2 citations
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October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” This study observed that darker hair is typical in wetter regions for the Indriidae family, while within Propithecus, dark black hair is common in colder forests, suggesting evolutionary adaptations to environmental pressures.
This study suggests that the prevalence of red beards in individuals with dark hair may be explained by Thayer’s Theorem of countershading.
December 2022 in “Laboratory Animal Research” This study described two cases of trichoblastomas in the tactile hair skin of aged house musk shrews, highlighting that their histological structure differs from that in humans and other animals.
1 citations
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August 2020 This study found that mutations affecting hair keratin expression on Chromosome 15 in mice may cause altered hair and skin features similar to other known mouse mutations.
68 citations
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April 1965 in “General and Comparative Endocrinology” This study found that the pituitary gland is crucial for normal pelage color cycles in weasels, with certain hormones influencing regrowth of pigmented or white hair after molting.
