Anatomy
hair shaft
Definitions related to hair shaft:
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The portion of hair that extends beyond the surface of the skin. It contains three layers: the cuticle, cortex, and medulla (not always present).Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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(shaft of the hair) The segment of the hair that projects above the skin surface.NCI ThesaurusU.S. National Cancer Institute, 2021
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