The meaning of rachis is an axial structure. The series of vertebrae that extend from the cranium to the coccyx, providing support and forming a flexible bony case for the spinal cord Columna vertebralis [ta] , backbone, rachis, spina, spinal column, spine (2) Medical dictionary for the health professions and nursing © farlex 2012 Definition of 'rachis' rachis in british english or rhachis (ˈreɪkɪs ) noun word forms The central stem of a leaf or flower spike that has several parts
The spine (= line of… From new latin rachis, from ancient greek ῥάχις (rhákhis, “spine, ridge”). The axis of an inflorescence when somewhat elongated, as in a raceme. See examples of rachis used in a sentence.
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