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

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

Quizplus · Accepted Answer

The major regions of a hair shaft are the cortex, cuticle, and medulla. The external root sheath is not a region of the hair shaft, but rather a component of the hair follicle.

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