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May 2016 in “Journal of Veterinary Diagnostic Investigation” Exotic lice infest 45% of California mule deer, with younger and selenium-deficient deer more vulnerable.
January 1991 in “Linchuang pifuke zazhi” The white wax scale insect's genome shows that complete metamorphosis evolved earlier than thought and highlights differences in male and female development.
June 2023 in “International Journal of Dermatology” Lichen planus pigmentosus mainly affects middle-aged women with darker skin, is underreported, and is hard to treat.
13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
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September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
November 2025 in “World Journal of Biology Pharmacy and Health Sciences” Premature greying in kids can signal health issues like vitamin deficiencies or thyroid problems, which can be treated.
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January 2011 in “Veterinary Pathology” A horse with severe hair loss was diagnosed with alopecia areata and a yeast infection.
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February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
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January 2010 in “International journal of trichology” Trichoscopy can diagnose monilethrix, a genetic hair defect causing hair thinning and loss.
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January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
January 2025 in “Open Veterinary Journal” Zinc, copper, and vitamin A deficiencies cause skin disorders in sheep.
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November 2022 in “IP Indian journal of clinical and experimental dermatology” Dermoscopic and histopathological features combined can help diagnose Pityriasis versicolor.
January 2020 in “Revista Dermatológica Centro Uraga” Recognizing trichoscopic features is crucial for diagnosing various hair loss conditions.
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July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
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May 1964 in “Nature” June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
March 2021 in “CRC Press eBooks” The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
20 citations
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August 1979 in “PubMed” Adding zinc to marmosets' water improved their health, indicating their diet lacked enough zinc.
February 2025 in “Animals” Hair mineral content can non-invasively monitor yak health and nutrition.
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January 2015 in “International journal of trichology (Print)” A single long white eyelash is a rare but benign condition.
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October 2020 in “Journal of Cosmetic Dermatology” Low iron levels are linked to premature graying of hair, but vitamin D levels are not.
Cattle with dermatophytosis in Diyala show severe skin damage and abnormalities.
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March 2022 in “Ghana Medical Journal” Hair greying is common in Lagos, starting around age 30, more in males than females.
30 citations
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June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
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July 2018 in “CMAJ. Canadian Medical Association journal” A three-year-old girl has hair loss despite treatment with selenium sulfide shampoo and anti-fungal medication.
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
January 2020 in “Frontiers in Medical Case Reports” A dog developed skin issues from too many steroids, but reducing steroids and using a specific treatment fixed the problems.
October 2021 in “European Journal of Dermatology” CAL-PDT is safer and more effective for treating actinic keratosis on the scalp.
September 2023 in “Biomedicines” Squalene may be a marker for certain types of alopecia.