Results 31 to 40 of about 188,914 (304)

El sistema reproductor femenino de Zearaja chilensis (Guichenot, 1848) (Chondrichthyes, Rajidae): Gametogénesis y validación microscópica de los criterios de madurez [PDF]

open access: yes, 2015
Los condrictios son extremadamente susceptibles a la explotación pesquera debido, entre otras cosas, a sus adaptaciones reproductivas. Los conocimientos básicos de sus parámetros reproductivos son esenciales, ya sea desde el punto de vista ecológico como
Di Giacomo, Edgardo Ernesto   +2 more
core   +1 more source

Influence of sexual maturation status on the relationship between body adiposity indicators and age: a cross-sectional study

open access: yesBMC Research Notes, 2019
Objectives To determine the influence of sexual maturation status on adiposity indicators of children and adolescents. Results 2412 individuals participated, 1285 (47.4%) males and 1408 (52.6%) females.
Livia Akemi Ramos Takahashi   +4 more
doaj   +1 more source

Function and Evolution of Nuclear Receptors in Environmental-Dependent Postembryonic Development

open access: yesFrontiers in Cell and Developmental Biology, 2021
Nuclear receptors (NRs) fulfill key roles in the coordination of postembryonal developmental transitions in animal species. They control the metamorphosis and sexual maturation in virtually all animals and by that the two main environmental-dependent ...
Jan Taubenheim   +2 more
doaj   +1 more source

Variation of lipids and fatty acids composition in the tissues of wild devil stinger (Inimicus japonicas) during sexual maturation

open access: yesAquaculture and Fisheries, 2018
The present study was conducted to characterize the lipid and fatty acid profiles in different tissues (gonad, liver and muscle) of the wild-caught devil stinger during sexual maturation.
Songlin Li   +4 more
doaj   +1 more source

Sex effects on structural maturation of the limbic system and outcomes on emotional regulation during adolescence

open access: yesNeuroImage, 2020
Though adolescence is a time of emerging sex differences in emotions, sex-related differences in the anatomy of the maturing brain has been under-explored over this period.
Pauline Bezivin Frere   +24 more
doaj   +1 more source

Sexual Maturation, Attitudes towards Sexual Maturity, and Body Esteem in Elementary-School Children [PDF]

open access: yesKorean Journal of Women Health Nursing, 2018
PURPOSE: The purpose of this study is to evaluate sexual maturation, attitudes toward sexual maturity, and body esteem in the sexual development of Korean elementary-school boys and girls.
Sunah Park   +5 more
doaj   +1 more source

Maturation-associated changes in the non-specific immune response against Flavobacterium psychrophilum in Ayu Plecoglossus altivelis [PDF]

open access: yes, 2018
In this study, we investigated maturation-associated changes in non-specific immune responses of ayu against Flavobacterium psychrophilum. The gonadosomatic index was minimum on 16 June, began to increase on 17 July, and reached the maximum value during ...
Kato Goshi   +4 more
core   +2 more sources

Probing Plasmodium falciparum sexual commitment at the single-cell level [PDF]

open access: yes, 2018
Background: Malaria parasites go through major transitions during their complex life cycle, yet the underlying differentiation pathways remain obscure.
Birren, Bruce W.   +8 more
core   +4 more sources

BCKDH: the missing link in apicomplexan mitochondrial metabolism is required for full virulence of Toxoplasma gondii and Plasmodium berghei [PDF]

open access: yes, 2014
While the apicomplexan parasites Plasmodium falciparum and Toxoplasma gondii are thought to primarily depend on glycolysis for ATP synthesis, recent studies have shown that they can fully catabolize glucose in a canonical TCA cycle.
Barrett, Michael P.   +11 more
core   +1 more source

Gonad development and reproduction in the monoecious species Chlorophthalmus agassizi (Actinopterygii: Aulopiformes: Chlorophthalmidae) from the Sardinian Waters (Central-Western Mediterranean) [PDF]

open access: yes, 2010
Background. The shortnose greeneye, Chlorophthalmus agassizi Bonaparte, 1840, is a species with a circumglobal distribution and is among the most abundant commercial fishes in some Mediterranean areas.
Cabiddu S, Cau A, Follesa MC, Porcu C
core   +1 more source

Home - About - Disclaimer - Privacy