GENETICS DISORDER RESEARCH PROJECT

Hair Structure & Info. Pigment. caused by proportions of 3 melanin types. gray/white hair - melanin replaced by air bubbles in shaft. hair types. lanugo. vellus. terminal. hair growth . influenced by: (in this order) nutrition - main influence. hormones . blood circulation. cycles. growth phase: actively mitotic vs. resting phase: follicle ... ................
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