MERISTA 



358 



MESOAPPENDIX 



water and in solution of sodium chlorid. It is altera- 

 tive and antiseptic and is used locally (ointment 3%- 

 $%) and subcutaneously in syphilis, injection Ij^ gr. 

 (0.08 gm.) per dose in solution of potassium iodid. 

 Syn., Mercurous diiodoparaphenol sulfonate. M. 

 Succinate, Hg(C 4 H 4 4 ) 2 , whitish powder soluble in 

 a solution of sodium chlorid. Syn., Mercuric succin- 

 ate. M.-succinimid, Hg(C 4 H 4 NO,) 2 , long, white, 

 shining crystals soluble in 25 parts of water, slightly 

 soluble in alcohol ; it is recommended as a hypodermic 

 antisyphilitic (1.3 : 100). Dose, A gr. (0.013 g m -l- 

 Syn.,yJ/. imido- succinate ; Mercuric itnidosucciniviid ; 

 Mercuric succinimid. M. Sulfate, Mercuric Basic. 

 See Hydrargyrum subsulph. flav. (Illus. Diet. ). 

 M. Sulfate, Mercuric Normal, HgS0 4 , a 

 white powder. Syn., M. persulfate ; M. bi- 

 sulfale ; Neutral mercuric sulfate. M. Sulfid, 

 Black, a mixture of mercury and mercuric sulfid; 

 it is alterative and anthelmintic. Dose, 3-8—15 gr. 

 (0.2-0.52-1 gm. ). Syn., Black mercuric sulfid; 

 Ethiops mineral. M. Sulfocyanate, Hg(CNS) 2 , 

 a white or grayish powder, soluble in chlorids, 

 potassium sulfocyanate, slightly soluble in water. 

 Syn., Mercuric sulfocyanid or rhodanid. M. Tetra- 

 borate. See M. Borate. M. Tetraiodophenol- 

 phthalein. See Apallagin. M. -thymol. See M. 

 Thymolate. M. Thymolacetate, HgC 10 H 13 O. C 2 - 

 H 3 2 -\- Hg(C,H 3 2 ). 2 , colorless insoluble crystals con- 

 taining 57% °f mercury; it is used in tuberculosis, 

 syphilis, etc., by intramuscular injection. Dose, 1*4 

 gr. (o. 1 gm.) every 3-5 days in liquid paraffin or 

 glycerin. M. Thymolate, a basic salt variable in its 

 composition ; colorless crystals turning red on expo- 

 sure ; it is used in syphilis as mercury thymolacetate. 

 Syn., Thymol-mercury. M. Thymolnitrate, C 10 - 

 Hj 3 . Hg. 2 N0 3 , a white amorphous powder insoluble 

 in water ; it is used hypodermically in syphilis. Dose, 

 tj-£ gr. (0.005-0.01 gm.). M. Thymolsalicylate, 

 a white or grayish powder which darkens on exposure. 

 M. Thymolsiilfate, (' 10 H 1:j OHg. ! SO 4 , a white insolu- 

 ble powder. It is used hypodermically in syphilis. 

 Dose, T V-£ gr. (0.004-001 gm. ). M. Tribromo- 

 phenolacetate, a yellow powder containing about 

 30% of mercury; employed subcutaneously in syph- 

 ilis, tuberculosis, etc. Dose, 5 gr. (0.32 gm.) dis- 

 solved in liquid paraffin, once a week. M. Urate, 

 HgC 5 HjN 4 3 , a yellowish powder. M.-urea Chlorid. 

 See M. Bichlorid, Carbamidated. M. Valerianate, 

 Hg(C 5 H g 2 ) 2 , white powder. M. with Chalk. See 

 Hydrargyrum cum creta (Illus. Diet.). M., Vege- 

 table. I. See Manaca (Illus. Diet.). 2. The bark 

 of Bicheatia officinalis, Heerm., of the order Moracea. 

 See Murine (Illus. Diet.). M., Vitriol of, mercury 

 sulfate. M. and Zinc Cyanid, Zn 4 Hg(CN), , a 

 white powder insoluble in water, recommended as an 

 antiseptic surgical dressing. 



Merista {mer-is'-lah). See Merismopedia (Illus. Diet.). 



Meristiform (mer-is / -ti-for/n). Having the shape of 

 merismopedia ; sarcinic. 



Meristotropia (mer-is-to-tro' -pe-ali). See Merotropia 

 (2) (Illus. Diet.). 



Merocrania (wer-o-hra'-ne-ali) [//fpoc, apart; Kpnvhv, 

 the skull]. A condition of monstrosity marked by 

 absence of part of the skull. 



Merocrine (mer'-o-kren) [ukpoc, a part ; Kptvliv, to 

 secrete]. Applied to glands the cells of which, having 

 elaborated materials of secretion, evacuate them and 

 continue alternately to secrete and evacuate new mate- 

 rial. Cf. Holocrine. 



Merodiastolic (nier-o-di-as-tol f -ik) [pepos, a part ; 

 diastole"]. Relating to a part of the diastole. 



Merogonia [»ier-o-go / -ne-ah) [pepoc, part; yovij, that 



which begets]. Delags' term for the production of 

 perfect embryos without a female nucleus ; it consists 

 in the union of a spermatic nucleus with a given mass 

 of ovular cytoplasm and the transference to this mass 

 of a certain special plasm with energy, contained in 

 the spermocenter. 



Merorrhachischisis (tner-or-rak-is' '-kis-is) \_pepnc, a 

 part; pdx'S) the spine; cxiotc, fissure]. Partial 

 rachischisis. 



Merosystolic (mer-o-sis-lol' -ih) [pepoc, a part ; avaro/rj, 

 systole]. Relating to a part of the systole. 



Merotomy (mer-ot'-o-me) \_pepoc, a part ; tojitj, a cut- 

 ting]. The section of a living cell for the study of the 

 ulterior transformation of the segments ; by extension 

 it is also applied to experimental division of amebas, etc. 



Merotropy [itier-ot'-ro-pe). See Tautomerism (Illus. 

 Diet.). 



Merozoite (mer-o-zo / -il) [uepoq, a part; ££>ov, an ani- 

 mal]. Simond's term (1897) for one of the crescentic 

 swarm spores which result from the multiple splitting 

 of a schizont in the Coccidia. Syn., Nomospore (Lan- 

 kester, 1900). 



Merulius [nier-uf '-le-us) \_merus, bright, glistening]. A 

 genus of fungi of the order Basidiomycetes. The 

 mycelium of M. lacrymans, Schum., causes dry rot 

 in timber, and diseases (sometimes fatal) of the respira- 

 tory passages are attributed to the inhaled spores. 



Merycic {mer-is'-ik) [/iT/pvKia/idc, rumination]. Relat- 

 ing to merycism ; ruminating. 



Merycole {mer'-ik-ol). An individual who practises 

 merycism. 



Mesatikerkic (mes-at-e-kur'-kik) [fieco-i/c, a middle; 

 KEpKic, the mathematical radius]. Neither brachy- 

 kerkic nor dolichokerkic, but intermediate between the 

 two. 



Mescal. See Mezcal (Illus. Diet.). M. Buttons, the 

 dried tubercles (the flattened, cushion-like, spine-bear- 

 ing area of cactus plants — in this instance spineless) 

 of Anhalonium williamsii, Lem., a cactus of Mexico 

 and Texas, used by the Kiowa Indians in religious 

 ceremonies and producing color-hallucination and other 

 visual phenomena. Dose, 3 buttons in infusion. Syn., 

 Muscale buttons ; Dry zvhisky. 



Mescalin [mes'-kal-iii). An alkaloid from Anhalonium 

 lewinii, Pfennings. It forms a salt with hydrochloric 

 acid more soluble in water and alcohol than the similar 

 salt of anhalonin. 



Mesembryanthemum (mes-em-hre-an'-the-mum') \_nrn- 

 rjufipia, midday; avtit/uov, a flower]. A genus of 

 succulent plants of the order Ficoidcic. M. crystal- 

 linum, L., ice-plant, indigenous to Cireece, Canary 

 Islands, and South Africa, contains soda. The ex- 

 pressed juice is used in dropsy, kidney and liver com- 

 plaints, and dysentery. 



Mesenna (mes-en'-ah). See Moussena (Illus. Diet. ). 



Mesentericomesocolic (tues-en-ter-ik-o-mez-o-kol'-ik). 

 Relating to the mesentery and the mesocolon. 



Mesenteriolum. (See Illus. Diet.) Mesenteriola 

 tendinum. See Mesotendou. 



Mesentery. (See Illus. Diet. ) M., Cardiac, the me 

 socardium. M., Cecal, the mesocecum. M., Gas- 

 tric, the mesogastrium. M., Rectal, the mesorec- 

 turn. M., Uterine, the mesometiium. 



Mesiobuccal {mes-e-o-buF-al) [firooc, middle; bucceu 

 cheek]. Pertaining to surfaces between the mesial 

 and buccal aspects of the teeth. 



Mesiolingual (mcs-e-o-lin'-gii'al) \_piaoc, middle; //'«- 

 gua, tongue]. Relating to surfaces between the 

 mesial and lingual aspects of the teeth. 



Mesoappendix (///cs-o-a/>-rn / -d/fo) [iteaog, middle; ap- 

 pendix]. The mesentery attached to the vermiform 

 appendix. 





