MEG 



254 



MED 



urinarius, ur'tn-dr'-i-us (L. urin- 

 drius, urinary from urlna, 

 urine), the orifice of the urethra 

 in both sexes: meatuses, n. plu., 

 me'dtius-fa, those of the nares or 

 nostrils, named respectively the 

 superior, middle, and inferior. 



meconic, a., mek-dn'ik (Gr. mekon, 

 a poppy, the ink-bag of the 

 cuttle-fish), applied to a peculiar 

 acid contained in the juice of 

 Papaver somniferum, Ord. Papav- 

 eraceae, and in its concrete milky 

 juice called opium : meconate, 

 n., mek'-dn-dt, a salt consisting of 

 meconic acid and a base. 



meconium, n., mek-on'i-tim (Gr. 

 mekdnion, L. meconium, poppy 

 juice from Gr. mekon, the 

 poppy, the ink-bag of the cuttle- 

 fish), the inspissated juice of the 

 poppy ; opium ; the first dark 

 slimy discharge from the bowels 

 of a newly -born infant. 



medial, a., medf-l-al (L. medius, 

 the middle), in bot., along the 

 middle: median, a., med'-i-dn, 

 relating to or connected with the 

 middle of anything : median 

 line, n., an ideal line dividing 

 a body longitudinally into two 

 equal parts. 



mediastinum, n., med'i-as'tin''um 

 (L. mediastinus, one standing in 

 the middle, a servant from 

 medius, the middle; sto, I stand), 

 the space left in the median line 

 of the chest by the non-approxim- 

 ation of the two plurae, extend- 

 ing from the spine to the upper 

 surface of the breast-bone : med- 

 iastinal, a., nied'-i-as-tin'al, of or 

 connected with the mediastinum: 

 mediastinum testis, tes'-tis (L. 

 testis, of a testicle), a vertical 

 process, from which is given off 

 numerous septa, situated in the 

 centre of a fibrous covering en- 

 closing the body of the testis, 

 called the ' tunica albuginea. ' 



mediate, a., med'-i-dt (L. medius, 

 middle), middle; situated between 

 two extremes : mediate auscult- 



ation, auscultation through a 

 stethoscope opposed to ' immedi- \ 

 ate auscultation,' an auscultation j 

 made directly by the ear. 



Medicago, n., med'-ik-dg'-o (Gr. 

 medike, name given by Dios- 

 corides to a Median grass), a 

 genus of plants, Ord. Leguminl 

 osse, affording some fodder plants : 

 Medicago sativa, sat-iv'-a (L. 

 sativum, sown or planted), the 

 Lucerne, cultivated as green food : 

 for horses and cattle: M. lupulina, 

 I6p f 'ul'ln f '(t (new L. lupulus, the 

 hop), the plant Nonsuch, intro- j 

 duced into pastures along with : 

 grasses and clovers, so named j 

 from having the appearance of 

 the hop in its floral capitules. 



medicament, n., med'fk-a-mZnt 

 (L. medicdmentum, medicine, a 

 drug ; medico, 1 heal or cure ; It. 

 and Sp. medico, a physician), a 

 substance given for curing a 

 disease or a wound : medication, 

 n., med'-ik-d'shun, the act or 

 process of impregnating with a 

 medicinal substance ; treatment 

 by means of medicine : medicin- 

 al, a., med-is f 'in-dl, having the 

 properties of medicine ; used in 

 medicine : medicine, n., med- 

 is -in or med'-sin, a substance 

 administered for the cure or mitig- 

 ation of disease : medical juris- 

 prudence, the applications of 

 medical science to the determina- 

 tion of certain questions in courts 

 of law : medico-legal, pert, to 

 law as aftected by medical facts. 



medick, n., med'-ik, same as 

 * medicago, ' which see. 



medulla, n., med-ul'-la (L. m%d- 

 ulla, the marrow, the pith from 

 medius, the middle), the fat 

 substance or marrow in the long 

 bones ; the spinal cord ; the pith 

 of plants ; the fibrous matter 

 covering the petioles of palms : 

 medullary, a., med-ul'lar-i, pert, 

 to marrow or pith : medulla 

 oblongata, db'hng-gdltd (L. 

 oblonyus, long, oblong), the part 



