The retinotectal projection of quarter eyes in Xenopus laevis.

Abstract:

:Following extirpation of three quarters of the eye anlage of Xenopus laevis in stage 33/34, the remaining quadrants developed into small eyes of normal shape. Irrespective of the different portions of the eye anlage the quarter eyes originated from, the retinotectal projection was always confined to the rostrolateral part of the tectum, forming an orderly map, and its dimensions corresponded to the size of the contralateral eye. Therefore, it was suggested that during development both size and location of the projection are independent of the existence of tectal markers. Instead, they are determined by the number of ingrowing optic fibers and the direction of their growth from the rostral origin.

journal_name

Brain Res

journal_title

Brain research

authors

Degen N,Brändle K

doi

10.1016/0165-3806(86)90089-1

subject

Has Abstract

pub_date

1986-09-01 00:00:00

pages

141-3

issue

1

eissn

0006-8993

issn

1872-6240

journal_volume

394

pub_type

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