Rachicentesis
rachicentesis ra·chi·cen·te·sis (rā’kĭ-sěn-tē’sĭs)
n.
See lumbar puncture.
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[rey-kis] /ˈreɪ kɪs/ noun, plural rachises, rachides [rak-i-deez, rey-ki-] /ˈræk ɪˌdiz, ˈreɪ kɪ-/ (Show IPA) 1. Botany. 2. Ornithology. the part of the shaft of a feather bearing the web. 3. Anatomy. . /ˈreɪkɪs/ noun (pl) rachises, rhachises, rachides, rhachides (ˈrækɪˌdiːz; ˈreɪ-) 1. (botany) the main axis or stem of an inflorescence or compound leaf […]
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rachigraph ra·chi·graph (rā’kĭ-grāf’) n. A graph for recording the curves of the vertebrae.
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[ruh-kil-uh] /rəˈkɪl ə/ noun, plural rachillae [ruh-kil-ee] /rəˈkɪl i/ (Show IPA). Botany. 1. a small or secondary rachis, as the axis of a spikelet in a grass inflorescence. /rəˈkɪlə/ noun 1. (in grasses) the short stem of a spikelet that bears the florets rachilla (rə-kĭl’ə) Plural rachillae (rə-kĭl’ē) The stalk that bears the florets in […]
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also rhachio-, before vowels rachi-, word-forming element meaning “spinal,” from Greek rhakhis “spine, ridge, rib of a leaf.” Cf. Greek rhakhos “thorn hedge.” rachio- or rachi- pref. Spine; spinal: rachiometer.