research Sex Identification of Feather Color in Geese and the Expression of Melanin in Embryonic Dorsal Skin Feather Follicles
Female goslings have darker feathers than males due to more melanin.
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330-360 / 1000+ resultsresearch Msx2 deficiency in mice causes pleiotropic defects in bone growth and ectodermal organ formation
Msx2 deficiency in mice leads to bone growth and organ development problems.
research Sex Differences in Reaction to Chronic Unpredictable Stress in the House Mouse (Mus musculus musculus) of Wild Origin
Male and female mice handle stress differently.
research Morphological Features of External Genitalia in Hypospadiac Rat Model: 3-Dimensional Analysis
Hypospadiac rats showed abnormal genital development, useful for studying human hypospadias.
research Sex Differences in Reaction to Chronic Unpredictable Stress in the House Mouse (<em>Mus m. musculus</em>) of Wild Origin
Male and female mice handle stress differently.
research Vibrissa hair bulge houses two populations of skin epithelial stem cells distinct by their keratin profile
There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
research Piebaldism in tree shrews
research `Cyclic alopecia' inMsx2mutants: defects in hair cycling and hair shaft differentiation
Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
research Distinguishing Gender Identity From Biological Sex in Dermatologic Health Care: Methods, Harms, and Paths Forward
The conclusion is that recognizing the difference between gender identity and biological sex is crucial in dermatology to improve patient care and research accuracy.
research Comparison Between Two Different Hamster Models used for the Determination of Testosterone and Finasteride Activity
Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
research Altered brain and pituitary androgen metabolism by prenatal, perinatal or pre- and postnatal finasteride, flutamide or dihydrotestosterone treatment in juvenile male rats
Treatment during development affects hormone balance and sexual behavior in male rats.
research Variation in human hair ultrastructure among three biogeographic populations
Different populations have distinct hair structures related to their ancestry.
research Partial interchangeability of Fz3 and Fz6 in tissue polarity signaling for epithelial orientation and axon growth and guidance
Fz3 and Fz6 can partially replace each other in tissue polarity and axon guidance.
research Exploring the clinical implications of novel SRD5A2 variants in 46,XY disorders of sex development
New SRD5A2 variants may disrupt protein function, aiding diagnosis and treatment of related disorders.
research Steroid 17β-hydroxysteroid dehydrogenase deficiency in man: An inherited form of male pseudohermaphroditism
Affected males are born with ambiguous genitalia, raised as females, but develop male traits at puberty due to enzyme deficiency.
research Unilateral heterochromia of scalp hair with adjacent hypomelanotic skin lesions
The boy's hair and skin color differences are due to a pigmentation disorder.
research Insights into the biological differences in hair follicles of men with androgenetic alopecia
research Seasonal and social correlates of changes in hair, skin, and scrotal condition in vervet monkeys (Cercopithecus aethiops) of Amboseli National Park, Kenya
Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
research Mouse Spermatogenesis Reflects the Unity and Diversity of Tissue Stem Cell Niche Systems
Mouse spermatogenesis shows that stem cells can behave flexibly and move widely in open environments.
research The Gross Morphology and Scanning Electron Microscopic Evaluation of the Skin Surface in Congenic Strains of Hairless Mice
Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
research The substantial role of asymmetric hair follicle differentiation in determining hair shape with ethical/racial related diversity
Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
research Influence of Sex and Hair Growth Cycle on Lipid Composition of Mouse Epidermis.
Male and female mice have different lipid compositions in their skin during hair growth cycles.
research 46, XY 5-Alpha Reductase Deficiency in a 36-Year-Old Phenotypic Female Patient
A 36-year-old person with a female appearance but male chromosomes was diagnosed with a rare enzyme deficiency affecting sexual development.
research 5 alpha-reductase-2 gene mutations in the Dominican Republic.
Different mutations in the 5 alpha-reductase-2 gene were found in affected individuals in the Dominican Republic, suggesting no common ancestry.
research Effects of Gonadal Steroids on Melanocytes in Developing Hamsters
Androgens increase pigmentation in young hamsters, but estrogens can reverse this effect.
research Physiology of Male Gonadotropic Axis and Disorders of Sex Development
Understanding genes and hormones is crucial for managing male puberty and sex development disorders.
research AN OBSERVATIONAL STUDY TO STANDARDIZE THE DERMOSCOPIC FINDINGS OF NORMAL SCALP AND HAIRS IN MALE
Standardized data is essential for diagnosing scalp and hair conditions in males.
research DIFFERENT HORMONAL PATTERNS IN PREP'UBERTAL HYPERTRICHOSIS
research Isolated patchy heterochromia with pili annulati features on light and electron microscopy
Isolated patchy heterochromia with pili annulati can occur without other health issues.
research Divergent genetic mechanism leads to spiny hair in rodents
Rodent spiny hair traits are due to genetic factors other than the Edar gene.