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The photoreceptors and visual pigments of the garter snake (Thamnophis sirtalis): a microspectrophotometric, scanning electron microscopic and immunocytochemical study
- A. Sillman, V. Govardovskii, P. Röhlich, J. Southard, E. Loew
- Biology, Medicine
- Journal of Comparative Physiology A
- 1 August 1997
Abstract Scanning electron microscopy, immunocytochemistry, and single cell microspectrophotometry were employed to characterize the photoreceptors and visual pigments in the retina of the garter… Expand
Retinal photoreceptors and visual pigments in Boa constrictor imperator.
The photoreceptors of Boa constrictor, a boid snake of the subfamily Boinae, were examined with scanning electron microscopy and microspectrophotometry. The retina of B. constrictor is duplex but… Expand
Studies on the mass receptor potential of the isolated frog retina. I. General properties of the response.
Abstract By means of fractional depth recording it was established that treatment of the excised frog retina with Ringer solutions containing sodium aspartate resulted in the suppression of the PII… Expand
Studies on the mass receptor potential of the isolated frog retina. II. On the basis of the ionic mechanism.
Abstract The receptor potential of the excised frog retina was isolated by treatment of the tissue with Ringer solutions containing sodium aspartate, and was recorded by means of a pair of external… Expand
Heavy metals affect rod, but not cone, photoreceptors.
Low concentrations of lead, mercury, or cadmium depress the amplitude of the rod receptor potential in the perfused bullfrog retina. Responses from the cones were not affected. The data implicate the… Expand
Barium suppresses slow PIII in perfused bullfrog retina
Under the appropriate conditions a large, slow, negative-going potential change can be recorded from the vertebrate retina in response to a light stimulus. This slow PHI, as it has come to be called,… Expand
The photoreceptors and visual pigments in the retina of the white sturgeon, Acipenser transmontanus
The photoreceptors in the retina of the white sturgeon, Acipenser transmontanus (Chondrostei), were studied by means of scanning electron microscopy, in situ microspectrophotometry, and… Expand
Histology and microspectrophotometry of the photoreceptors of a crocodilian, Alligator mississippiensis
The photoreceptors in the retina of Alligator mississippiensis were examined by means of in situ, single cell microspectrophotometry and scanning electron microscopy (SEM). The retina is… Expand
Age-related changes in the visual pigments of the white sturgeon (Acipenser transmontanus)
Using in situ microspectrophotometry, the spectral absorbance characteristics of the photoreceptors in the retinas of larval, juvenile, and adult white sturgeon (Acipenser transmontanus) were… Expand
Low levels of cadmium chloride damage the corneal endothelium
The effect of cadmium chloride on the integrity of the endothelium of isolated bullfrog (Rana catesbeiana) corneas was examined by spectrophotometric analysis of corneal uptake of the vital stain… Expand