Buscar
Mostrando ítems 11-20 de 4496
Action of the Metalloproteinases in Gonadal Remodeling during Sex Reversal in the Sequential Hermaphroditism of the Teleostei Fish Synbranchus marmoratus (Synbranchiformes: Synbranchidae)
(Mdpi, 2018-05-01)
Teleostei present great plasticity regarding sex change. During sex reversal, the whole gonad including the germinal epithelium undergoes significant changes, remodeling, and neoformation. However, there is no information ...
Morphometric and gonad maturity of the spider crab Libinia ferreirae Brito Capello, 1871 (Decapoda: Majoidea: Epialtidae) on the south-eastern Brazilian coast
(Cambridge Univ Press, 2017-03-01)
Sexual maturity of the spider crab Libinia ferreirae was assessed for each sex, based on body dimensions and observations of gonad condition. A total of 346 crabs were analysed, of which 68% were females. Immature and adult ...
Validación de la escala y estimación de la talla de madurez gonadal en Paralonchurus peruanus “suco”, región La Libertad, 2017.
(Universidad Nacional de Trujillo, 2018)
Se validó la escala y se determinó la talla de madurez gonadal de Paralonchurus peruanus “suco” en la Región La Libertad,2017. Se analizaron un total de 2676 individuos de suco. Las muestras de tejido gonadal fueron ...
Validación de la escala y estimación de la talla de madurez gonadal en Paralonchurus peruanus “suco”, región La Libertad, 2017.
(Universidad Nacional de Trujillo, 2018)
Se validó la escala y se determinó la talla de madurez gonadal de Paralonchurus peruanus “suco” en la Región La Libertad,2017. Se analizaron un total de 2676 individuos de suco. Las muestras de tejido gonadal fueron ...
Morphometry and histology of gonads from 13 children with dysgenetic male pseudohermaphroditism
(Coll Amer Pathologists, 2001-05-01)
Background.-Dysgenetic male pseudohermaphroditism (DMP) is a sexual differentiation disorder characterized by bilateral dysgenetic testes, persistent mullerian structures, and cryptorchidism in individuals with a 46,XY ...
Spermatogenesis and gonadal cycle in male Tamoya haplonema and Chiropsalmus quadrumanus (Cnidaria, Cubozoa)
(2019-03-01)
Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques ...