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Curr Eye Res. 1995 Apr;14(4):251-4.

Mechanisms in retinal vasculogenesis: an analysis of the spatial branching site correlation.

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Department of Ophthalmology, University of Innsbruck, Austria.


Starting from fractal dimension calculations of retinal vessel patterns, different growth models and related mechanisms have been suggested to simulate retinal vasculogenesis. A comprehensive view of this topic does not exist. In order to elucidate this question the spatial correlation of the vessel branching sites of the embryonic vessel pattern has been studied. During development of the retinal vasculature within the nerve fiber layer a modification of the branching characteristics can be observed. This result supports theories which suggest a close relation between the vessel propagation and the structure and surface characteristics of the invading vascular cells and the retinal tissue. Arterio-venous differentiation, however, may be dominated by diffusion processes.

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