What is the shape of the follicle for tightly curled hair?

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Multiple Choice

What is the shape of the follicle for tightly curled hair?

Explanation:
The shape of the follicle influences how a hair strand grows out of the scalp and how it curls. An oval (elliptical) follicle causes the hair shaft to exit at an angle, twisting as it grows and producing a tight curl. If the follicle were circular, the hair would grow more straight because the exit is symmetrical and lacks that directional bend. Linear or irregular follicle shapes wouldn’t consistently produce the neat, defined curl seen in tightly curled hair. So, the elliptical shape best explains tightly curled hair.

The shape of the follicle influences how a hair strand grows out of the scalp and how it curls. An oval (elliptical) follicle causes the hair shaft to exit at an angle, twisting as it grows and producing a tight curl. If the follicle were circular, the hair would grow more straight because the exit is symmetrical and lacks that directional bend. Linear or irregular follicle shapes wouldn’t consistently produce the neat, defined curl seen in tightly curled hair. So, the elliptical shape best explains tightly curled hair.

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