26 citations
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August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.
December 2024 in “Genome Biology and Evolution” Snakes and worm lizards lost claw proteins due to similar evolutionary changes.
22 citations
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January 1999 in “Dermatology” The condition might be caused by genetic changes after birth.
1 citations
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October 2023 in “Animals” A small dose of Platycladus orientalis leaf extract improves raccoon dogs' growth and health, but higher doses can be harmful.
3 citations
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September 2018 in “JAAD case reports” A Japanese man with rare skin conditions improved with hydroxychloroquine treatment.
February 2026 in “International Journal of Homoeopathic Sciences” Plica Polonica is a rare hair disorder causing severe matting, managed by detangling or cutting, and prevented with regular hair care.
61 citations
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February 1982 in “Cell and Tissue Research” 2 citations
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May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
26 citations
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August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
72 citations
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December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
January 2014 in “ACTA SCIENTIAE VETERINARIAE” The cat's skin condition was resistant to treatment and did not improve.
December 2021 in “International journal of research - granthaalayah” A young woman had a rare, usually non-cancerous tumor on her face that was initially mistaken for a different condition.
July 2023 in “International Journal of Rheumatic Diseases” Ulcerative sarcoidosis in body folds is rare and improved with prednisone and hydroxychloroquine.
February 2025 in “Indian Dermatology Online Journal” Pincer nails are rare in lupus patients and may be managed conservatively.
2 citations
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August 2008 in “Journal of Liaquat University of Medical & Health Sciences” A painless cheek lump was misdiagnosed but found to be a rare, benign skin lesion called pilomatrixoma, treatable by surgery.
11 citations
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February 2011 in “International Journal of Molecular Sciences” Different sPLA2 enzymes have unique roles in phospholipid metabolism and biological processes.
6 citations
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February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
March 2026 in “Preprints.org” Plerixafor may help treat pigmentation disorders by promoting skin repigmentation.
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.
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
33 citations
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October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
7 citations
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September 2017 in “Scientific Reports” Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.
February 2026 in “Journal of Cosmetic Dermatology” SEREVELLE safely and effectively promotes hair growth in adults with thinning hair.
November 2022 in “Journal of Investigative Dermatology” Neutrophils quickly respond to skin injury.
10 citations
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January 2003 in “Journal der Deutschen Dermatologischen Gesellschaft” Hydroxychloroquine helped improve scleromyxoedema in patients, but caused side effects in some.
Fraser's Dolphin can heal skin wounds with minimal scarring, unlike humans.
January 2014 in “Redalyc (Universidad Autónoma del Estado de México)” A Persian cat had a rare skin condition that didn't improve with treatment.
12 citations
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September 2014 in “Journal of Food Science and Nutrition” Platycarya strobilacea extract is a strong antioxidant that can grow hair better than minoxidil.
1 citations
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August 2016 in “Journal of Buffalo Science” The animal was likely a wild boar.
35 citations
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January 2011 in “Journal of Biological Chemistry” sPLA2-X is crucial for normal hair growth and follicle health.