ATHORACOCEPHALUS 



104 



ATRETOSTOMIA 



Athoracocephalus {ah-thor-ak-o-sef'-al-us). See Ceph- 

 alogaster (Illus. Diet.). 



Athyrea, Athyria {ah-thi'-re-ah) [a, priv. ; thyroid]. 

 The condition arising from absence of the thyroid 

 gland or elimination of its function. Syn., Myxedema. 

 Cf. Thyreoprivus. 



Athyreosis {ah-thi-re-o' '-sis). Atrophy or absence of 

 the thyroid gland and the pathologic condition conse- 

 quent upon elimination of its function. 



Athyroidea (ah-thi-roid'-e-ah). Absence of the thy- 

 roid gland. 



Athyroidemia (ah-thi-roid-e / -me-ah). Davel's name 

 for myxedema. 



Athyrosis (ah-thi-ro f -sis). See Athyreosis. 



Atisin {at'-is-in) \_Atis, Indian name for Aconitum~\. 

 C^H^NjOg. An alkaloid derived from Aconitum 

 h eteroph vllu m , Wall. 



Atloaxoid (atdo-aks'-oid). Relating to atlas and axis; 

 atlantoaxial. 



Atmiatria, Atmiatrics. See Atmiatry (Illus. Diet.). 



Atmic (at'-mik) \arp6r, vapor]. Relating to, due to, 

 consisting of vapor. 



Atmidalbumin [at-viid-aP '-bu-viin). A substance 

 standing between the albuminates and the albumoses, 

 obtained by Neumeister at the same time with atmid- 

 albumose. 



Atmidalbumose (at-mid-a/'-bu-moz). Neumeister's 

 name for a body obtained by the action of superheated 

 steam on fibrin. 



Atmidometrograph (at-mid-o-met'-ro-graf) [tirade, 

 vapor: pirpov, a measure; ypayeiv, to write]. A 

 self- registering atmidometer. 



Atmiometer {at-mi-om'-et-ur). A closed cabinet with 

 apparatus for treating diseases by means of atmiatry. 



Atmismometer {at-mis-mom'-et-ur). See Atmometer 

 (Illus. Diet.). 



Atmisterion (at-mis-te / -re-o/i). See Vaporarium (Illus. 

 Diet.). 



Atmocausia, Atmocausis {at-mo-katt/se-ah, -sis) 

 \_a,Tfi6g, vapor; navoic, a burning]. Therapeutic cau- 

 terization with steam by means of an atmocautery. 



Atmocautery {at-mo-kan< > '-tur-e). A double-channeled 

 intrauterine catheter provided with fenestras in both 

 tubes. 



Atmography (at-mog'-raf-e) [ar/idr, vapor ; ypdoeiv, to 

 write]. A description of vapors and evaporation. 



Atmokausis, Atmokautery. See Atmocausis, Atmo- 

 cautery. 



Atmology (at-mo/'-oj-e) [arpoc, vapor ; "Aoyac, science]. 

 The science of vapors and evaporation. 



Atmolysis (at-mo/ / -is-is) [iirpoc, vapor; Avoir, loosing]. 

 A method discovered by T. Graham (1808-1869) of 

 separating the ingredients of mixed gases or vapors by 

 means of their different diffusibility through a porous 

 substance. 



Atmolyzer (at-mo/-/ v -zur). An apparatus for sepa- 

 rating gases by diffusion. 



Atmosphere. (See Illus. Diet.) Syn., Aerospkere. 

 2. The pressure exerted by the earth's atmosphere at 

 the level of the sea; it is about 15 pounds to the 

 square inch or I kilogram to the square centimeter. 3. 

 In chemistry, any special gaseous medium encircling a 

 body. 4. The climatic state of a locality. 



Atmospherilia, Atmosphaerilia (at-mos-fcr-it'-c ah). 

 A collective name for the chemie constituents of the 

 atmosphere. 



Atmospherization (at-mosfer-iz-a'-shtni). The con- 

 version of venous into arterial blood by the assumption 

 of oxygen. Cf. Dearterialization. 



Atmospherology [at-mos-fer-ol'-o-je) [atmosphere : 

 >!/,<>< BcienceJ, Toe science of atmospheres. 



Atmostatics (at-mo-stat'-ihs) [iiriiiie, vapor ; trrarwcrff, 



standing]. The sum of what is known concerning 



gases in equilibrium. 

 Atmotherapy [tit-mo-ther' -ap-e) [arpoc, vapor ; Oea 



therapy]. A name given by Fitres to the treatment of 



certain tics by methodic reduction of respiration. 

 Atomician [at-om-ish'-an). See Atomist. 

 Atomism (tit'-om-izm) [«, priv.; ri/uveiv, to cut]. 1 



The science of atoms. 2. The theory that the univers 



is composed of atoms. 

 Atomist (at'-om-ist). One who believes in atomism 

 Atomistic {at-om-is'-tik). I. Relating to or con 



of an atom. 2. Relating to atomism. 

 Atomistics (at-o///-is / -ti/cs). See Atomism. 

 Atomology (at-om-oF-o-je) \_aropoc, an atom ; 



science]. The science of atoms ; atomism. 

 Atony. (See Illus. Diet.) A. of the Uterus 



Wigand's second degree of diminished action of tl 1 



uterus in parturition, marked by too infrequent, weal 



and imperfect contractions. Syn., Adynamia uteri. 

 Atoxogen (ah-toks' '-o-jeu) [«, priv.; to£ikov, ; 



yevvav, to produce]. A defensive substance re>er 



bling the enzymes and chemically allied to toxins ai 



antitoxins prepared from the adrenals and spleen ( 



the horse. 

 Atoxyl (at-ohs'-i/). See Anilidtnetarsenite. 

 Atrabilarian {at-ra-bil-a' -re-an) \j-Tter, black: 



bile]. A melancholy person, subject to biliary d 



orders. 

 Atrabilarious, Atrabilious {at-ra-bil-a'-re-us, 



bil'-yus). See Atrabiliary (Illus. Diet.). 

 Atrabilin (at-ra-bil'-in). A preparation of supn 



capsule ; it is used in eye-diseases. 

 Atrability {at-ra-bil'-it-e). The state of beini; 



biliary. 

 Atrachelia (ali-trak-e' ' -le-ah) [n, priv.; Tpaxito 



neck]. Absence or exceeding shortness of the nei| 

 Atrachelocephalus \ah-trak-el-o-sef f -al-us)\i 



without a neck ; Kt6a/.i/, the head]. I. Affected wj 



atrachelia. 2. A monster with no neck or an abnj 



mallv short one. 

 Atrachelous {ah-trak'-el-its). Having no neck 01 



a very short one ; also, beheaded. 

 Atractenchyma {at-rakt-en' -ki-mah) ['*'"' 



spindle; iv, in; x* lv > to pour]. A tissue consist] 



of spindle-cells. 

 Atractoid (at-rakf -o>d). Spindle-shaped. 

 Atractylate (at-rakt'-il-dt). A salt of atractylic 1 

 Atractyligenin {at-rakt-il-ij'-cn-in). A dissoi 



product of atractylin by action of dilute causl 



with heat. 

 Atractylin [at-rakt'-il-in). C, H. i0 O,.. A gli 



obtained from the poisonous root of Atraa 



mi/era, L. It is a sweet, gum-like substam 



in water and in alcohol. 

 Atramentaceous, Atramentarious, Atramer 



See Atramental (Illus. Diet.). 

 Atretocephalus {ah-tret-o-sef'-al-us) [ii-pr/Tor, im J- 



forate ; KEoa/J/, the head]. A monster with iin • 



folate nostrils or mouth. 

 Atretocormus (ah-trct-o-korm'-us) [■ 



forate; Kopuuq, the trunk]. A monster havii 



more imperforate openings on the trunk. 

 Atretogastria (ah-treto-gas'-tre-ah) | 



forate; yaori/p, stomach]. Imperforation t>l I 



stomach. 

 Atretolemia, Atretolaemia [ah-tret-o-le' me 



iof, imperforate; Aat/ioc, the gullet]. Brescln 



for imperforation of the esophagus or pharynx, 

 Atretorrhinia (ah-tret-or-in'-e-ati) [ijryw/rof, 



rate; pic, the nose]. Nasal atresia. 

 Atretostomia (ah-tret-o-sto'-me-ah) [nrpr/Toc, irni> ; '" 



rate; oro/ia, the mouth]. Imperforation of the M< '■ 



