potassium

(po-tas’e-um), gen. pot as’sii [L.]. A metallic element of the alkali group, many of whose salts are used in medicine. It is a soft, silver-white metal, melting at 58°; atomic weight, 30.3; specific gravity, 0.865; symbol, K (kalium). Ῥ. acetate, a compound, KC,H,0,. It is diuretic and purgative, and is used in dropsy, rheumatism, and skin diseases. Dose, 5-6c gr. (0.33-4 gm.). Ῥ. amylate. Sce mac ulan in. p. arsenate, K,H,AsO,, a stable salt of ortho-arsenic acid: used therapeutically. p. arsenite, a compound whose solution (Fouter's solution, it quor pot as’sit arseni’lis) is one of the most convenient forms for the administration of arsenic. Dose, 2-10 min. (0.133-0.666 c.c.). Ῥ. aurobromid, an antiseptic agent, AuBr,KBr + H,O, in purplish crystals. Hypodermic dose, }-4 gr. (0.008-0.012 gm.). p. aurocyanid, an agent in colorle crystals, KAuCN,. p. bicarbonate, a transparent, crystalline salt, KHCO,; used as an antacid and diuretic. Dose, 5-30 gr. (0.333-2 gm.). p. bichromate, p. dichromate, an orange-red, crystalline salt, K,Cr,O;. It is a caustic poison. and is used as a preservative for ti ues. p. bisulphate. Con- exit of the gall-bladder into the cystic duct. il p., the folds of peritoneum at the end of the ileum. laryngeal p. Same as sacculus laryngis. obturator p. See para vesical p. para cystic p., the lateral part of the ute roves i cal uch. para rectal p., the lateral part of jouglas’ pouch. para vesical p., the lateral part of the utero-abdominal pouch of the side of the ladder, where. the entrance is to the obturator canal: called also obturator p. Physick’s p's, inflammation of the sacculations between the rectal valves with mucous discharge. Rathke’s p., a diverticulum from the embryonic buccal cavity whence the anterior lobe of the pituitary body is developed. recto-uterine p. Same as Douglus’ p. recto vaginal p. Same as Douglas’ p. recto vesical p., the fold of peritoneum that is reflected on the bladder. See el's p., an embryonic pouch behind the top of the rudimentary hypophysis. utero-abdominal p., the anterior of the two compartments into which ° the pelvic cavity is divided by the uterus and broad ligaments. ute roves i cal p., vesico-uterine p., the fold of peritoneum between the bladder and the uterus. Will is’ p., the le er omentum.