Results 51 to 60 of about 2,930 (182)
Beni-Suef University Journal of Basic and Applied Sciences, 2023 Background Plant growth regulators are widely used in agriculture for increasing the growth and ripening of plants, but they endanger the aquatic ecosystem. The current study assessed the effect of sublethal exposure to RIPEX 48% EC concentrations (8 and
Hoda H. Abdel-Azeem +2 more
doaj +1 more source
Sensory innervation of the ovotestis in the snailHelix aspersa [PDF]
Journal of Experimental Biology, 2003 SUMMARYBecause oviposition in the land snail Helix aspersa is a metabolically expensive process coupled to a high fixed cost, one expects oviposition to occur only when the clutch size surpasses a minimum value at which the reproductive benefit exceeds the cost. We propose that neural innervation of the gonad allows H.
Tomasz, Antkowiak, Ronald, Chase
openaire +2 more sources
Reproductive cycle of Leptaxis caldeirarum, a locally endangered Azorean land snail [PDF]
, 2005 Copyright © 2005, Taylor & Francis.The land snail Leptaxis caldeirarum (Morelet and Drouet, 1857), a hermaphrodite Hygromiidae species, endemic from São Miguel Island (Azores), is geographically limited to a range of 31 km2, occupying an area of about 14
Medeiros, Jorge, Rodrigues, Armindo
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Reproductive biology of carpenter seabream (Argyrozona argyrozona) (Pisces: Sparidae) in a marine protected area [PDF]
, 2005 The carpenter seabream (Argyrozona argyrozona) is an endemic South African sparid that comprises an important part of the handline fishery. A three-year study (1998−2000) into its reproductive biology within the Tsitsikamma National Park revealed that ...
Brouwer, Stephen L., Griffiths, Marc. H.
core
Schistosomes and snails: A molecular encounter [PDF]
, 2014 Copyright © 2014 Knight, Arican-Goktas, Ittiprasert, Odoemelam, Miller and Bridger. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY).
Arican-Goktas, HD +5 more
core +3 more sources
European Medical Journal Reproductive Health, 2023 Background: Ovotesticular disorders of sex development (ODSD), previously known as true hermaphroditism, is a rare disorder of sexual differentiation that causes ambiguity in external genitalia and the presence of both ovarian and testicular elements in
Muhammad Tahir Khan +3 more
doaj +1 more source
Sex change of hatchery produced Amphiprion ocellaris: Influence of mating system removal on gonad maturation and nesting success [PDF]
, 2010 The influence of gonadal maturation and nesting success of the anemone fish Amphiprion ocellaris was analyzed through mating system removal. Four experiments viz., (i) Sex change of active male to female in the absence of active female, (ii) Juveniles ...
Madhu, K, Madhu, Rema, Venugopal, K M
core
Terrestrial molluscs of Pemba Island, Zanzibar, Tanzania, and its status as an "oceanic" island [PDF]
, 2010 Pemba is thought to have had a longer and/or stronger history of isolation than its better-known counterpart, Unguja. The extent to which the biota support this hypothesis of greater oceanicity have been debated.
Rowson, Ben +2 more
core +3 more sources
Ovotesticular differences of sex development: male or female? Case series
Italian Journal of Pediatrics, 2019 Background The choice of the sex of rearing in patients with ovotesticular differences of sex development (OT-DSD) is difficult. The final decision should be given by the patient himself or herself, but families’ opinion is not to neglect especially when
Maria-Grazia Scarpa +3 more
doaj +1 more source
Egyptian Journal of Biological Pest Control, 2020 The reproductive system of snails represents essential organ that affects snail population size. Therefore, the present research was directed to evaluate the effect of two biopesticides chitosan (Ch) and emamectin benzoate (EMB) LC50 on the reproductive ...
M. A. Kandil +3 more
doaj +1 more source