The openings from the ventricles into these vessels are guarded by the semilunar valves.
The openings of the arteries behind the semilunar valves may be very small.
They have been made with such care that one of the series still shows the semilunar valves at the beginning of the aorta.
The valves of the left side are the most subject—the bicuspid or mitral and the aortic or semilunar.
Harris recommends the injection of alcohol into the semilunar ganglion.
The external nostrils terminated in a single orifice of a semilunar shape, with the concavity turned towards the snout.
Cut open the aorta, and notice the form of the semilunar valves.
The pupil is a fine black, and above each eye is a semilunar mark of the richest garnet.
Some authors recommend a semilunar anterior flap; this is quite unnecessary, increases bagging and delays union.
Among the various incisions recommended, the best seems to be the semilunar Incision.
semilunar sem·i·lu·nar (sěm'ē-lōō'nər, sěm'ī-) or sem·i·lu·nate (-lōō'nāt')
Shaped like a half-moon; crescent-shaped; lunar.