December 2023 in “American Journal of Animal and Veterinary Sciences” Immature blackbuck pancreas has underdeveloped goblet cells and similar Langerhans islets in both sexes.
165 citations
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October 2013 in “Nature Communications” Scientists made working salivary glands in mice using bioengineered cells, which could help treat dry mouth.
8 citations
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January 2012 in “General and Comparative Endocrinology” 5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.
26 citations
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October 1996 in “Journal of Endocrinology/Journal of endocrinology” Goat hair follicles have insulin-like growth factor-I receptors that might affect hair growth, but no melatonin receptors were found.
5 citations
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January 2001 in “Journal of dermatological science” The G(S) alpha subunit gene may help start hair follicle growth in newborn mice.
July 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Males and females have different hair growth cycles and responses to hair regeneration treatments.
12 citations
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April 2019 in “Scientific Reports” A protein called HMGB1 helps hair grow by affecting prostaglandin metabolism.
1 citations
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August 2025 in “Molecules” Hederagenin shows promise for cancer and inflammation treatment but needs modifications to improve effectiveness.
6 citations
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November 2018 in “Journal of molecular histology” Testosterone increases fluid secretion and aquaporin expression in the vas deferens, which is important for male fertility.
1 citations
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June 2022 in “Experimental dermatology” The SHJH hr mice with a mutated Hr gene show signs of faster skin aging due to poor antioxidative protection.
28 citations
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September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
January 1993 in “Nihon Chikusan Gakkaiho” Trichocytic cytokeratin expression starts earlier in whiskers than in body hair during rat embryo development.
Hirsutism is common in young females and may signal underlying hormonal issues.
52 citations
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October 1999 in “Developmental Dynamics” Mutations in the hairless gene in mice affect its expression and lead to a range of developmental issues in multiple tissues.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
19 citations
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October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
8 citations
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May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
January 2011 in “The Chinese Journal of Dermatovenereology” DPC-hTERT cells can create hair follicle-like structures.
24 citations
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March 1996 in “Postgraduate Medical Journal” Most women with hirsutism in the UAE have polycystic ovary syndrome (PCOS).
February 2024 in “International Journal of Biological Macromolecules” The study created a new type of microsphere that effectively regrows hair.
207 citations
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September 1973 in “Entomologia Experimentalis et Applicata” B-type hairs on female butterfly legs help them choose where to lay eggs.
2 citations
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May 2023 in “Plants” Allium hookeri extract may help promote hair growth and protect cells from damage.
Treatment improved symptoms in a woman with HAIR-AN syndrome.
15 citations
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December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
11 citations
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February 1980 in “BMJ. British medical journal” Hirsutism is common body hair growth due to genetics and hormones, and while not a disease, it can be distressing; virilisation includes hirsutism with other male traits and needs medical attention.
January 2026 in “Frontiers in biomedical technologies” DHT causes thicker and less elastic skin, linked to hair loss.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
January 2016 in “Institutional Repositories DataBase (IRDB)” Sebaceous glands help study fatty acid transporters and binding proteins.