19 citations
,
March 2013 in “Biology Letters” Early tetrapod keratins evolved into toe pad proteins in amphibians and hair proteins in mammals.
72 citations
,
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.
10 citations
,
December 2020 in “Palaeogeography, palaeoclimatology, palaeoecology” Elephant tusks and hair reveal seasonal diet and climate changes.
September 1973 in “Primates”
Ancient herders in the Keriya Valley fed their animals mainly C3 plants, with some C4 plant feeding possibly due to herd movement or seasonal changes.
1 citations
,
August 2024 in “Journal of Morphology” Mammary glands evolved from hair organs in Monodelphis domestica.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
2 citations
,
September 2017 in “Journal of Zoo and Wildlife Medicine” An addax had skin cancer that spread to lymph nodes and was euthanized.
November 2025 in “Journal of Investigative Dermatology” TEDAR is crucial for skin cell differentiation and barrier formation.
December 2025 in “Therya notes” Bats in Puebla, Mexico, show hair loss likely due to environmental stress from human activities.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Deleting the Hoxc13 gene in frogs shows its crucial role in developing skin structures similar to hair.
1 citations
,
February 2015 in “Revista Acadêmica Ciência Animal” A mare had a functional ovary with a tumor containing cartilage and bone.
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
1 citations
,
December 2024 in “BMC Genomics” Nuptial pads in Chinese brown frogs change seasonally due to specific gene activity.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
September 2009 in “Encyclopedia of Life Sciences” The KRTAP gene family helps understand hair evolution and hair disorders.
86 citations
,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
21 citations
,
June 2003 in “Journal of Morphology” Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.
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.
March 2024 in “Veterinary sciences” Geriatric Julia Creek dunnarts often suffer from reproductive and skin diseases, impacting conservation efforts.
May 2023 in “Frontiers in veterinary science” A young tapir with a rare skin condition improved after treatment with wound cleaning, cream, and oral medication.
1 citations
,
November 2023 in “Pathogens” Raccoon dogs in Schleswig-Holstein, Germany, were found with sarcoptic mange, showing severe skin issues and potential for spreading the disease.
May 2024 in “Scientific African” Three natural compounds from Ghanaian plants may help treat BPH and alopecia.
March 2024 in “Indian Journal of Dermatology/Indian journal of dermatology” Using animal names for skin conditions helps with learning and memory.
1 citations
,
November 2023 in “Viking” Shoes in Borgund were mainly made from cow leather, with some horse, goat, and possibly sheep leather.
February 2024 in “Therya notes” A bat in Veracruz, México, was found with hair loss likely due to an injury and infection.
14 citations
,
August 2013 in “Journal of Parasitology” Mite infestations severely harm the health of endangered Amargosa voles.
Aged Julia Creek dunnarts suffer from reproductive and hormonal issues, aiding conservation efforts.
35 citations
,
April 2021 in “Current Biology”