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January 2001 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Lysosomal proteases and cytoplasmic enzymes help hair follicle cells develop and differentiate.
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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 2026 in “Communications Biology” Yak hair follicles adapt to cold through specific gene regulation, enhancing cell growth.
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