semilunar cartilage n.
Any of the articular menisci of the knee joint.
- Semilunar conjunctival fold
semilunar conjunctival fold n. The crescent-shaped fold formed by the palpebral conjunctiva at the medial angle of the eye.
- Semilunar ganglion
semilunar ganglion n. See trigeminal ganglion. See celiac ganglion.
- Semilunar line
semilunar line n. The slight groove in the external abdominal wall parallel to the lateral edge of the rectus sheath. Also called Spigelius line.
noun, Anatomy. 1. either of two valves, one in the aorta and one in the pulmonary artery, consisting of a set of three crescent-shaped flaps of tissue and serving to prevent blood from flowing back into the heart after contraction. semilunar valve noun 1. (anatomy) either of two crescent-shaped valves, one in the aorta and […]