Bibliography Record
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Piggins, David; Muntz, W. R. A.; Best, Robin Christopher
(detail)
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1983 |
Physical and morphological aspects of the eye of the manatee Trichechus inunguis Natterer 1883: (Sirenia: mammalia [sic]).
Mar. Behav. Physiol. 9(2): 111-129. 3 tabs. 3 figs.
–Examination of gross ocular anatomy, retinal histology, visual pigment, ocular refraction, and visual behavior in 5 animals showed a primarily rod retina, high receptor:ganglion cell ratio, low refractive error (hyperopia) under water, pigment based on vitamin A1, a difference spectrum of lambda max at 505 nm, a retina suited to low light levels, moderate visual acuity at best, motion perception, and a low degree of binocular vision. These results are compared with previous studies of T. manatus and Dugong.
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Related Index Records (8)
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Behavior, Investigative, and Sense Perception
(SEE ALSO: Sense Organs; Sound Production)
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1983 |
Piggins et al. (TI; vision; 121-127.) |
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Biochemistry
(SEE ALSO: Digestive System; Endocrinology; Milk; Phylogeny and Affinities)
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1983 |
Piggins et al. (TI; visual pigment; 116, 118-119, 123.) |
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Captivity, Sirenians in
(SEE ALSO: Hunting and Capture; Weed Control)
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1983 |
Piggins et al. (TI; Manaus; eyes & vision; 113-129.) |
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Dugong dugon (Müller, 1776) Palmer, 1895
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1983 |
Piggins et al. (eyes & vision, comp. w/ TI; 112, 121-126.) |
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Histology
(SEE ALSO: Skeleton; other organ systems)
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1983 |
Piggins et al. (TI; retina; 116-117, 123.) |
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Sense Organs
(SEE ALSO: Behavior, Investigative, and Sense Perception; Brain and Nervous System; Digestive System; Skeleton; Sound Production)
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1983 |
Piggins et al. (TI; eye morphology & vision; 111-129.) |
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Trichechus inunguis (Natterer in von Pelzeln, 1883) Thomas and Lydekker, 1897
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1983 |
Piggins et al. (eye & vision; 111-129.) |
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Trichechus manatus latirostris (Harlan, 1824) Hatt, 1934
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1983 |
Piggins et al. (eyes & vision, comp. w/ TI; 112, 122-126.) |
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