AURAL 



150 



AUSCULTATION 



current of air rising from the limbs or body to the 

 head ; a frequent forerunner of an epileptic attack, — 

 aura epileptica. Also applied to any slight symptom 

 preceding an attack of any disease or paroxysm, as the 

 aura hysterica, aura vertiginosa, etc. A. seminalis 

 theory, a theory of Swammerdam, who, observing a 

 strong odor from drone bees, supposed that this, per- 

 meating the body of the queen, fertilized the eggs. 



Aural (aw'-ral) [auris, the ear]. Relating to the ear 

 or to hearing. A. Vertigo. See Meniere' 's Disease. 



Aurally (aw'-ral-e) \_auris, the ear]. By means of the 

 ear. 



Auramin (aw' -ram-in) \_aurum, gold ; amin\. Yellow 

 Pyoktanin, a. v. ; a yellow anilin color used to some 

 extent as a bactericide and preventive of suppuration. 

 Unof. See Conspectus of Pigments, under Pigment. 



Aurantia (aw-ran' -she-ah) [aicrantium, an orange]. 

 An orange coal-tar dye ; an ammonium salt of hexa- 

 nitro-diphenyl-amin. The use of this dye has been 

 said to produce skin-diseases. See Conspectus of 

 Pigments, under Pigment. 



Aurantium (aw-ran' -ske-um) [L. : gen., Aurantif\. 

 Orange. The fruit of Citrus vulgaris and C. auran- 

 tium. Both the flowers and the rind of the fruit are 

 employed in medicine. The volatile oil from the rind 

 is aromatic and a mild tonic but is used mainly as a 

 flavor. A. amara, Ext. Fid., bitter orange peel, alco- 

 hol, and water. Used as a flavor. Dose 3 ss-j. A. 

 amara, Tinct., bitter orange peel 20, dilute alcohol, 

 q. s. ad 100. Dose 3J-ij. A. corticis, Ol., the vola- 

 tile oil expressed from the rind of the orange. Dose 

 gtt. j-v. A. dulcis, Tinct., sweet orange peel 20, 

 dilute alcohol, q. s. ad loo. Dose 3J-1J. A., Elixir, 

 oil of orange I, sugar 100, alcohol and water, q. s. ad 

 300. A. flores, Aq., fresh orange flowers 40, water 

 200. Distil to 100 parts. A. florum, OL, " oil of 

 neroli," a volatile oil distilled from fresh orange 

 flowers. Dose gtt. j-v. A. florum, Syr., sugar 85, 

 orange-flower water q. s. A flavoring-agent. A., 

 Infus. (B. P.). Dose ^j-ij. A., Infus., Comp. 

 (B. P.). Dose ^j-ij. A., Spt., oil of orange 6, 

 alcohol 94. Dose according to quantity of alcohol 

 desired. A., Spt., Comp., oil of orange-peel, 20, oil 

 of lemon 5, oil of coriander 2, oil of anise 5, deodor- 

 ized alcohol q. s. A., Syr., sweet-orange peel, precipi- 

 tated calcium phosphate, each 5, sugar 70, alcohol and 

 water q. s. A., Tinct. (B. P.). Dose fjj-ij. A., 

 Tinct. Recentis (B. P.), tinct. of fresh orange-peel. 

 Dose^j-ij. A.,Vinum(B P.), 12 per cent, of alcohol. 



Auricle (aw'-rik-l) [auricula, the outer ear]. The 

 pinna and external meatus of the ear. The auricles 

 of the heart are the two cavities between the veins and 

 the ventricles. See Circulation, and Heart. 



Auricular (aw-rik' -u-lar) [auricula, the outer ear]. 

 Relating to the auricle, or to the ear ; as the auricular 

 nerve, arteries, veins, etc. The Auricular arteries, 

 anterior and posterior, are branches of the temporal 

 and external carotid, supplying the auricle of the ear. 

 A. Finger, the little finger. A. Fissure. See 

 Fissure. A. Foramen, the outlet of the meatus of 

 the ear. A. Lymphatics, small lymphatic glands 

 near the upper end of the sterno-mastoid muscle. A. 

 Point, the central point of the auricular foramen. 

 See Craniometrical Points. 



Auriculars (aw-rik' -u-larz) [auricula, the ear]. In 

 biology, the feathered area that conceals the ears in 

 most birds ; regio-auricularis. 



Auriculo-bregmatic (aw-rik' -u-lo-breg-ma/' -ik) [auri- 

 cula, the ear ; (iptyfia, a soft spot]. Relating to the 

 auricle and to the bregma. 



A\iric\\\o-occvpi\.a\(aw-rik'-u-lo-ok-sip'-it-al)[auricula, 

 the ear ; occiput, the back of the head] . Pertaining 



both to the ear and the back of the head. A. Trian- 

 gle. See Triangle. 



Auriculo-parotidean (aw-rik' -u-lo-par-ot-id' -e-an) [au- 

 ricula, the ear; Truptorlg, the parotid gland]. Relat- 

 ing to the auricle and to the parotid gland. 



Auriculo-temporal (aw-rik' -u-lo-tem' -po-ral) [auric- 

 ula, the ear; tempora, the temples]. Relating to the 

 auricle and to the temporal region. A. nerve, a 

 branch of the inferior maxillary, supplying superficial 

 parts about the auricle. 



Auriculo-ventTiculaT(aw-rik'-u-lo-ven-trik'-u-lar)[au- 

 ricula, the ear ; ventriculus, the ventricle] . Relating 

 to an auricle and a ventricle of the heart. A. open- 

 ing, the opening between the auricles and the ventri- 

 cles of the heart. 



Auriform (aw' -rif-orm) [auris, the ear; forma, shape]. 

 Ear- shaped. 



Aurigo (aw-ri'-go) [L. ] . An incorrect form of the word 

 aurugo. 



Aurilave (aw'-ril-m<) [auris, the ear; lavare, to wash] . 

 An ear-brush or ear-sponge mounted upon a handle. 



Aurin (aw'-rin) [aurum, gold], C 19 H u 3 . Pararosolic 

 acid ; a body produced on boiling the diazo-hydro- 

 chlorid of para-rosanilin with water. It dissolves in 

 glacial acetic acid and alcohol, crystallizes in dark-red 

 needles or prisms with metallic luster, and decomposes 

 when heated above 220 . It is a dye-stuff used in 

 printing calicoes and woolens, and for pigments, and 

 produces orange-red colors. See Conspectus of Pig- 

 ments, under Pigment. 



Auripigment(aw-rip-ig'-ment )[auripigmentum , golden 

 pigment]. See (Jrpiment. 



Auripuncture (aw'-re-punkt-chur) [auris, ear; punc- 

 tura, puncture]. Surgical or traumatic puncture of 

 the membrana tympani. 



Auris (aw'-ris) [L.]. The ear. 



Auriscalp (aw'-ris-kalp) [auris, the ear ; scalpare, to 

 scrape]. An ear-pick or probe for the ear. 



Auriscope (aw'-ris-kop) [auris, the ear ; anoneiv, to 

 examine]. An instrument for examining the ear, and 

 especially the Eustachian passage ; an otoscope. 



Aurist (aw'-rist) [auris, the ear]. A specialist in dis- 

 eases of the ear. 



Aurugo (aw-ru'-go) [L.]. Yellowness; jaundice; 

 icterus. 



Aurum (aw' -rum) [L. :• gen. , Auri~\. Gold. Au=? 

 196.7; quantivalence, in. One of the metals char- 

 acterized as "noble" by the ancients, because of its 

 weight and luster. It has a brilliant yellow color and 

 will not tarnish. The metal is sometimes used as a 

 plate on which artificial teeth are set. The chlorid 

 locally is an escharotic. Internally its action resem- 

 bles that of mercuric chlorid. In small doses it pro- 

 motes digestion and stimulates the functions of the 

 brain ; in large doses it is a violent poison. It is useful 

 in certain forms of dyspepsia, hypochondriasis, amen- 

 orrhea, and functional impotence. Poisoning is 

 treated by albumen (eggs) or flour, and evacuation 

 of the stomach. A. brom., AuBr 3 , is used in epi- 

 lepsy and migraine. Dose gr. -fa— \. A. et sodii 

 chlor., soluble in water. Dose gr. -jVtV A. chlo- 

 ridum (unof.). Soluble. Dose gr. ^jr-sV Oold 

 chlorid is also valued as a stain for sections of brain- 

 tissue and of nerve-ganglia ; it has been vaunted as a 

 cure for the alcoholic habit. 



Auscult, or Auscultate (aws-kulf ; aws'-kul-tdt) [aus- 

 cultare, to listen to]. To perform or practise ausculta- 

 tion ; to examine by auscultation. 



Auscultation (aws-kul-ta' -sli un) [auscultarc, to listen 

 to]. A method of investigation of the functions and 

 condition of the respiratory, circulatory, digestive, and 

 other organs by the sounds they themselves give out, or 



