Surgeons were able to reattach an amputated limb, sewingboth the nerves and the blood vessels back together. Afterthe surgery, which proceeded very well, the limb regainedits blood supply almost immediately, but the limb remainedmotionless and the patient had no feeling in it for severalmonths. Why did it take longer to reestablish innervation thancirculation?

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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Surgeons were able to reattach an amputated limb, sewing
both the nerves and the blood vessels back together. After
the surgery, which proceeded very well, the limb regained
its blood supply almost immediately, but the limb remained
motionless and the patient had no feeling in it for several
months. Why did it take longer to reestablish innervation than
circulation?

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