G A Engbretson
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Explore the profile of G A Engbretson including associated specialties, affiliations and a list of published articles.
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18
Citations
137
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Recent Articles
1.
Umino Y, Everhart D, Solessio E, Cusato K, Pan J, Nguyen T, et al.
Proc Natl Acad Sci U S A
. 2006 Dec;
103(51):19541-5.
PMID: 17159157
The retina is among the most metabolically active tissues in the body, requiring a constant supply of blood glucose to sustain function. We assessed the impact of low blood glucose...
2.
Solessio E, Engbretson G
Vis Neurosci
. 1999 Dec;
16(5):895-907.
PMID: 10580725
Local electroretinograms (ERGs) were recorded in the parietal eye of Xantusia vigilis. The responses to monochromatic light under dark- and light-adapted conditions were studied. We found that two antagonistic chromatic...
3.
Ahmed J, Engbretson G
Vision Res
. 1993 Dec;
33(18):2637-43.
PMID: 8296459
The photoreceptors and pigment epithelia of vertebrate retinas rhythmically synthesize and degrade photosensitive membrane, but the origin of the signal to shed the outer segment tips remains unknown. The parietal...
4.
Solessio E, Engbretson G
Nature
. 1993 Jul;
364(6436):442-5.
PMID: 8332214
Photoreceptors are the first in the chain of neurons that process visual information. In lateral eyes of vertebrates, light hyperpolarizes rod and cone photoreceptors that synapse onto bipolar and horizontal...
5.
Engbretson G, Linser P
J Comp Neurol
. 1991 Dec;
314(4):799-806.
PMID: 1687744
The parietal eye of lizards is a relatively simple yet highly structured visual organ. Cone-like photoreceptors synapse directly onto ganglion cells that project to the brain. Golgi staining confirmed the...
6.
Engbretson G, Anderson K
Vis Neurosci
. 1990 Oct;
5(4):395-404.
PMID: 2265152
The cellular connectivity of the lacertilian parietal eye is not well understood. Because the intercellular connections establish the foundation for information processing, we have investigated cellular connectivity of one cell...
7.
Engbretson G, Anderson K, Wu J
J Comp Neurol
. 1988 Dec;
278(3):461-71.
PMID: 3216053
The retina of the desert night lizard, Xantusia vigilis, was examined for immunoreactivity to antibodies against gamma-aminobutyric acid and L-glutamate decarboxylase. At the electron microscopic level it was found that...
8.
Engbretson G, Battelle B
J Comp Neurol
. 1987 Mar;
257(1):140-7.
PMID: 3571518
The objective of this paper is to report the presence and localization of serotonin and dopamine in the retina of the lizard Uta stansburiana. High performance liquid chromatography and electrochemical...
9.
Engbretson G, Battelle B
Invest Ophthalmol Vis Sci
. 1985 May;
26(5):670-8.
PMID: 2860081
The retina of the parietal eye of lizards is a simple vertebrate retina that may be useful in studies of basic principles of information processing in visual systems. The chemical...
10.
Chamberlain S, Engbretson G
J Comp Neurol
. 1982 Jul;
208(3):304-15.
PMID: 6181106
Substance P-like immunoreactivity was examined in the Limulus lateral eye and photocerebrum by the unlabeled antibody peroxidase-antiperoxidase method. Small-diameter immunoreactive fibers innervate the corneal epidermis of the lateral eye and...