mass

(mas) [L. mas’sa]. 1. A body made up of cohering particles. 2. A cohesive mixture suitable for being made up into pills. achromatic m., the non-staining portion of the karyokinetic blue m. (mas’sa hydrar’gyri), metallic mercury rubbed up with honey of rose, etc., for making blue pill. filarm. See reticular structure under structure. pilular m., a drug ma of the proper consistency for being made into pills. Priest ley’s m., a green or brownish substance sometimes seen upon the canine and incisor teeth, chiefly in quite young persons; it is caused by a chrom ic microdrganism. Schultzse’s granular m’s, granular ma es, Con- Per- The po e ion of Hidden or con- A very rare metallic ele- 557 MAST ATROPHIA consisting largely of broken-down blood-plaques, formed in the blood. Stent’s m., a compound used in making dental impre ions and molds for surgical work. tigroid m’s. Same as Ni b bodies. See under body. Vallet’s m., ma of ferrous carbonate (mas’sa fer'ri carbon a’ lis). Dose, in pills, 3-5 gr. (0.3-0.333 gm.). ventrolateral m., that portion of the primitive lateral ma of the embryo from which are developed the abdominal, thoracic, and anterior cervical muscles.