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Biology of Reproduction, Vol 6, 234-237, Copyright © 1972 by Society for the Study of Reproduction
1 Department of Zoology, Manasa Gangotri, University of Mysore, Mysore-6, India In the frog, the coelomic cilia propel ovulated ova to the ostia of the oviducts. By removing alternate oviducts and/or ovaries and inducing them to spawn, an attempt was
made to determine the occurrence of bilateral specificity in these ciliary tracts. Other suitable experimental groups, with both oviducts intact; with both ovaries and only left oviduct intact; with both oviducts and only right ovary intact and only left oviduct and left
ovary intact were used in these studies. The spawning reaction indicates that the eggs of one
half of the peritoneal cavity do not reach the ostium of the oviduct of the opposite side.
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