Abstract
Retinal blood flow to the tapetal and pigmented areas of the cat fundus has been measured by high speed cine fluorescein angiography. The inflow per unit area was higher over the tapetum, but varied in different locations, reaching statistical significance in the superotemporal and temporal locations, where high ganglion cell densities are known to exist. Post mortem studies of the distribution of capillary densities show a correspondence with the known ganglion cell distribution, which provides a morphological basis for suggesting that the differences of inflow are related to the metabolic demands of the horizontal visual streak area, rather than the presence of the tapetum.
Published Version
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