Results 31 to 40 of about 13,419 (307)

Depigmented wing patch size is a condition-dependent indicator of viability in male collared flycatchers [PDF]

open access: yes, 2003
Honesty of sexual advertisement is thought to be the result of signalling costs. Because production costs of depigmented plumage patches are probably very low, their role as honest signals of individual quality has been questioned. Costs of bearing these
Garamszegi, László Zsolt   +2 more
core   +1 more source

Neurosteroids as Selective Inhibitors of Glycine Receptor Activity: Structure-Activity Relationship Study on Endogenous Androstanes and Androstenes

open access: yesFrontiers in Molecular Neuroscience, 2020
The ability of androstane and androstene neurosteroids with modifications at C-17, C-5, and C-3 (compounds 1-9) to influence the functional activity of inhibitory glycine and γ-aminobutyric acid (GABA) receptors was estimated.
Julia V. Bukanova   +2 more
doaj   +1 more source

Synaptic long-term potentiation and depression in the rat medial vestibular nuclei depend on neural activation of estrogenic and androgenic signals. [PDF]

open access: yesPLoS ONE, 2013
Estrogenic and androgenic steroids can be synthesised in the brain and rapidly modulate synaptic transmission and plasticity through direct interaction with membrane receptors for estrogens (ERs) and androgens (ARs).
Mariangela Scarduzio   +3 more
doaj   +1 more source

Sex-specific phenotypic integration: Endocrine profiles, coloration, and behavior in fledgling boobies [PDF]

open access: yes, 2015
The intensity of color expression in animals plays a key role in social environments as a mechanism to signal individual capacities in competitive contests. Selective pressures for resource competition differ at different stages of life and between sexes;
Fargallo, Juan A.   +6 more
core   +1 more source

Male, Female, Other: Transgender and the Impact in Primary Care [PDF]

open access: yes, 2016
Transgender includes patients at various stages of their journey. It is important that providers care for transgender patients with a culturally sensitive approach, awareness, and competent skill. There are new terms to learn.
Markwick, Laura
core   +2 more sources

CHARGE Association

open access: yesIndian Journal of Endocrinology and Metabolism, 2012
We present here a case of 17-year-old boy from Kolkata presenting with obesity, bilateral gynecomastia, mental retardation, and hypogonadotrophic hypogonadism. The patient weighed 70 kg and was of 153 cm height. Facial asymmetry (unilateral facial palsy),
Semanti Chakraborty, Jayanta Chakraborty
doaj   +1 more source

A randomised comparison evaluating changes in bone mineral density in advanced prostate cancer: luteinising hormone-releasing hormone agonists versus transdermal oestradiol. [PDF]

open access: yes, 2015
BACKGROUND: Luteinising hormone-releasing hormone agonists (LHRHa), used as androgen deprivation therapy (ADT) in prostate cancer (PCa) management, reduce serum oestradiol as well as testosterone, causing bone mineral density (BMD) loss.
Abel, PD   +15 more
core   +2 more sources

Clinical trial and in vitro study investigating topical application of Zataria multiflora Boiss. and Matricaria chamomilla extracts for androgenetic alopecia

open access: yesCogent Medicine, 2017
This study was intended to evaluate the hair growth activity of Zataria multiflora Boiss. (ZM) and Matricaria chamomilla (MC) for androgenetic alopecia following a six-month clinical trial.
Anoosheh Sharifan   +2 more
doaj   +1 more source

Male and female sex hormones in primary headaches [PDF]

open access: yes, 2018
Background: The three primary headaches, tension-type headache, migraine and cluster headache, occur in both genders, but all seem to have a sex-specific prevalence.
Alberto Terrin   +9 more
core   +1 more source

A National Analysis of Temporal Changes in Prescribing of Testosterone Replacement Therapy Considering Methods of Delivery and Government Regulation

open access: yesThe World Journal of Men's Health, 2021
Purpose: Testosterone replacement therapy (TRT) is commonly used for various causes of androgen deficiency and subsidized by the Pharmaceutical Benefits Scheme (PBS) in Australia when appropriate.
Andrew Morton   +7 more
doaj   +1 more source

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