The major regions of a hair shaft include all of the following except ________.
A) medulla
B) cortex
C) external root sheath
D) cuticle

Name: The major regions of a hair shaft include all of the following except ________. A) medulla B) cortex C) external root sheath D) cuticle
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Question

Quizplus · Accepted Answer

The major regions of a hair shaft include the medulla, cortex, and cuticle. The external root sheath is a structure that surrounds the hair follicle, not a part of the hair shaft itself.

The Major Regions of a Hair Shaft Include All of the Following