Earliest visible transition from vellus to terminal hair occurs at which life stage?

Prepare for the Florida Certified Clinical Electrologist Exam. Study with flashcards and multiple-choice questions with hints and explanations. Boost your confidence and get ready for your certification!

Multiple Choice

Earliest visible transition from vellus to terminal hair occurs at which life stage?

Explanation:
Rising androgens during puberty stimulate hair follicles in sensitive regions to switch from fine, pale vellus hair to thicker, pigmented terminal hair. The earliest visible change is the appearance of terminal hair in areas such as the pubic and underarm regions during puberty. Before puberty, hair remains largely vellus; after puberty, terminal hair becomes more widespread, but the first noticeable transition occurs at puberty.

Rising androgens during puberty stimulate hair follicles in sensitive regions to switch from fine, pale vellus hair to thicker, pigmented terminal hair. The earliest visible change is the appearance of terminal hair in areas such as the pubic and underarm regions during puberty. Before puberty, hair remains largely vellus; after puberty, terminal hair becomes more widespread, but the first noticeable transition occurs at puberty.

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