THE PHOTIC SENSITIVITY OF CIONA INTESTINALIS
1. Ciona possesses two means of responding to an increase in the intensity of illumination. One is by means of a local reaction; the other is by a retraction reflex of the body as a whole. 2. The "ocelli" are not photoreceptors. The photosensitive area is in the intersiphonal region conta...
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Format: | Online |
Language: | English |
Published: |
The Rockefeller University Press
1918
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Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2140297/ |