The accessory optic system in the frog, Rana pipiens: An electron microscopic study of the retinal afferents utilizing the anterograde tracer biocytin

The retinal afferents to the basal optic nucleus in the frog, Rana Pipiens, were labeled anterogradely with biocytin and subsequently studied at the electron microscopic level. Labeled synaptic terminals in the nucleus varied in size from 0.5 μm to 2.0 μm and made symmetric synaptic contacts with la...

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Bibliographic Details
Published in:Brain research bulletin 1996, Vol.39 (2), p.83-87
Main Authors: Helm, Gregory A., diPierro, Charles G., Palmer, Patricia E., Simmons, Nathan E., Ebbesson, Sven O.E.
Format: Article
Language:English
Subjects:
Animals
Axons - physiology
Axons - ultrastructure
Basal optic nucleus
Biocytin
Biological and medical sciences
Eye and associated structures. Visual pathways and centers. Vision
Fundamental and applied biological sciences. Psychology
Histocytochemistry
Lysine - analogs & derivatives
Microscopy, Electron
Neurons, Afferent - physiology
Neurons, Afferent - ultrastructure
Presynaptic Terminals - physiology
Presynaptic Terminals - ultrastructure
Rana Pipiens
Receptors, Neurotransmitter - physiology
Receptors, Neurotransmitter - ultrastructure
Retina
Retina - cytology
Retina - physiology
Retina - ultrastructure
Vertebrates: nervous system and sense organs
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Summary:The retinal afferents to the basal optic nucleus in the frog, Rana Pipiens, were labeled anterogradely with biocytin and subsequently studied at the electron microscopic level. Labeled synaptic terminals in the nucleus varied in size from 0.5 μm to 2.0 μm and made symmetric synaptic contacts with large and small dendrites, although very rare axospinous and axosomatic contacts were also demonstrated.
ISSN:0361-9230
1873-2747
DOI:10.1016/0361-9230(95)02054-3