10 Questions
What is the primary purpose of hair follicles in humans?
To protect against cold and UV radiation
Which part of the hair strand is composed of living cells?
Hair bulb
Which component of a hair follicle surrounds the cuticle cells?
Inner root sheath
What is the function of the cortex in a hair shaft?
To provide flexibility
What gives rise to the characteristic profiles of hair seen across different ethnic groups and individuals?
Cross-sectional shape of hair strands
Which component of the hair fiber is responsible for determining the physical and mechanical properties of hair?
Cortical layer
Where do multipotent stem cells reside in relation to the hair follicle?
In a distinct bulge area
What is the main task of the cuticle in relation to the hair shaft?
Attaching the growing hair shaft to the follicle
Which structure is believed to be a primary orchestrator in the hair growth process?
Dermal papilla
What is the primary function of autonomic sympathetic nerves in relation to hair follicles?
Providing control of functions
Learn about the role of hair as a component of the integumentary system and its characteristics such as length, color, diameter, and cross-sectional shape. Understand how hair follicles offer protection and produce sebum.
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