\mˈa͡ɪkɹə͡ʊnjˌuːklɪˌi], \mˈaɪkɹəʊnjˌuːklɪˌi], \m_ˈaɪ_k_ɹ_əʊ_n_j_ˌuː_k_l_ɪ__ˌi]\
Definitions of MICRONUCLEI
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Nuclei, separate from and additional to the main nucleus of a cell, produced during the telophase of mitosis or meiosis by lagging chromosomes or chromosome fragments derived from spontaneous or experimentally induced chromosomal structural changes. This concept also includes the smaller, reproductive nuclei found in multinucleate protozoans.
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- 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)