MYELENCEPHALON
\mˈa͡ɪɪlənsˌɛfalən], \mˈaɪɪlənsˌɛfalən], \m_ˈaɪ_ɪ_l_ə_n_s_ˌɛ_f_a_l_ə_n]\
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1. The brain and spinal cord, constituting the cerebrospinal axis. 2. The afterbrain or medullary brain, the posterior division of the rhombencephalon from which are developed the medulla oblongata and the bulbar portion of the fourth ventricle.
By Stedman, Thomas Lathrop
By Henderson, I. F.; Henderson, W. D.
By Willam Alexander Newman Dorland
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Acquired Meningomyeloceles
- Congenital, or rarely acquired, herniation meningeal spinal cord tissue through a bony defect vertebral column. majority these defects occur lumbosacral region. features include PARAPLEGIA, loss of sensation in the lower body, and incontinence. This condition may be associated with ARNOLD-CHIARI MALFORMATION HYDROCEPHALUS. (From Joynt, Clinical Neurology, 1992, Ch55, pp35-6)