Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 12 - The Central Nervous System - Review Questions - Critical Thinking and Clinical Application Questions - Page 481: 4


CTQ. #4. Myelomeningocele is a protrusion of a sac of portions of spinal meninges, with spinal nerves and cerebrospinal fluid through a discontinuity in the lumbar region of the vertebral column of a fetus /baby.This is a very serious type of spina bifida and develops because some of the lumbar vertebrae fail to develop normally and close the vertebral canal.

Work Step by Step

A complication of myelomeningocele is hydrocephalus-- an abnormally large amount of cerebrospinal fluid in the head of the baby. This often causes displacement of the baby's from position it usually assumes before delivery; this, and the problems associated with the vaginal delivery of a baby with an abnormally large head would favor a C-section delivery.
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