Results 211 to 220 of about 3,416 (257)

Hermaphroditism in tardigrades

International Journal of Invertebrate Reproduction, 1979
Evidence is presented to show the existence of hermaphroditism in tardigrades, a phenomenon hitherto unknown for this phylum: specimens were obtained containing male and female germ cells in maturation in the same gonad. Hermaphroditic animals have been found in a few species of Isohypsibius; in many species of other genera and also of Isohypsibius ...
Roberto Bertolani
exaly   +2 more sources

The Hermaphrodite's Dilemma

Journal of Theoretical Biology, 1990
Given sexual conflict, mating encounters between simultaneous hermaphrodites will conform to a new, conditional, non-zero sum game of strategy, the Hermaphrodite's Dilemma; special cases of which include Prisoner's Dilemma and Game of Chicken. The model predicts that hermaphrodite mating systems will be based on reciprocation with cheating in a ...
openaire   +2 more sources

True Hermaphroditism

Scandinavian Journal of Urology and Nephrology, 1996
True hermaphroditism was found in a phenotypically normal boy admitted to the urology department with the diagnosis of right undescended testis. The tissue expected to be cryptorchid proved to constitute an ovary, uterus and salpinx. Normal left testicular tissue was found at biopsy. The patient's genotype was 46 XX.
openaire   +2 more sources

True hermaphrodite

Urology, 1998
E M, Pachter   +2 more
openaire   +2 more sources

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