Silver Impregnation of Whole Retinas

Ventura, J; Mathieu, Michel

doi:10.1001/archopht.1960.01840010530008

Cited by 7 publications

(2 citation statements)

References 3 publications

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“…These authors observed the centrifugal fibers in flat mounts of the retina to emerge from the optic disk and to form many bifurcations towards the retinal periphery. The existence of centrifugal nerve fibers in the human retina was also reported in studies by Matsuyama in 1967 [15] and by Mathieu in 1959 and1960 [16,17].…”

Section: Introductionsupporting

confidence: 67%

Electron microscopic demonstration of centrifugal nerve fibers in the human optic nerve

Welter

1979

Albrecht von Graefes Arch. Klin. Ophthalmol.

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Electron microscopic views of centrifugal nerve fibers in the optic nerve stump of a 56-year-old man are presented. These nerve fibers had survived for 16 days after removal of the corresponding eyeball and exhibited terminal swellings pointing in a distal direction and indicating axoplasmic flow towards the removed eye. The centrifugal nerves in this adult lack any evidence of attempted regeneration that has earlier been observed under similar conditions in the optic nerve stump of a child.

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Section: Introductionsupporting

confidence: 67%

Electron microscopic demonstration of centrifugal nerve fibers in the human optic nerve

Welter

1979

Albrecht von Graefes Arch. Klin. Ophthalmol.

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“…Branching axons in the inner plexiform layer of the retina have been observed in a wide variety of vertebrate species, though the origin of these fibers has not always been clear. Studies in lizard, chicken, dog, monkey, and human (Ramon y Cajal, 1893;Ventura & Mathieu, 1960;Honrubia & Elliott, 1968, 1970 have described branching axons that were thought to be efferent to the retina since they could be traced to the optic disk but did not appear to originate within the retina. Other studies in cat, dog, and calf (Marenghi, 1901), and dog and human (Gallego & Cruz, 1965), observed branching axons originating from cells with somas located in the ganglion cell layer.…”

Section: Introductionmentioning

confidence: 99%

Morphology of human retinal ganglion cells with intraretinal axon collaterals

Peterson

Dacey

1998

Vis Neurosci

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Ganglion cells with intraretinal axon collaterals have been described in monkey (Usai et al., 1991), cat (Dacey, 1985), and turtle (Gardiner & Dacey, 1988) retina. Using intracellular injection of horseradish peroxidase and Neurobiotin in in vitro whole-mount preparations of human retina, we filled over 1000 ganglion cells, 19 of which had intraretinal axon collaterals and wide-field, spiny dendritic trees stratifying in the inner half of the inner plexiform layer. The axons were smooth and thin (approximately 2 microm) and gave off thin (<1 microm), bouton-studded terminal collaterals that extended vertically to terminate in the outer half of the inner plexiform layer. Terminal collaterals were typically 3-300 microm in length, though sometimes as long as 700 microm, and were present in clusters, or as single branched or unbranched varicose processes with round or somewhat flattened lobular terminal boutons 1-2 microm in diameter. Some cells had a single axon whereas other cells had a primary axon that gave rise to 2-4 axon branches. Axons were located either in the optic fiber layer or just beneath it in the ganglion cell layer, or near the border of the ganglion cell layer and the inner plexiform layer. This study shows that in the human retina, intraretinal axon collaterals are associated with a morphologically distinct ganglion cell type. The synaptic connections and functional role of these cells are not yet known. Since distinct ganglion cell types with intraretinal axon collaterals have also been found in monkey, cat, and turtle, this cell type may be common to all vertebrate retinas.

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Retina and Optic Nerve

Klien¹

1961

Archives of Ophthalmology

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Silver Impregnation of Whole Retinas

Cited by 7 publications

References 3 publications

Electron microscopic demonstration of centrifugal nerve fibers in the human optic nerve

Electron microscopic demonstration of centrifugal nerve fibers in the human optic nerve

Morphology of human retinal ganglion cells with intraretinal axon collaterals

Retina and Optic Nerve

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