ATROPIA 



106 



AUDITION 



Pseudohypertrophic, Progressive. See Paralysis, 

 Pseudohypertrophic (lllus. Diet.). A., Myopathic, 

 of Adolescents, Erb's juvenile hereditary form of 

 primary muscular dystrophy. A., Myopathic Mus- 

 cular, that due to disease of the muscles, and not to 

 spinal lesion. A., Necrobiotic. See A., Numerical. 

 A., Nervous, Progressive. See A., Progressive 

 Nervous. A., Neural, wasting of a nerve due to 

 neuritis and sclerosis. A., Neurotic, wasting of a 

 part from disease of the trophic nerves. A., Numer- 

 ical, atrophy of a part with destruction of some of its 

 elements. A., Parrot's, of the New-born, athrep- 

 sia; primary infantile atrophy or marasmus. A., 

 Partial, of the Face. See A., Progressive Unilateral 

 Facial ( lllus. Diet.). A., Pathologic, that due to dis- 

 ease. A., Peroneal. See A., Charcot- Marie 1 s Type. 

 A., Physiologic, the natural atrophy of an organ 

 after its functional activity is concluded. A., Primary 

 Muscular, in Children, primary muscular dystrophy. 

 See A., Idiopathic Muscular (lllus. Diet.). A., 

 Progressive Muscular, of Children, Erb's juvenile 

 hereditary form of primary muscular dystrophy. A., 

 Progressive Muscular, of the Tongue, Palate, 

 and Lips. Synonym of Paralysis, Bulbar (lllus. 

 Diet.). A., Progressive Nervous, Taccoud's name 

 for atrophy of the spinal nerve-roots due to pressure 

 from a deposit of fibrous substance on the spinal arach- 

 noid. A., Pure. See A., Simple (lllus. Diet.). A., 

 Qualitative, degeneration. A., Quantitative. See 

 A., Simple (lllus. Diet.). A. with Rarefaction, 

 atrophy of an organ with increase in size or without 

 decrease. A., Sclerotic, a name for connective tissue 

 found at times deposited in the heart-substance after 

 myocarditis. A., Senile, of the Lungs (Dechambre, 

 1835), atrophic emphysema. A., Simple Brown, 

 a condition of the heart in which the muscle-fibers re- 

 tain their striated appearance, but the muscle-cells are 

 small and contain yellow granules of pigment. A., 

 Simple Infantile. See Marasmus (lllus. Diet.). 

 A., Spinal. See Tabes (lllus. Diet.). A., Sub- 

 acute Red (of the liver), acute cirrhosis of the liver. 

 A., Sympathetic, atrophy of the second member of a 

 pair of organs following that of the first. A., Tooth's 

 Type of. See A., Charcot- Marie' s Type. A., 

 Varicose. See A. , Cyanotic. A., Vulpian's Type 

 of. See Disease, Araii-Duchenne' s (lllus. Diet.). 

 A., White, nerve atrophy, leaving only white con- 

 nective tissue. A., Zimmerlin's Typs of, the scap- 

 ulohumeral type of progressive muscular atrophy dis- 

 tinguished from Erb's type by the absence of secondary 

 lipomatosis. 



Atropia (at-ro'-pe-ah). See Atropin (lllus. Diet.). 



Atropic (at-rop'-ih). Relating to the genus Atropa or 

 to atropin. 



Atropidin (at-rop'-id-in). See Hyoscyamin ( lllus. 

 Diet.). 



Atropin. (See lllus. Diet.) A. Acetate, C,-II.,. ( - 

 N0 3 .C 2 H 4 2 , stellate, pearly prisms, very soluble in 

 water. A. Arsenate, (C ]7 li 23 N(). ( l,I I :i As( \. a white 

 powder containing 19.72', of arsenic and 80.28', of 

 atropin, soluble in water and in alcohol. A. Borate, 

 (C, 7 H 23 N() 3 ) 2 I>/) 7 , white scales soluble in water and 

 alcohol, melting at H3°-ii5° C. It is used in oph- 

 thalmic practice. A. Hydrobromate, C 17 H 2 .,NO s - 

 II Br, white crystals soluble in water and in alcohol. 

 It is used as atropin. A. Hydrochlorate, C, 7 H., :t - 

 NO3IICI, white crystals soluble in water and alcohol, 

 slightly in ether. Used U atropin. Dose, T( Vn — .. l 1 P** 

 (0.00065-0.001 gm.). A. Hydroiodate, ( l7 Il., r 

 NO.llIOj,, is employed in ophthalmic practice in 

 0.5% to 1.5% solution. A. Nitrate, (',.' I 2l N0 3 H- 

 X< > 3 , white crystals soluble in alcohol and water. A. 



Oleate, a 2 c /c solution of atropin in oleic acid; it is 

 soluble in ether, benzene, chloroform, and oils. It is 

 a mydriatic, sedative, and anodyne, and is used as an 

 inunction where remedies cannot be administered by 

 the mouth. A. Salicylate, C 17 H 2S NO 3 C 7 H 6 0.., \ 

 colloidal mass, used as atropin. A. Santonate, a 

 compound of atropin and santonic acid forming a 

 nonhygroscopic amorphous powder, recommended as 

 a mydriatic. A. Santoninate, C 17 H 23 O 3 C 15 H 20 () 4 , a 

 white powder soluble in water, melting at Ii3°-ii5° 

 C. It is used in ophthalmic practice. A. Stearate, 

 C| 7 H : ,3N0 3 C l7 H. 15 CO. OH, fine white needles, greasy 

 to the touch, melting at 120 C, beginning to decom- 

 pose at 170 C, and containing 50.43^, of atropin. 

 It is soluble in ether and in alcohol. Applied in 

 I : 500 oily solution as substitute for oil of belladonna 

 or oil of hyoscyamus. A. Sulfate, (C )7 H 23 NO 

 S0 4 , white masses of neutral reaction, soluble in 0.4 

 part of water and in 6 parts of alcohol, melting at 

 i89°-I9I° C. It is used as atropin. Dose, , 

 gr. (0.C0065-0.0013 gm.). A. Tartrate, (C', 7 H ....- 

 NO 3 ) 2 C 4 H 6 6 , amorphous plates, soluble in water and 

 in alcohol, melting at II3°-II5°C It is used as 

 atropin. A. Valerianate, (C, 7 H 23 NO 3 C 5 H 10 O 

 H 2 0, white crystals soluble in water, in alcohol, and 

 in ether, melting at Ii3°-Il6° C. 



Atropinization (at-ro-pin-i-za / -shun). The production 

 of the physiologic effect of belladonna. 



Atropinum, Atropium (at-ro-pi'-mim, at-ro'-; 

 See Atropin (lllus. Diet.). 



Atroscin (at'-ros-in). C 17 H 21 Xf\,. An alkaloid iso- 

 meric with hyoscin, obtained from Scopolia con 

 Jacq. It has a higher rotary power than hyoscin and 

 is from 2 to 4 times stronger in mydriatic action. 

 Syn., Atrosia. 



Attaint (at-aint') [attingere, to touch by striking]. Ar 

 injury to a horse's leg caused by overreaching. 



Attenuant. (See lllus. Diet.) 2. Increasing thi| 

 fluidity of the blood or other secretions. 3. Lessening 

 the effect of an agent. 



Attenuation. (See lllus. Diet.) 2. The stale of beiml 

 thin. 3. A system of dietetics for correction ol 

 sity. 4. The reduction of the toxicity of a pail 

 microorganism or a virus by successive cultures 

 peated inoculations. 5. The virus or medicine 

 has undergone attenuation. 



Atticoantrotomy (at-ik-o-an-trol'-o-me) [attic ; 

 truni ; rtfivta; to cut]. The opening of the 

 and mastoid process. 



Atticomastoid (at-ik-o-mas'-toid). Relating to th 

 attic and the mastoid. 



Atticotomy (at-ik-ot'-om-e) [attic; rt/nf/v, to cut] 

 Surgical incision of the attic. 



Attidae (at'-ide). A family of jumping spiders, 

 species of which are held to be venomous. Cf. 

 ippus. 



Attitude. (See lllus. Diet.) A., Devergie' 

 Combat^, a posture of a dead body marked by f 

 of the elbows and knees, with closure of the I 

 and extension of the ankles. 



Attraction-sphere. See Sphere of Attraction 

 Diet). 



Attractoelectric (at-raht-o-e-lch'-trih). Havii | 

 power to attract an electric current. 



Attractor (at- rah' -tor). See Aftrahcus (lllus. Hid. 



Auchen (aw f -hen) [al'X'/i; the neck]. The n 

 throat or the constricted pari of any organ. 



Aucheniatria {a'.v-hen-i-a/'-rc-ah) [or \r,r, the tl 

 unptia, a healing]. The therapy of throat disi 



Audition. (See lllus. Diet.) Syn.. .Icusi, 



Acoesis. A., Active, the hearing which occurs il 

 the act of listening. A., Chromatic. 



