English > rachis: 2 senses > noun 2, body| Meaning | The series of vertebrae forming the axis of the skeleton and protecting the spinal cord. |
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| Synonyms | spinal column, vertebral column, spine, backbone, back |
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| Part of | axial skeleton | The part of the skeleton that includes the skull and spinal column and sternum and ribs |
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| Parts | coccyx, tail bone | The end of the vertebral column in humans and tailless apes |
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| intervertebral disc, intervertebral disk | A fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two) |
| spinal canal, vertebral canal, canalis vertebralis | The canal in successive vertebrae through which the spinal cord passes |
| vertebra | One of the bony segments of the spinal column |
| Narrower | chine | backbone of an animal |
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| notochord | A flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates |
| Broader | skeletal structure | Any structure created by the skeleton of an organism |
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| Spanish | columna vertebral, espalda, espina dorsal, espinazo, raquis, rosario |
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| Catalan | columna vertebral, espinada, espina dorsal, esquena, raquis, rosari |
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