| cauda equina | <anatomy> A bundle of spinal nerve roots which arise from the termination of the spinal cord proper, it comprises the roots of all the spinal nerves below the first lumbar (L1). (16 Mar 1998) |
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| cauda equina syndrome | <syndrome> A clinical syndrome characterised by dull pain in the lower back and upper buttock region, analgesia in the buttocks, genitalia (or thigh), accompanied by a disturbance of bowel and bladder function. (27 Sep 1997) |
| Setaria equina | A species that is a common parasite of horses and other equids in all parts of the world; they are slender whitish filaments, several inches in length, usually found free in the peritoneal cavity, but occasionally reported in the pleural cavity, lungs, scrotum, eye, and intestine. (05 Mar 2000) |
| Taenia equina | A cosmopolitan species of the horse, donkey, mule, and zebra; cysticercoid larvae are found in arthropods. Synonym: Taenia equina, Taenia quadrilobata. (05 Mar 2000) |