THEBAIN 



1510 



THEORY 



is prepared from leaves that have been dried quickly, 

 having undergone no fermentation. The poorer 

 grades are frequently colored with gypsum, Prussian 

 blue, etc. 



Thebain (the'- ba - in) [O^ai, Thebes], C 19 H 21 N0 3 . 

 Called also paramorpkin — a poisonous alkaloid found 

 in opium, consisting of silvery plates, melting at 193 

 C, with an acrid taste and analogous to strychnin in 

 its physiologic effects. It is a powerful tetanizer, ex- 

 alting the activity of the cerebro-spinal centers. Unof. 



Thebaism (l/w'-ba-izm) [Qrjfiai, Thebes]. The condi- 

 tion induced by thebain or paramorphin. 



Thebesius, Foramina of. See Foramina, Table of 



Thebolactic Acid (theb-o-lak'-tik). See Acid. 



Theca (the' -hah) [Or/nr/, a case, box: pi. , Thecte\. In 

 biology, a case, sac, capsule, or sheath, as a sporan- 

 gium or anther-cell. T. cerebri, the cranium. T. 

 cordis, the pericardium. T. vertebralis, the invest- 

 ing membranes of the vertebral cord, with tubular pro- 

 cesses to each of the spinal nerves. 



Thecal (the'-kal) \_0'/kt], a case]. Pertaining to the 

 theca. T. Abscess, tenosynovitis, paronychia, or 

 whitlow. 



Thecaphore (the'-kafor) \0fjiaj, case ; <t>6(Jog, bear]. See 

 Gynophore. 



Thecasporal {the- has -po'-ral) [Btjkii, case; cnopa, 

 spore] . Thecasporous. 



Thecaspore (the' -kas-por) [(Itjuti, case; airopd, spore]. 

 In biology, a spore formed in the interior of a sac- 

 like cell ; the theca or ascus ; an ascospore. 



Thecasporous (the - has - po' '- rus) [Of/icq, case; cnopa, 

 spore]. Having thecaspores. 



Thecate (the' '-hdt)[0r/K7}, a case]. In biology, sheathed ; 

 held within a theca, or furnished with a theca. 



Theciferous (the-sif'-er-us) [prim], case ; ferre, to bear]. 

 Bearing thecse. 



Theciform (the'-sif- orni) \6tjktj, case ; forma, form]. 

 Resembling a theca. 



Thecitis (the-si'-tis) [drjarj, case; trig, inflammation]. 

 Inflammation of tendons and their sheaths, or of any 

 fibrous sheath. 



Thecodont (the' -ko-dont ) [dijuri, case ; bSovg, tooth] . 

 Having the teeth covered or sheathed in alveoli. 



Thecostegnosis (the - ko - steg - no'- sis) [dym/, sheath ; 

 areyvdetv, to contract]. The shrinking or contraction 

 of the sheath of a tendon. 



Theden's Bandage. See Bandage. . 



Theic (the'-ik) \_thea, tea] . A tea-drunkard ; an im- 

 moderate user of tea. 



Thein (ihe'-in). See Tea. 



Theism (the'-izm) \thea, tea]. The morbid condition 

 due to the excessive use of tea. It is characterized by 

 headache, palpitation of the heart, tremor, insomnia, 

 cachexia, etc. 



Thelalgia (the-lal'-je-ah) [drjlr], nipple ; aAyog, a pain]. 

 Pain in the nipples. 



Thelasis, Thelasmus (thel'-as-is, thel-az' -mus) \W]7mo- 

 p6g, a sucking]. The act of sucking. 



Thelitis (the-li'-tis) \tirfki], nipple; trig, inflammation]. 

 Inflammation of the nipple. 



Thelium (the'-le-um) [ft?2.#, nipple]. A papilla; also, 

 a layer of cells. 



Theloncus (the-long'-kus) [Oj/Aij, nipple ; bynog, tumor]. 

 Tumor of the nipple. 



Thelothism (the' '- lo - thiztn) [OtjAtj, nipple; udteiv, to 

 push]. Projection of the nipple, caused by contrac- 

 tion of the transverse muscular fibers. 



Thelyblast (thel'-ib- last) \0ijlvg, female; /?/Wr<5c, 

 germ]. In biology, the female element of the bi- 

 sexual nucleus (or genoblast ) of a cell ; a mother-cell. 

 Cf. Arsenoblast. 



Thelycum (thel' -ik-um) [pf/Avg, female: pi., Thelycd]. 



In biology, a structure on the ventral surface of the 

 perion of certain crustaceans ; peculiar to the females. 



Thelygonia (thel-ig-o'-ne-ah). See Nymphomania. 



Thelymania (thel-im-a' -ne-ah) [f)7jXvq, woman ; 1 

 madness]. Satyriasis. 



Thelytocous (the-lif -o-kus) \dfj7xg, female ; tske'iv, to 

 bear]. In biology, producing females only. 



Thelytoky (the-lif -o-ke) [OrjAvg, female ; tekuv, to bear, 

 produce]. In biology, caused and conditioned by an 

 over-supply of females. 



Thenad (the'-nad) [devap, palm]. Toward the thenal 

 side or aspect. 



Thenal (the'-nal) [Oivap, the palm]. Pertaining to the 

 palm or the sole ; also, toward the palm. 



Thenar (the'-nar) [Oevap, palm]. The palm of the 

 hand ; also, the sole of the foot. 



Thenard's Blue. Same as Cobalt Blue. 



Thenen (the'-nen) \0evap, palm]. Belonging to the 

 thenar aspect in itself. 



Theobroma (the - - bro'- mah) \0eog, a god ; fipupa, 

 food]. A genus of sterculiaceous plants of tropical 

 America. T. cacao is the cacao-plant, or chocolate- 

 tree. See Chocolate, Cacao. T., Ceratum, " red 

 lip-salve," cacao-butter, white wax, aa 35 ; oil of 

 almond 30; oil of rose, to flavor, and carmin to color, 

 aa q. s. T., Oleum, butter of cacao. The fixed 

 oil of the seed of the chocolate-tree, T. cacao. 

 It consists mainly of stearin with a little olein, and 

 is demulcent, not becoming rancid. It is used in 

 making suppositories. 



Theobromin, Theobromina (the-o-bro'-min, thc-o-bro- 

 mi'-nah) [Beog, a god ; fipupa, food : gen. , Theobro- 

 mine], C 7 H 8 N 4 2 . A feeble alkaloid obtained from 

 Cacao-butter. It is a white, crystalline powder, with 

 a bitter taste, but no odor. It is insoluble in water, 

 alcohol, ether, chloroform, etc. , when cold. It is said 

 to have about the same effect upon the system as caf- 

 fein and thein. 



Theolin (the'-olin). Same as Heptane. 



Theomania (the-o-tna' -ne-ah) [debg, a god; pavia, mad- 

 ness]. Religious mania; insanity in which the 

 patient believes himself to be a divine being. 



Theomaniac (the-o-ma'-ne-ak) [tieog, a god ; pavia, mad- 

 ness]. One who is affected with theomania. 



Theopathy (the-op'-ath-e) [Oeog, a god; Ttddog, disease] 

 Cure by prayer. 



Theophyllin (the-o-fil ' -in) \thea, tea, tyvXkov, leaf]. 

 C,H 8 N 4 2 . An alkaloid discovered in tea. It is 

 isomeric with the base obtained from cacao (theobro 

 min) and with paraxanthin, but differs from them in 

 its reactions. 



Theoretic, Theoretical (the-o-ret'-ik, the-o-ret'-i 

 \piuprrriK.6g\ Based on theory ; speculative. 



Theory (the'-o-re) [deupia, a view]. The abstract 

 principles of a science. Also, a reasonable supposi- 

 tion or assumption, generally one that is better de- 

 veloped and more probable than a mere hypoi' 

 T., Cohnheim's (of Inflammation). See /'.. 

 Samuel's. T., Darwin's. See Darwinism, Nee- 

 Danvinism, Evolution. T., Fluss* (of In flam tn 

 See T, Landerer's. T., Hammarsten's ; that I 

 coagulation of the blood is due to the decoinpoMiion 

 of a substance called fibrinogen, which is dissi 

 in the blood-plasma. This decomposition is brought 

 about by the agency of the fibrin -ferment, which is tin 

 product of the disintegration of the colorless corpu 

 The most important product of this action is the com 

 paratively insoluble material called fibrin. T.. 

 Lamarckian ; the doctrines based upon the teachings 

 of the French naturalist, J. B. P. A. de Monet 

 marck (1744-1829), who attempted to explain tb 

 gressive evolution of nature by virtue of an inheren. 



