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 […]
noun, plural luxuries. 1. a material object, service, etc., conducive to sumptuous living, usually a delicacy, elegance, or refinement of living rather than a necessity: Gold cufflinks were a luxury not allowed for in his budget. 2. free or habitual indulgence in or enjoyment of comforts and pleasures in addition to those necessary for a […]
[sem-ee-mey-jer, sem-ahy-, sem-ee-, sem-ahy-] /ˈsɛm iˈmeɪ dʒər, ˈsɛm aɪ-, ˌsɛm i-, ˌsɛm aɪ-/ noun 1. Geometry. one half the major axis of an ellipse. 2. Astronomy. one half the major axis of the ellipse that one celestial body describes around another, as a planet around the sun or a satellite around a planet, equivalent to […]