ATRAMEN 1 A I , 



1 Vt 



A I RUPIIODKKMA 



( hina and Japan, is stomachic and tonic. A. ovata, 

 of the same regions, is tonic, diuretic, sudorific, and 

 stimulant. 



Atramental [at ram-en'-tal | [atramentum, ink], < >l an 

 inky bla( k color. 



Atremia [ah-tre' '-me-ah) \_<i priv. ; rpi/ieiv, to tremble]. 

 i. An absence of tremor. 2. An hysterical condition 

 in which there is an imaginary inability to walk, stand, 



sit, or read. 



Atreselytria [at-res-el-i' -tre-ah) . See Atretelytria. 



Atresenteria [at rei en te'-re-ah). See Atretenteria. 



Atresia [ah-tre' '-ze-ah) [a priv.; rprjatq, perforation], 

 [mperf oration, either congenital or acquired, of a 

 mal opening or canal, as oi the anus, vagina, meatus 

 auditorius, pupil, etc. The word is often compounded 

 with the name of the organ affected ; <•. ;'. , atrcstocystia, 

 atretenteria, etc., denoting, respectively, imperforal 

 of the bladder, intestine, etc. 



Atresic [ah-tre' -zik) [<i, priv. ; rpfjaig, perforation]. 

 Marked by atresia or imperforation. See Teratism. 



Atresoblepharea [at-res-o-blef-a' '-re-ah) . See tlreto- 

 pharea. 



Atresocysia [at-res-o-sis'-e-ah\- See Atreto.ysia. 



Atresocystia [at-res-o-sis'-te-ah). See Atretocystia. 



Atresogastria [at-res-o-gas' '-(re-ah). .See Atretogastria. 



Atresometria [at-res-o-me'-tre-ah). See Atretometria. 



Atresopia [ah-tres-o 1 '-pe-ah). See Atretopsia. 



Atretelytria [at-ret-el-i' '-tre-ah) [arpr/Toc, imperforate; 

 :'/iT,,)i\ sheath]. Atresia of the vagina. 



Atretenteria [at-ret-en-te / -re-ah) [arpriroc, imperforate; 

 hvrepov, intestine]. Atresia, or imperforation of the 

 intestinal canal. 



Atreto- [at-ref-o). As a prefix, represents the Gr. 

 orpr/roc, imperforated. 



Atretoblepharia [at-ret-o-blef-a' -re-ah) [hrp//Toc, imper- 

 forate ; fl/J<papm' , Yu\~\ . Symblepharon, q. v. 



Atretocysia [al-ret-o-sis' '-e-ah) [arperor, imperforate; 

 KV<j6q, anus]. Atresia of the anus. 



Atretocystia [at-ret-o-sis' -te-ah) [drperoc, imperforate ; 

 Ki'/rrir, bladder]. Atresia of the bladder. 



Atretometria [at-ret-o-me f -tre-ah) [arperor, imperforate ; 

 (iTjTpa, womb]. Atresia of the uterus. 



Atretopsia [at-ret-op 1 '-se-ah) [arpr/rog, imperforate ; u>tp, 

 eye]. Imperforation of the pupil. 



Atrial [a'-tre-al) [atrium, the fore-court, or hall]. Re- 

 lating to an atrium. 



Atrichia [ak-trik'-e-ah) [a priv. ; Opi^, hair]. Loss or 

 absence of the hair. 



Atrichosis [ah-trik-o' '-sii ) [arpexog, hairless] . Failure of 

 the hair to grow ; a condition characterized by absence 

 of hair. 



Atrioventricular [a-tre-o-ven-trik 1 '-u-lar) [atrium, the 

 hall ; ventriculus, ventricle]. Relating both to the 

 atrium (or auricle) and to the ventricle of the heart. 



Atrium [a'-tre-um) [atrium, the fore-court, or hall]. I. 

 That part of the auricle of the heart into which the 

 venous blood is poured. 2. The principal part of the 

 tympanic cavity of the ear, exclusive of the attic. A. 

 cordis, the auricle of the heart. A. vaginae, the 

 vestibule of the vulva. 



Atrocha [ah-tr</-kah) [a priv. ; rpox^i . a wheel]. In 

 biology, wheelless, as certain annelid embryos, roti- 

 fers, etc. ; destitute of cilia. 



Atrolactinic Acid [at-ro-lak-Hn'-ik). See Acid. 



Atropa [af '-ro-pah) [At/to -of, " she who turns not." 

 undeviating ; one of the three Fates, who cut the tin 

 of life, in allusion to the poisonous effects of the plant]. 

 A genus of the natural order Solanacea". A. bella- 

 donna, the deadly nightshade, whence i- obtained 

 atropin. See Belladonna. 



Atropal, or Atropous [af-ro-pal: af-ro-pus). See 

 Orthotropous. 



Atrophia [at i) [a priv.; -••../. nourishment], 



Atrophy, ■ . \ term applied t" a condition marl 

 by wasting or innutrition. A. cordis, atrophy of 

 the heart, following senile changes, or occurring in 

 ne< tie conditions, or a- a r< suit ol pressure ex< rted 

 by mediastinal tumors, etc. A. cutis, Atrophodern 

 a term applied to various changes in tie skin charac- 

 terized by tie- diminution or disappearance of certain 

 oi it- elements, especiall) seen in advanced 

 The -kin becomes thin, loose, wrinkled, and discolored. 

 A. cutis senilis, Senile Atrophoderma; an atrophy 

 of the >kin usually associated with general sign 

 senile degeneration. The « hole skin may !»• affei led, 

 together with its appendages and I utaneous 



tissues. The skin is in folds, -lightly shrunken, 

 wrinkled, and dry. It feels thin, and is transpan m 

 1 -hining. Pruritus i- sometimes present, and there 

 1- usually an increased pigmentation, with warty de- 

 velopments. A. infantum. Synonym oi Tabesmesen- 

 terica. A. mesenterica. Synonym of Tabes m 

 /(■rial. A. pilorum propria, atrophy of the hair, 

 either symptomatic "i" of idiopathic origin. It may 

 be local or generalized. The hair becomes lusti rless, 

 brittle, fibrillated, readily cleft, and readily fractured. 

 A. unguis, atrophy of the nail-; marked by pitting, 

 brittleness, furrowing, thinning, crumbling, etc. It 

 may be symptomatic of such disorders as lepra and 

 syphilis, or it may be idiopathic. 



Atrophic [at-ro'-fik) [« priv.; rpotyij, nourishment]. 

 Pertaining to, affected with, due t". characterized by, 

 or causing atrophy. A. Catarrh, a chronic form of 

 rhinitis in children characterized by marked atrophy 

 and anemia of the pituitary membrane, with the for- 

 mation of crusts in the nasal and naso-pharyngeal 

 cavities anda peculiar and offensive odor. A. Forms, 

 the name suggestedby His for those malformations 

 that are characterized by want of general development, 

 and. in some instances, by subsequent atrophy, 

 whereby all resemblance to the human embryo i- lost. 



Atrophicum melanosis progressiva [at-ro' -fik-um 

 mel-an-o'-sis pro-gres'-iv-ah). See Atrophoderma. 



Atrophied [at'-ro-Jid) [a priv.; Tpoyq, nourishment]. 

 Wasted ; affected with atrophy. 



Atrophoderma [at-ro-fo-der* '-mah) [a priv.; - 

 nourishment ; the skin]. Atrophia cutis, 



atrophy of the skin, a wasting of the skin due to in- 

 nutrition. See Atrophia cutis. A. albidum, a type 

 of xeroderma in which the skin from the middle of the 

 thigh to the sole, more rarely from the upper arm to 

 the palm, i- in places very white, stretched, and diffi- 

 cult to pick up, with the epidermis extremely thinned, 

 faintly glistening, wrinkled, and peeling off in thin, 

 shining flakes. There is extreme sensibility on the 

 finger tips, palm-, and -. les. The condition remains 

 stationary from the earliest childhood. A. neuri- 

 ticum. Glossy Skin; an atrophy of the skin in the 

 area of a nerve affected by disease or injury. It 

 chiefly attacks the extremities. The skin of the 

 ected part becomes very dry, smooth, and glossy, 

 like a thin sear; the fingers are tapering, hairless, and 

 almost void of wrinkles and of a pink or deep-red 

 color. A severe and persistent burning pain precedes 

 and accompanies this condition. The nails become 

 curved both longitudinally and transversely, and there 

 i- some thickening of the cutis beneath the free end. 

 A. pigmentosum. See Xeroderma pigmentosum. 

 A., Senile. See t utis senilis. A. striatum 



et maculatum, an atrophic condition of the -kin of 

 adults characterized by streak- of a pearly or bluish- 

 white color, glistening, -ear like, from one inch to 

 several inches long and a quarter of an inch or more 

 wide, and which follow the natural cleavage of the 



