MECONATE 



734 



MEDICINE 



Meconate [mek'-on-dt) [fir/nuv, opium]. A salt of me- 

 conic acid. 



Meconeuropathia ^mek-on-u-ro-pa' '-the-ah) [fir/iuM), opi- 

 um ; vevpov, nerve ; iradog, illness] . Nervous disorder 

 due to the abuse of opium, or its narcotic derivatives. 



Meconial Colic [mek-o'-ne-al). See Colic. 



Meconic (mek- on' '-ik) [\iijkuv, poppy]. Pertaining to 

 opium. M. Acid. See Acid. 



Meconidin (mek-on'-id-in) [u/'/kuv, poppy] , C 21 H 23 N0 4 . 

 An amorphous alkaloid of opium. 



Meconidium [mek-on-id' -e-um) [/li/nuv, part of the intes- 

 tine of a testaceous animal ; the ink-bag of a cuttle- 

 fish: pl.,Meconidia\. In biology, one of the genera- 

 tive' medusoid buds or zoojds developed on the gono- 

 theca of certain hydroids ( Gonothyrea) , and that gives 

 rise to ciliated embryos. 



Meconin (inek' -on-in) [firjuuv, poppy], C 10 H ]0 O 4 . A 

 substance that results from the action of sodium amal- 

 gam upon opianic acid. It occurs already formed in 

 opium, and is obtained on boiling narcotin with water. 

 It yields shining crystals, melting at 102 C, and dis- 

 solving with difficulty in water. It is said to be an 

 hypnotic. Unof. 



Meconioid {tnek-o'-ne-oid) [jiIjkuv, poppy; eidog, like]. 

 Resembling meconium. 



Meconiorrhea {tnek-on-e-or-e r -ah) [jiriK&viov, meco- 

 nium; poia, flow]. A morbidly free discharge of me- 

 conium. 



Meconiosin (inek-on-i' -o-sin) [/ui/nuv, poppy]. A neu- 

 tral principle found in opium 



Meconious (mek-o'-ne-us) [fir/iaov, poppy]. Pertaining 

 to meconium. 



Meconism [mek' -on-izm) [meconismus ; firjKuv, poppy] . 

 The opium-habit ; opium-poisoning, especially of the 

 chronic kind. 



Meconium [mek - o' '- tie ■- um) [[U]k6vlov , lit., "poppy- 

 juice"]. The first fecal discharges of the newborn. 

 It is a dark-green, viscid liquid, composed of the secre- 

 tion of the liver with exfoliated epithelium from the 

 bowel. 



Meconoid (mek'-on-oid). Synonym of Meconioid, 



Meconoiosin [mek-on-oi'-o-sin) [/i/}kuv, poppy], C 8 H 10 - 

 2 . A derivative of opium, crystalline in character 

 and giving a dark-red color with sulphuric acid. 



Meconology [mek-on-ol'-o-je) [firjuuv, opium ; ?i6yog, 

 science]. The botany and pharmacology of opium, 

 its allies and derivatives. 



Meconophagism [mek-on-off '' '-aj-izm) [jitjkuv, opium ; 

 (payelv, to eat]. The habit of opium-eating. 



Meconophagist [mek-on-off' -aj-ist) [ui/Kup, opium; 

 (payelv, to eat]. An opium-eater. 



Medeitis (me-de-i'-tis) [prjdea, genitals ; trig, inflamma- 

 tion]. Inflammation of the genital organs. 



Media [me'-de-ah) [fem. of medius, middle: pi. of 

 medium']. The middle coat of an artery, vein, or 

 iymph-vessel. 



Mediad (me'-de-ad) [medius, middle]. Toward the 

 median plane or line. 



Medial [me'-de-al). See Median. 



Median [me'-de-an) [medius, the middle]. Middle, 

 mesal, or mesial. M. Artery. 'See Arteries, Table of. 

 M. Line. See Line. M. Nerve. See Nerves, Table 

 of. M. Operation. See Operations, Table of. M. 

 Plane. See Plane. 



Mediastinal (me-de-as-ti'-nal) [mediastinum, mediasti- 

 num]. Pertaining to the mediastinum. 



Mediastinitis (me-de-as-tin-i' -tis) [mediastinum, me- 

 diastinum; irig, inflammation]. Inflammation of the 

 cellular tissue of the mediastinum. It is characterized 

 by constant severe pain beneath the sternum, together 

 witli dyspnea. Pus may form and give rise to consti- 

 tutional symptoms, and, if in large quantity, to a 



fluctuating tumor in an intercostal space or above the 

 episternal notch. 



Mediastino-pericarditis {me-de-as' '-tin-o-per-ik-ar-di' '- 

 tis) [mediastinum, mediastinum; Tvepi, around; 

 napdia, heart; trig, inflammation]. Combined inflam- 

 mation of the mediastinum and the pericardium. 



Mediastinum [me-de-as-ti' -num) [in medio stare, to 

 stand in the middle]. A middle portion or septum 

 separating adjacent parts. The pleural folds or septa 

 extending from the spine to the sternum, and dividing 

 the thoracic cavity into right and left chambers. It is 

 divided into the anterior, the middle, and the posterior 

 mediastinum, and otherwise into an upper (or superior) 

 and a lower mediastinum. M. testis, a cavity in the 

 posterior portion of the testicle formed by a projection 

 inward of the tunica albuginea. It occupies about 

 one -third of the transverse, and one-fourth of the longi- 

 tudinal diameter of the testicle. 



Mediate (me'-de-dt) [medius, the middle]. Indirect. 

 Also applied to the medium interposed between the 

 surface of the body, and the instruments used in percus- 

 sion and auscultation. M. Ligature. See Ligature. 

 M. Percussion, percussion on a pleximeter. 



Medibasilic Vein [me-de-bas-il'-ik). The median 

 basilic vein. See Vein. 



Medicable (med'-ik-a-bl) [medicari, to heal]. Amen- 

 able to cure. 



Medical (med'-ik-al) [medicalis ; medicari, to heal]. 

 Pertaining to medicine, or the healing art. M. Eth- 

 ics, those principles of justice, honor, and courtesy 

 that regulate the intercourse and conduct of physicians. 

 M. Jurisprudence. See Jurisprudence. 



Medicament [med-ik' '-am-ent) [medicamentum, from 

 medicari, to heal]. A medicinal substance. 



Medicamental, Medicamentary (med-ik-am-en'-tal, 

 med-ik-am-en' -ta-re) [itiedicamentum, from medicari, 

 to heal]. Pertaining to medicine. 



Medicamentation ( med-ik-am-en-ta' -shun ) [ medica- 

 mentum, a medicine]. Treatment by medicines. 



Medicamentous [med-ik-atn-en' -tus). See Medicinal. 



Medicamentum [med-ik-am-en'-tum). See Medica- 

 ment. M. arcanum, a proprietary or secret remedy. 



Medicaster [med' -ik-as-ter) [medicus, a physician]. An 

 ignorant or unskilful physician or pretender; a 

 quack. 



Medicated (med'-ik-a-ted) [medicatus, medicated]. 

 Treated or impregnated with medicine. Also, purified 

 and made fit for medical use. 



Medication [med-ik-a'-shiin) [medicatio, medication]. 

 Treatment by, or impregnation with, a medicine. M., 

 Hypodermatic, or Hypodermic, treatment by the in- 

 troduction of medicines beneath the skin, usually by 

 means of a hypodermatic syringe. 



Medicephalic (me-de-sef- al' -ik) [ medius, middle ; 

 Ke(f>a?J/, head]. Median cephalic. See Vein. 



Medicerebellar {tne-de-ser-e-bel' -ar) [medius, middle ; 

 cerebellum, little brain]. Pertaining to the intermediate 

 region of the cerebellum. 



Medicerebral (me-de-ser / -e- bral) [medius, middle; 

 cerebrum, brain]. Pertaining to the central porti 

 the cerebrum. 



Medicinal (med-is'-in-al) [medicina, medicine]. 



taining to, or having the nature of, a medicine. M. 

 Rashes, eruptions on the skin following the internal 

 administration of certain drugs, e. •,-, bromin and 

 the bromids, iodin and the iodids, belladonna, 

 copaiba, chloral, mercury, quinin, the salicj 

 antipyrin and arsenic. 



Medicine (med'-is-in) [medicina, medicine]. 1 he 

 science and art of preserving health, and preventing and 

 curing disease ; the " healing art," including a! 

 science of obstetrics. In a more restricted sense "t the 



