research Melatonin induces a stimulatory action on the scrotal skin components of Soay ram in the non-breeding season
Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.
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30 / 1000+ results research Ability to culture dermal papilla cells from red deer (Cervus elaphus) hair follicles with differing hormonal responses in vivo offers a new model for studying the control of hair follicle biology
Red deer hair cells offer a new way to study how hormones affect hair growth.
research Reproductive performance of hair ewes and rams implanted with melatonin previous to the anestrus season in northwest Mexico
Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.
research Androgen receptors are only present in mesenchyme-derived dermal papilla cells of red deer (Cervus elaphus) neck follicles when raised androgens induce a mane in the breeding season
Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.
research An integrative view of mammalian seasonal neuroendocrinology
The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.
research Effects of Seasonality and Pregnancy on Hair Loss and Regrowth in Rhesus Macaques
Hair loss peaks in spring and regrowth in late summer, with pregnant females losing the most hair.
research Sexually dimorphic sail feathers in the Mandarin duck as a model for lifelong developmental modulation
Mandarin duck sail feathers change with seasons due to hormones and genetic regulation.
research Androgens and human hair growth
Androgens can cause hair growth in some areas and hair loss on the scalp.
research Hyperadrenocorticism in Ferrets
Hyperadrenocorticism in ferrets is linked to neutering and indoor housing, and is best treated with surgery and a deslorelin implant.
research Sertolioma in a Canadian Husky: Relationship between Tumor, Hormones, Neurons and Skin
Removing a testicular tumor in a dog reduced its aggressive behavior and skin problems.
research An intergenerational androgenic mechanism of female intrasexual competition in the cooperatively breeding meerkat
Androgens in female meerkats influence aggression and dominance, affecting social dynamics and offspring behavior.
research Skin Conditions in Figure Skaters, Ice-Hockey Players and Speed Skaters
Ice-skating athletes often have skin problems due to cold, infections, and inflammation, needing careful treatment and prevention.
research Rooster feathering, androgenic alopecia, and hormone-dependent tumor growth: What is in common?
Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
research The involvement of androgens in human hair growth
Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
research Skin Disorders in Athletes: Professional and Recreational Sports
Athletes need effective management of skin disorders for their performance and well-being.
research Chilblains in Turkey: a case-control study
Low BMI and cold exposure increase the risk of chilblains.
research Quantifying long-term stress in brown bears with the hair cortisol concentration: a biomarker that may be confounded by rapid changes in response to capture and handling
Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
research Heavily hunted wolves have higher stress and reproductive steroids than wolves with lower hunting pressure
Heavily hunted wolves have higher stress and reproductive hormone levels.
research Stress and reproductive hormones reflect inter-specific social and nutritional conditions mediated by resource availability in a bear-salmon system
Grizzly and black bears have different stress and hormone responses to salmon availability, influenced by nutrition and social competition.
research Clock genes, hair growth and aging
Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
research Estrogens
research Androgens’ Effects across the Lifespan in Men and Animal Models
Androgens, male hormones, affect physical and mental functions, with a decrease leading to health issues like muscle loss, bone disease, and depression, and more research is needed on long-term effects and treatments.
research The quantification of reproductive hormones in the hair of captive adult brown bears and their application as indicators of sex and reproductive state
Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
research Melanocyte and gonad activity as potential severity modifying factors in C3H/HeJ mouse alopecia areata
Gonadal hormones significantly affect the severity of alopecia areata in mice.
research Pelage cycle in blue fox(Alopex lagopus):A comparison between animals born early and late in the season
Blue foxes born later in the season have a slightly delayed fur growth cycle, but it catches up by mid-November.
research Estrus, Ovulation, and Serum Progesterone, Estradiol, and LH Concentrations in Mares After an Increased Photoperiod During Winter
Increasing daylight to 16 hours in winter can make mares ovulate and cycle earlier.
research Estrus, ovulation, and serum progesterone, estradiol, and LH concentrations in mares after an increased photoperiod during winter.
Increasing light exposure in winter can make mares ovulate and cycle earlier.
research SEASONAL DERMATOPATHY AND CONCURRENT REPRODUCTIVE FINDINGS IN CAPTIVE FOSSA (CRYPTOPROCTA FEROX)
Hormonal changes during the reproductive cycle may cause seasonal skin problems in captive female fossas.
research Seasonal Moulting in Adult Male Raccoon Dog (Nyctereutes procyonoides)
Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.
research Naturally Occurring Female Hairline Patterns
Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.