May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
3 citations
,
June 2001 in “Journal of Zoo and Wildlife Medicine” The lemur's testicular tumor was removed, improving its coat and behavior, with no signs of cancer spread.
5 citations
,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
20 citations
,
May 2013 in “International Journal of Molecular Medicine” Researchers found a new gene variant linked to a rare bone disease, which doesn't always cause symptoms in carriers.
April 2026 in “Veterinary Medicine and Science” Adrenal tumors in hamsters are rare and hard to diagnose, highlighting the need for better diagnostic tools.
June 2026 in “The Journal of Sexual Medicine” Rare seminoma found in a 33-year-old woman with atypical genitalia and no Y chromosome.
October 2023 in “Journal of the Endocrine Society” A woman's ovarian fibroma caused high testosterone levels, which normalized after surgery.
17 citations
,
February 2020 in “Cell and Tissue Banking”
November 2022 in “Journal of the Endocrine Society” A woman's masculine symptoms were caused by a rare tumor in her left ovary, which was found using a special blood test.
44 citations
,
May 2008 in “Acta Zoologica” Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.
July 2020 in “Research Square (Research Square)” Obesity and certain hormone levels can lead to advanced bone age in young girls with early breast development.
December 2014 in “Endocrinología y nutrición” The woman's rare combination of diseases suggests an unknown factor may predispose individuals to multiple endocrine diseases.
A woman's excess male hormone symptoms were caused by a rare benign tumor in her ovary.
9 citations
,
June 2020 in “European Radiology Experimental” 15-Gy x-ray irradiation temporarily alters rat calvaria skin without causing significant inflammation or fibrosis.
22 citations
,
January 2012 in “Obstetrics and Gynecology International” Obese women with PCOS have more cardiovascular risk factors, and waist-to-stature ratio is a better health marker than waist-to-hip ratio.
15 citations
,
July 2015 in “Developmental Dynamics” Orai1 protein is crucial for tooth development and affects enamel thickness and mineralization.
1 citations
,
July 2023 in “Journal of developmental biology” Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
14 citations
,
September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
39 citations
,
February 2011 in “American Journal of Dermatopathology” Onychomatricoma is a unique nail tumor that mimics the entire nail unit and is not related to other hair-related tumors.
10 citations
,
May 2018 in “Forensic Science International” Shrunken heads retain some facial features and hair characteristics, allowing for limited individual identification.
35 citations
,
September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
February 2024 in “Scientific Reports” The wolves suspected of man-eating in the 1880s likely ate very little human flesh and mostly consumed a diet similar to herbivores and omnivores.
September 2016 in “Archives of Pediatric Infectious Diseases” A young girl developed serious bone inflammation in her skull after a skin graft, which is a rare but severe condition.
7 citations
,
October 2019 in “Case reports in endocrinology” A young woman's symptoms suggested PCOS, but tests and surgery confirmed and treated a rare ovarian tumor, resolving her condition.
201 citations
,
August 2006 in “Cell and Tissue Research” July 2024 in “Journal of the ASEAN Federation of Endocrine Societies” In post-menopausal women, signs of increased male hormones should be checked for possible ovarian cancer.
April 2023 in “Research Square (Research Square)” A young woman had a rare, aggressive ovarian tumor that was hard to diagnose and treat, leading to disease progression despite treatment.
4 citations
,
December 2017 in “Journal of zoo and wildlife medicine” Hormonal changes during the reproductive cycle may cause seasonal skin problems in captive female fossas.
October 1976 in “BMJ. British medical journal”