Results 31 to 40 of about 15,924,749 (378)

Sexual dimorphism in the loud calls of Azara’s owl monkeys (Aotus azarae): evidence of sexual selection? [PDF]

open access: yes, 2019
Primates use different types of vocalizations in a variety of contexts. Some of the most studied types have been the long distance or loud calls. These vocalizations have been associated with mate defense, mate attraction, and resource defense, and it ...
Adret, Patrice   +5 more
core   +2 more sources

Transcriptional and translational differences of microglia from male and female brains [PDF]

open access: yes, 2019
Sex differences in brain structure and function are of substantial scientific interest because of sex-related susceptibility to psychiatric and neurological disorders. Neuroinflammation is a common denominator of many of these diseases and thus microglia
Güneykaya, Dilansu
core   +1 more source

Sex structure and timing of spawning for Mercenaria stimpsoni (Bivalvia, Veneridae) in the northwestern Japan Sea

open access: yesИзвестия ТИНРО, 2015
Sex structure, growth, maturing and spawning of clam Mercenaria stimpsoni at Primorye coast (Japan Sea) are considered on the data of histological analysis of gonad tissue preparations and gonad smears collected in diving surveys conducted eastward from ...
Roman V. Vlasenko, Marianna V. Kalinina
doaj   +1 more source

Information dynamics shape the networks of Internet-mediated prostitution [PDF]

open access: yes, 2010
Like many other social phenomena, prostitution is increasingly coordinated over the Internet. The online behavior affects the offline activity; the reverse is also true.
Barab  si   +14 more
core   +4 more sources

Sex hormone fluctuation and increased female risk for depression and anxiety disorders: From clinical evidence to molecular mechanisms

open access: yesFrontiers in neuroendocrinology (Print), 2022
Women are at twice the risk for anxiety and depression disorders as men are, although the underlying biological factors and mechanisms are largely unknown. In this review, we address this sex disparity at both the etiological and mechanistic level.
M. Kundakovic, Devin Rocks
semanticscholar   +1 more source

Where Have All The Young Men Gone? Evidences and Explanations of Changing Age: Sex Ratios in Kampala [PDF]

open access: yes, 2001
In the second half of the twentieth century the population of Kampala grew substantially and the long-remarked surplus of men over women began to level out.
Pons, V, Wallman, S
core   +1 more source

Sex Effects on Development of Brain Structure and Executive Functions: Greater Variance than Mean Effects

open access: yesJournal of Cognitive Neuroscience, 2019
Although male brains have consistently reported to be 8–10% larger than female brains, it remains not well understood whether there are differences between sexes (average or variance) in developmental trajectories.
L. Wierenga   +3 more
semanticscholar   +1 more source

A genetic basis for a postmeiotic X versus Y chromosome intragenomic conflict in the mouse. [PDF]

open access: yes, 2012
Intragenomic conflicts arise when a genetic element favours its own transmission to the detriment of others. Conflicts over sex chromosome transmission are expected to have influenced genome structure, gene regulation, and speciation.
Affara, Nabeel A.   +5 more
core   +4 more sources

FREE SEX ATTITUDE OF YOUNG ADOLESCENTS AND PERSONALITY STRUCTURE OF SIGMUN FREUD

open access: yesInternational Journal of Islamic Education, Research and Multiculturalism, 2022
this study discusses free sex attitude of young adolescent and personality structure of Sigmund Freud. The first part of this paper examines young adolescents’ problem and the second part is about personality structure of Sigmund Freud.
Moh. Rizki Djibran   +2 more
doaj   +1 more source

Sex difference and Allee effects shape the dynamics of sex‐structured invasions [PDF]

open access: yesJournal of Animal Ecology, 2017
Summary The rate at which a population grows and spreads can depend on individual behaviour and interactions with others. In many species with two sexes, males and females differ in key life‐history traits (e.g. growth, survival and dispersal), which can scale up to affect population rates of growth and spread.
Shaw, Allison K.   +2 more
openaire   +3 more sources

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