| hydrocele spinalis | A congenital limited defect in the spinal column, characterised by the absence of the vertebral arches through which the spinal membranes and spinal cord may protrude. (27 Sep 1997) |
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| noncommunicating hydrocele | Obliterated patent processus vaginalis; and isolated hydrocele. (05 Mar 2000) |
| Nuck's hydrocele | Accumulation of serous fluid in the labium majus or in Nuck's canal. Synonym: hydrocele muliebris, Nuck's hydrocele. (05 Mar 2000) |
| Dupuytren's hydrocele | Bilocular hydrocele in which the sac fills the scrotum and also extends into the abdominal cavity beneath the peritoneum. (05 Mar 2000) |
| funicular hydrocele | Fluid in a portion of the tunica vaginalis shut off from both testis and abdominal cavity. (05 Mar 2000) |