28 citations
,
February 2012 in “PLoS ONE” A PKP1 gene mutation causes skin fragility and hair loss in Chesapeake Bay retriever puppies.
October 2007 in “Postgraduate obstetrics & gynecology” Testosterone therapy can help postmenopausal women with low sexual desire but needs more safety research and should be used with estrogen therapy.
40 citations
,
January 1973 in “Journal of Dairy Science” Zinc deficiency in male goats leads to poor hair growth, smaller testicles, reduced libido, and is hard to reverse.
1 citations
,
September 2024 in “Journal of Clinical & Translational Endocrinology” PCOS women have more severe metabolic issues and higher androgen levels than hyperandrogenic women without PCOS.
57 citations
,
August 2002 in “American Journal Of Pathology” Cathepsin L deficiency causes hair and skin issues in mice.
13 citations
,
August 1980 in “Cancer” Multimodal primary treatment improves survival in premenopausal breast cancer patients and is also beneficial for postmenopausal women.
April 2020 in “Clinical Small Animal Internal Medicine” Sebaceous adenitis affects mainly young to middle-aged dogs and can be managed with topical treatments and essential fatty acids.
12 citations
,
February 2011 in “Equine veterinary education” A mare had severe symptoms and died from a large lymphoma.
11 citations
,
August 2000 in “Journal of Endocrinology” DHEA acts like a male hormone on rat skin glands and doesn't turn into female hormones there.
86 citations
,
March 1993 in “Toxicology and Applied Pharmacology” Finasteride affects male rat genitalia development, causing abnormalities during specific pregnancy days.
8 citations
,
August 2022 in “BMC Veterinary Research” C57BL/6 mice and SD rats have different sweat gland and hair follicle patterns, useful for skin research.
2 citations
,
February 2021 in “Brain Research” Testosterone affects blood pressure control and inflammation in male rats with endotoxic shock, and blocking certain hormones may help treat it.
April 2025 in “Veterinary Dermatology” Dermoscopy is useful for identifying skin lesions in dogs, with specific features distinguishing infundibular keratinising acanthomas from follicular cysts.
10 citations
,
April 1979 in “American Journal of Veterinary Research” Canine circumanal glands develop from hair follicle sheath cells, not sebaceous glands, and lack exocrine ducts.
4 citations
,
July 1987 in “Laboratory Animals” Female rats aged 8 weeks are best for this model.
January 2026 in “Open Veterinary Journal” PUFA-rich oil improves pet hair quality but may raise triglyceride levels.
December 2015 in “OPAL (Open@LaTrobe) (La Trobe University)” Estrogen speeds up hair follicle cell death, causing early hair growth cycle changes, but only if a specific receptor is present.
104 citations
,
June 2020 in “Journal of Endocrinology” Hyperandrogenism and insulin resistance in PCOS-like rats can lead to pregnancy complications due to increased cell death in the uterus and placenta.
3 citations
,
July 2012 in “Sokoto Journal of Veterinary Sciences” As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.
6 citations
,
October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
December 2023 in “Frontiers in pharmacology” Progesterone initially worsens but later reduces neuropathic pain in mice, through different mechanisms.
1 citations
,
October 2024 in “JCEM Case Reports” 5α-reductase deficiency can cause ambiguous genitalia and gender dysphoria, treatable with testosterone.
22 citations
,
January 2019 in “Climacteric” Oophorectomy lowers testosterone and estrogen levels in both premenopausal and postmenopausal women, with postmenopausal women still producing significant testosterone.
4 citations
,
June 2005 in “Andrology” A woman's diabetes improved after removing ovarian tumors that caused high testosterone levels.
April 2015 in “Cambridge University Press eBooks” Many women experience sexual dysfunction, but few seek help, and better treatment and medical training are needed.
May 2021 in “Journal of the Endocrine Society” The 18-year-old girl likely has a condition called müllerian agenesis, which caused her to not have a uterus and experience no menstrual periods.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
4 citations
,
December 2012 in “Arquivos Brasileiros De Endocrinologia E Metabologia” A postmenopausal woman's masculine symptoms improved after surgery for a hormone-producing ovarian tumor.
8 citations
,
April 2020 in “Journal of The American Academy of Dermatology” Bicalutamide may be a promising alternative treatment for female pattern hair loss.
March 2026 in “Journal of obstetrics and gynaecology research” Ark-e-Kasni improves PCOS symptoms and may be a potential treatment.