| coccygeus | <anatomy, muscle> Origin, spine of ischium and sacrospinous ligament; insertion, sides of lower part of sacrum and upper part of coccyx; action, assists in support of pelvic floor, especially when intra-abdominal pressures increase; nerve supply, third and fourth sacral. Synonym: musculus coccygeus, coccygeal muscle, musculus ischiococcygeus. (05 Mar 2000) |
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| vortex coccygeus | A spiral arrangement of coarse hairs sometimes present over the region of the coccyx. Synonym: coccygeal whorl. (05 Mar 2000) |
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| plexus coccygeus | A small plexus formed by the fifth sacral and the coccygeal nerves; it gives origin to the anococcygeal nerves. Synonym: plexus coccygeus. (05 Mar 2000) |
| musculus coccygeus | <anatomy, muscle> Origin, spine of ischium and sacrospinous ligament; insertion, sides of lower part of sacrum and upper part of coccyx; action, assists in support of pelvic floor, especially when intra-abdominal pressures increase; nerve supply, third and fourth sacral. Synonym: musculus coccygeus, coccygeal muscle, musculus ischiococcygeus. (05 Mar 2000) |
| nervus coccygeus | <anatomy, nerve> A small nerve, the lowest of the spinal nerves, entering into the formation of the coccygeal plexus. Synonym: nervus coccygeus. (05 Mar 2000) |
| coccygeus |
coccygeal.
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