Results 21 to 30 of about 1,195,347 (296)

Changes in Sleep Patterns in Korean Early Adolescents during Sexual Maturation [PDF]

open access: yesAnnals of Child Neurology, 2022
Purpose Teenagers’ sleep patterns show physiological delays influenced by sexual maturation and other external time-related factors. However, Korean adolescents show differences in the onset of pubertal development and have shorter sleep durations than ...
Taehwan Han   +7 more
doaj   +1 more source

Characterization of N6-Methyladenosine in Domesticated Yak Testes Before and After Sexual Maturity

open access: yesFrontiers in Cell and Developmental Biology, 2021
The potential regulatory role of N6-methyladenosine (m6A), the most prominent mRNA modification in eukaryotes, has recently been identified in mammals, plants, and yeast.
Xingdong Wang   +10 more
doaj   +1 more source

Road to sexual maturity: Behavioral event schedule from eclosion to first mating in each sex of Drosophila melanogaster

open access: yesiScience, 2023
Summary: Animals achieve their first mating through the process of sexual maturation. This study examined the precise and detailed timing of a series of behavioral events, including wing expansion, first feeding, first excretion, and courtship, during ...
Ki-Hyeon Seong, Tadashi Uemura, Siu Kang
doaj   +1 more source

Sexual maturation of the blood cockle, Anadara granosa, in Matang mangrove estuary, peninsular Malaysia [PDF]

open access: yesInternational Journal of Aquatic Biology, 2014
The sexual maturation and spawning period of blood cockle in Matang mangrove estuary was studied by naked eye and histological observations of the gonads from July 2010 to April 2011. The high spawning period was from November to February.
Tatsuya Yurimoto   +2 more
doaj   +2 more sources

The influence of psychological stress in early life on sexual maturation and sexual behavior in male and female rats

open access: yesReproductive Medicine and Biology, 2020
Purpose We studied the influence of psychological stress during the early neonatal period on sexual maturation and sexual behavior in rats. Methods Neonatal male and female rats were divided into control (C) and maternal separation (MS) groups (n = 20‐24
Kiyohito Yano   +13 more
doaj   +1 more source

Sex differences in the association of measures of sexual maturation to common toxicants: Lead, dichloro-diphenyl-trichloroethane (DDT), dichloro-diphenyl-dichloroethylene (DDE), and polychlorinated biphenyls (PCBs)

open access: yesAnnals of Human Biology, 2021
Many studies of human toxicant exposure examine the hypothesis that human sexual maturation can be affected through endocrine disruption. Within this body of literature there is significant variation in the findings.
Casey N. West   +2 more
doaj   +1 more source

Flatback maturation.

open access: yes, 2022
Estimated a) age-at-sexual-maturation (ASM) and b) size-at-sexual-maturation (SSM) for n = 29 flatback sea turtles.
Paul A. Whittock (13123915)   +10 more
core   +1 more source

An assessment of sexual maturation among school girls in Abakaliki Metropolis, Ebonyi State, South-East Nigeria

open access: yesNigerian Postgraduate Medical Journal, 2016
Background: Sexual maturation is an important milestone which starts between 8 and 14 years in girls. However, varying ages of onset of sexual maturation have been reported in different environments, with more recent studies showing earlier ages of onset
Onyinye Uchenna Anyanwu   +3 more
doaj   +1 more source

Temporal progression in migratory status and sexual maturation in European silver eels during downstream migration [PDF]

open access: yes, 2011
The onset of downstream migration of European eels is accompanied by a cessation of feeding and the start of sexual maturation which stresses the link between metabolism and sexual maturation, also suggesting an important role for exercise.
Guerrero, M.A.   +8 more
core   +1 more source

Development of rat female genital cortex and control of female puberty by sexual touch. [PDF]

open access: yesPLoS Biology, 2017
Rat somatosensory cortex contains a large sexually monomorphic genital representation. Genital cortex undergoes an unusual 2-fold expansion during puberty. Here, we investigate genital cortex development and female rat sexual maturation.
Constanze Lenschow   +2 more
doaj   +1 more source

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