conus medullaris

conus medullaris
conus med·ul·lar·is -.med-əl-'er-əs, -.mej-ə-'ler- n a tapering lower part of the spinal cord at the level of the first lumbar segment

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the conical end of the spinal cord, at the level of the lower end of the first lumbar vertebra.

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[TA] medullary cone: the cone-shaped lower end of the spinal cord, at the level of the upper lumbar vertebrae; called also c. terminalis and terminal cone of spinal cord.

Medical dictionary. 2011.

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  • conus medullaris — ˌmedyu̇ˈlerə̇s, ˌmejəˈ noun Etymology: New Latin, literally, medullary cone : a tapering lower part of the spinal cord at the level of the first lumbar segment …   Useful english dictionary

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  • conus — [ kəʊnəs] noun (plural coni nʌɪ) Anatomy 1》 (also conus arteriosus α:ˌtɪərɪ əʊsəs) the upper front part of the right ventricle of the heart. 2》 (also conus medullaris ˌmɛdə lα:rɪs) the conical lower extremity of the spinal cord. Origin C19: from… …   English new terms dictionary

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