| plexus aorticus | A plexus of lymph nodes and connecting vessels lying along the lower portion of the abdominal aorta. Synonym: plexus aorticus. (05 Mar 2000) |
|---|---|
| plexus aorticus abdominalis | <anatomy, neurology> An autonomic plexus surrounding the abdominal aorta, directly continuous with the thoracic aortic plexus above and continued inferior to the bifurcation of the aorta as the superior hypogastric plexus. Synonym: plexus aorticus abdominalis. (05 Mar 2000) |
| plexus aorticus thoracicus | Areolar venous plexus, a venous plexus in the areola surrounding the nipple, formed by the mammary veins, and sending its blood to the lateral thoracic vein. Synonym: plexus venosus areolaris, circulus venosus halleri, Haller's circle, vascular circle, venous circle of mammary gland, thoracic aortic plexus. (05 Mar 2000) |
| hiatus aorticus | The opening in the diaphragm bounded by the two crura, the vertebral column, and the median arcuate ligament, through which pass the aorta and thoracic duct. Synonym: hiatus aorticus, aortic foramen, aortic opening. (05 Mar 2000) |
| sulcus aorticus | A broad deep groove on the medial aspect of the left lung above and behind the hilum receiving the arch of the aorta and the thoracic aorta. Synonym: sulcus aorticus. (05 Mar 2000) |