Regeneration of the optic tectum in larval stages of Bufo regularis Reuss after partial and total excision.
The right optic tectum of four larval stages of Bufo regularis was subjected to partial and total excision to determine the regenerative capacity of the optic tectum. Intense regenerative capacity can be observed at stage 50; the regenerated part grows to a considerable size and its structure is comparable to that of the intact part. This regenerative capacity gradually diminishes and from stage 55 onwards the decrease is pronounced. At stage 57 regenerative capacity is severly reduced and the regenerated part, if present, always has an anomalous structure.
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D000818:Animals; D002025:Bufonidae / Q000502:physiology*; D007814:Larva / Q000502:physiology; D009416:Nerve Regeneration / Q000502:physiology*; D013477:Superior Colliculi / Q000502:physiology* / Q000601:surgery