Abstract
BERKELEY1,2 has reported that the pandalid shrimps are protandric hermaphrodites. Until recently little work had been done to identify the intrinsic agents which are active in the sexual differentiation of these animals. During the male phase of Pandalus borealis3,4 an androgenic hormone is produced by a pair of epithelial organs on the distal end of the vasa deferentia. This hormone is responsible for the maintenance of the testis and the male secondary sex characteristics. These endocrine organs, the androgenic glands, disappear at a certain stage of the shrimp's life cycle and the animal is transformed into a functional female.
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HOFFMAN, D. Seasonal Eyestalk Inhibition on the Androgenic Glands of a Protandric Shrimp. Nature 218, 170–172 (1968). https://doi.org/10.1038/218170a0
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DOI: https://doi.org/10.1038/218170a0
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