thora

(Etym. doubtful.] Bot.: Ranunculus thora; a species from the Alps. The roots are very acrid and poisonous, and their juice was formerly used by the Swi hunters to poison their arrows. tho-răç'-ic, *tho-răç'-Ick, a. & s. [Lat. thorax (gen it. thoracis )=the chest. A. As adj .: Of or pertaining to the thorax or chest; as, thoracic arteries. B. As substantive: Anat.: A thoracic artery. thoracic-duct, s. Anat .: A long narrow ve el in front of the vertebre, and opening into the veins on the left side of the neck at the angle of union of the subclavian and anterior jugular. It is the chief trunk of the lymphatic system, and the principal canal through which the chyle and lymph are conveyed to the blood. IMG:content-1037.png:[blocks in formation]