Spiral valve (disambiguation)
# Spiral valve (disambiguation)

The term spiral valve may refer to:

* Intestinal spiral valves, the lower portion of the intestine of some sharks, rays, skates and bichirs
* Spiral valves of Heister, valves in the proximal mucosa of the cystic duct
* The spiral valve of the conus arteriosus, as found in some amphibians and lungfish
