They are positioned just under the skin and connect to the anus through small canals or ducts. (thedrakecenter.com)
Just 1 / 100th the size of a human hair, microbubbles sneak into very small canals within the complex clot and their oscillation from ultrasound causes a breakup of the clot from the inside as well. (sciencedaily.com)
A series of small canals run through the grounds and connect hot spring water collected from two wells with cooler water, offering you temperature variation options. (travelfish.org)