Intermediate, and to one side, not central. Used especially to denote the i. cell column of spinal cord gray mattter, abbreviated IML, the location of all presynaptic sympathetic nerve cell bodies. See i. nucleus.
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in·ter·me·dio·lat·er·al .int-ər-.mē-dē-ō-'lat-ə-rəl, -'la-trəl adj of, relating to, or being the lateral column of gray matter in the spinal cord <\intermediolateral cell columns>
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in·ter·me·dio·lat·er·al (in″tər-me″de-o-latґər-əl) both intermediate and lateral.Medical dictionary. 2011.