Questions and Answers
What is the active stage of hair growth called?
What happens during the catagen phase?
Hair stops growing but cellular activity continues.
The telogen phase is the final stage of hair growth with further growth.
False
The anagen phase determines the thickness of hair and can last from a few months to a few __________.
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How long does the telogen stage last?
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Study Notes
Stages of Hair Growth
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Anagen Stage
- Active growth phase of hair.
- Duration varies from a few months to several years.
- Represents up to 90% of hair growth.
- Determines hair thickness and color formation.
- Involves activity in the germinal matrix.
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Catagen Stage
- Transitional phase lasting a few weeks.
- Hair growth ceases, but cellular activity persists.
- Hair bulb detaches from the follicle and begins moving upward.
- Follicle shortens by approximately one-third.
- Prepares the follicle for a resting period.
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Telogen Stage
- Final phase characterized by no further hair growth.
- Papilla shrinks and detaches from the hair area.
- About 15% of hair is in this stage at any given time.
- Duration lasts between 4 to 6 months.
- Post-resting, the cycle resumes with growth of a new hair follicle from the root germ.
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Description
Explore the three stages of hair growth: Anagen, Catagen, and Telogen. Understand the processes involved in each phase along with their durations and how they contribute to overall hair health. This quiz will test your knowledge on the lifecycle of hair.
