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Medical Definition of Retino tectal connection
1. A problem that has exercised developmental biologists is the way in which nerve fibres from the developing retina are mapped on to the tectum of the brain. There seems to be a good positioning system in operation and a variety of mechanisms probably operate, including control of the fasciculation of fibres in the optic nerve and some specific recognition of the correct target area by the nerve growth cone. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)