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Switches, stability and reversals in the evolutionary history of sexual systems in fish
Nature Communications, 2022 Fish have a diversity of sexual systems. Pla et al. analyse the transitions in these systems across fish, supporting that simultaneous hermaphroditism cannot evolve directly from separate sexes but requires sequential hermaphroditism as an intermediate ...
Susanna Pla +3 more
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Frontiers in Endocrinology, 2021 Animal taxa show remarkable variability in sexual reproduction, where separate sexes, or gonochorism, is thought to have evolved from hermaphroditism for most cases.
Qing-Ping Xie +9 more
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BMC Women's Health, 2022 Background True hermaphroditism is a rare condition. It is defined as the presence of both testicular and ovarian tissues in the same individual. Sex cord tumour with annular tubules (SCTAT) is a rare stromal tumour of the sex cord that occurs mostly in ...
Suhua Shi +6 more
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The genetic basis of sex determination in grapes
Nature Communications, 2020 Grapevine is one of a few ancestrally dioecious crops that are reverted to hermaphroditism during domestication. Here, the authors identify candidate genes related to male- and female-sterility in grapes and describe the genetic process that led to ...
Mélanie Massonnet +12 more
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On the Nature of Organs and Organ Systems – A Chapter in the History and Philosophy of Biology
Frontiers in Ecology and Evolution, 2021 Contrasting definitions of organs based either on function or on strictly morphological criteria are the legacy of a tradition starting with Aristotle.
Alessandro Minelli
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Sex reversal in the dageraad Chrysoblephus cristiceps (Pisces: Sparidae)
Koedoe: African Protected Area Conservation and Science, 1976 This paper reports protogynous hermaphroditism in the dageraad Chrysoblephus cristiceps. Mass-length relationships indicate growth changes in male and female fish.
G. A. Robinson
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Terrestrial gastropods - how do they reproduce? [PDF]
Invertebrate Survival Journal, 2017 Molluscs are the most diverse group in respect of sexual systems and strategies. They can be dioecious with separate sexes or hermaphroditic. Within hermaphroditism, it is possible to distinguish a number of modifications of this type of reproduction ...
K S Zajac, P E Kramarz
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Agriculture, 2022 Prospero Alpini was an Italian physician, botanist and scientist. Born in Marostica, in the Republic of Venice, in his youth he served in the Milanese army, but in 1574 he decided to study medicine at the University of Padova, where he graduated in 1578.
Alessandro Vannozzi +3 more
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Acta Societatis Botanicorum Poloniae, 2015 In trioecious plant populations, the role of hermaphroditism is often uncertain. We investigated the advantages of hermaphroditism in the dioecious shrub Salix myrsinifolia. The sex ratio of 30 S.
Paweł Mirski, Emilia Brzosko
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The restrained inguinal hernia at children with violation a floor form
Бюллетень сибирской медицины, 2018 The most common surgical pathology of childhood, which is necessary for doctors of all specialties, is the inguinal hernia. In the treatment of this pathology, both open procedure and laparoscopic surgery are used. Infringement of a hernia, manifested by
M. A. Axel’rov +4 more
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