23. The lunula of the nail appears white because a. it lacks melanin. b. blood vessels cannot be seen through the thick nail matrix. c. the cuticle decreases blood flow to the area. d. the nail root is much thicker than the nail body. e. the hyponychium is thicker than the cuticle.
23. The lunula of the nail appears white because a. it lacks melanin. b. blood vessels cannot be seen through the thick nail matrix. c. the cuticle decreases blood flow to the area. d. the nail root is much thicker than the nail body. e. the hyponychium is thicker than the cuticle.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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23. The lunula of the nail appears white because
a. it lacks melanin.
b. blood vessels cannot be seen through the thick nail matrix.
c. the cuticle decreases blood flow to the area.
d. the nail root is much thicker than the nail body.
e. the hyponychium is thicker than the cuticle.
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