............................................80
3.2.1.1 Main Structures of the Eye ...............................................80
3.2.1.2 Cells of the Retina .............................................................80
3.2.2 Sensitivity to Color ...........................................................................82
3.2.2.1 Photopigments and Oil Droplets ....................................... 82
3.2.2.2 Electrophysiology ..............................................................82
3.2.2.3 Behavior .............................................................................84
3.2.3 Visual Acuity .....................................................................................84
3.2.3.1 Topographical Organization of the Retina ........................84
3.2.3.2 Electrophysiology ..............................................................87
3.2.3.3 Behavior .............................................................................87
3.2.4 Visual Behavior on Land ..................................................................87
3.2.5 Concluding Remarks .........................................................................90
3.3 Hearing ..........................................................................................................90
3.3.1 Morphology and Anatomy of the Ear ..............................................90
3.3.1.1 Main Structures of the Middle and Inner Ear ..................90
3.3.1.2 Water Conduction vs. Bone Conduction Hearing ............92
3.3.2 Electrophysiology .............................................................................92
3.3.3 Behavior ............................................................................................94
3.3.4 Concluding Remarks .........................................................................94
3.4 Chemoreception ............................................................................................95
3.4.1 Anatomy of the Nasal Structures .....................................................95
3.4.2 Behavior ............................................................................................96
3.4.2.1 General Behavioral Observations ......................................96
3.4.2.2 Odor Discrimination ..........................................................96
3.4.3 Chemical Imprinting Hypothesis ......................................................98
3.4.4 Concluding Remarks .........................................................................99
References ..............................................................................................................99
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