72 citations
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September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
12 citations
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October 2014 in “Journal of Applied Animal Research” Bakerwali goat skin thickens with age, especially on the neck, and shows strong lipid reactions in the keratin layer.
January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
September 2023 in “Clinical anatomy” Forehead creases are formed by a tight connection between the skin and muscle through dense fibers, with changes in skin thickness and fewer skin appendages near the creases.
Hair and scalp camouflage techniques help people with hair loss feel more confident by making hair look denser.