EGEST 



412 



ELASTOSE 



Egest (e-jesl') [egerere, to discharge]. To void, as ex- 

 crement ; to defecate. 



Egesta (e-jes'-tah) \_pl. of egestum, fecal matter]. The 

 discharges of the bowels or other emunctory organs. 



Egestion (e-jes'-chun) \egestio, that which is voided]. 

 Defecation ; the expulsion of excrements or excre- 

 tion. 



Egg [eg) [ME., egge, an egg]. See Ovule. E.-albu- 

 min, a native albumin, or proteid constituent of the 

 human body, of which the unboiled white of egg is 

 the type. It is distinguished from serum-albumin by 

 its precipitation when shaken with ether, and by its 

 appearance unchanged in the urine when injected 

 under the skin or into the intestine. E. -apparatus ; in 

 biology, the oosphere and the two companion -cells 

 (called the synergidse) in the upper end of the embryo- 

 sac, are termed the egg-apparatus. E. -cells, primordial 

 ova; large, spheroidal, granular cells embedded at in- 

 tervals in the layer of the germ-epithelium of the 

 ovary. They eventually become the ovules of the 

 Graafian follicle. E. -cords, dippings inward into 

 the ovarian substance of the specialized columnar epi- 

 thelium covering the ovary ; these prolongations carry 

 highly-specialized cells, each of which develops into 

 an immature Graafian follicle containing an immature 

 ovum. E.-nog, a nutritious preparation made by 

 adding the beaten yolk of egg and a little spirit to 

 a tumblerful of milk, stirring well, adding sugar and 

 the white of the egg separately beaten. E. -shell 

 Crackling, a peculiar crackling produced by pressure 

 upon a soft tumor springing from the medulla or can- 

 cellated tissue of a long bone, and surrounded by a 

 thin bony capsule. E.-tube. See Oviduct. E.- 

 water, a nutritious food for infants having summer 

 diarrhea. It consists of the white of a fresh egg, a 

 pint of cold water (previously boiled), a teaspoonful 

 of brandy, and a small pinch of salt. 



Egilops (e'-jil-ops) [atf, a goat; urp, eye]. Abscess, 

 with perforation, at the inner canthus of the eye, 

 supposed to be a result of lachrymal fistula. See 

 Anchylops. 



Eglandular (e-glan 1 '-du-lar) \e, priv. ; glandula, a 

 gland]. In biology, destitute of glands. 



Eglandulose (e-glan' -du-los) \e, priv. ; glandula, a 

 gland]. Same as Eglandular. 



Egobronchophony (e-go-brong-koff'-o-ne) [all-, a goat ; 

 Ppfyx ?} a bronchus; <puvq, a voice]. A combina- 

 tion of egophony and bronchophony. 



Egophony (e-goff'-o-ne) [tdf, a wild goat ; (puvi/, the 

 voice]. In auscultation, a term meaning a modifica- 

 tion of bronchophony, in which the voice has a 

 bleating character like that of a kid. It is heard in 

 pleurisy with slight effusion, usually near the inferior 

 angle of the scapula. 



Egregorsis (eg-re-gor' 'sis) [eypr/yopoic ; eyeipeiv, to 

 wake]. Morbid wakefulness ; insomnia. 



Egyptian (e-jip'-shun) \a\y'vxTioe, Egyptian]. Per- 

 taining to Egypt. E. Blue. See Pigments, Conspec- 

 tus of. E. Chlorosis. See Ankylostomiasis. E. 

 Ophthalmia. See Ophthalmia, Purulent. E. Ul- 

 cers. See SEgyptia Ulcera. 



Ehrenritter's Ganglion. See Ganglia, Table of. 



Ehrlich's Anilin-water Solution. See Stains, Table 

 of. E. Method, the use of a saturated solution of 

 anilin in water, as a mordant for better fixing the anilin 

 dyes used in staining bacteria. E. Test. See Tests, 

 Table of . E.-Biondi's Fluid. See Biondi's Fluid. 



Eichhorst's Corpuscles. See Corpuscles. 



Eichstedt's Disease. Synonym of Tinea versicolor, 

 q. v.; see also Diseases, Table of. 



Eidam Cheese (i'-dam). See Cheese. 



Eidoptometry (i-dop-tom' -et-re) [e Moc, appearance ; 



otzteoc, seen; fihpov, measure]. The estimation of 

 the acuity of vision. 



Eilema (i-le'-mah) [«/i^a; elAetv, to twist: pi., Eile- 

 mata~\ . A pain or colic of the bowels ; volvulus ; 

 tormina. 



Eiloid (i'-loid) [d\eiv, to coil; eldor, form]. Having 

 a coiled texture resembling the coils of an intestine ; 

 applied to certain skin-tumors. 



Einbrodt's Test. See Tests, Table of. 



Einhorn's Method. I. A method of ascertaining the 

 condition of the gastric secretion. An apparatus 

 termed a st'omach-bucket, consisting of a small oval 

 silver vessel, i^ cm. long and ^ cm. wide, is at- 

 tached to a silk thread, in which at a distance of 40 

 cm. from the bucket a knot is made. The patient 

 swallows the bucket, and when the knot enters the 

 mouth the operator knows that the bucket is in the 

 stomach. It is withdrawn after remaining there five 

 minutes, and its contents are tested. Resistance to its 

 removal may be overcome by having the patient ex- 

 pire deeply or swallow once. 2. See Gastrodiaphany. 



Eisanthema (ls-an-the' -mah) [eic, into ; avdr//ia, in- 

 florescence : pi. , Eisanthema td\ . Same as Enanthema. 



Eisel (i'-sel) [ME.]. An old name for vinegar. 



Eisodic (is-od'-ik). Same as Esodic. 



Eisophobia (i-so-fo' '-be-ah) . Synonym of Agoraphobia. 



Eisophoria (i-so-fo' -re-ah). Same as Esophoria. 



Eispnea (ts-pne'-ah) [elonvorj, a breathing into]. 

 Inspiration ; the inhaling of the breath. 



Ejaculation (e-jak-u-la' -shun \ejaculatio, a throwing 

 out]. The ejection of the semen. E. -center. See 

 Center. 



Ejaculator (e-jak'-u-la-toi-) \ejaculare, to throw out]. 

 The accelerator urinse. See Muscles, Table of. 



~EJ\2LC.xAaXoT\yz.rn.(e-jak-u-la-to'-re-iini) [L.]. A syringe. 



Ejaculatory (e-jak' f -u-la-tor-e) \ejaculatio, a throwing 

 out]. Throwing. E. Duct. See Ductus e/aculatorius. 



Ejecta, or Ejectamenta (e-jek'-tah, e-jek-tam-en'-/ah) 

 [L. ,pl.\ Things or materials cast out; excretions or 

 excrementitious matters. 



Ejection (e-jek'-shun) \_ejectio, a casting out]. The 

 casting out of excretions or of excrementitious matters ; 

 that which is cast out. 



Elaboration (e- lab -or -a' -shun) \elaborare, to take pains 

 with]. Careful and exact working. In physiology, 

 any anabolic process, such as that of making crude 

 food into higher tissue -products. 



Elaidic Acid (e-la-id'-ik). See Acid. 



Elaidin (e-la' -id-in) [eAaic, the olive-tree], C 57 H 1(U 6 . 

 A white, crystalline, fatty substance, isomeric with 

 olein, produced by the action of HN0 3 upon certain 

 oils, especially castor-oil. 



Elain (e-la' -in). See Eleoptene. 



Elaphrium (e-la' -fre-um) [kla^p6c, light]. A genus 

 of burseraceous trees. E. copalliferum produces a 

 variety of copal. E. elemiferum is one of the 

 sources of Mexican elemi ; E. excelsum and E. to- 

 mentosum, of South America, afford tacamahac. 



Elastic (e-las'-tik) [kT^abveiv, to urge forward]. Re- 

 turning to the original form after change of form by 

 external traction or force. E. Bandage, an India 

 rubber bandage exerting continuous compression <>l a 

 part. E. Stocking, an India-rubber stocking exert- 

 ing continuous pressure. E. Tissue, a variety of 

 connective tissue having elastic properties, ami of 

 which some ligaments are composed. 



Elastin (e-las'-tin) [t'/a'vvetv, to urge forward]. An 

 albuminoid substance, the fundamental element of 

 elastic tissue. It yields 36 to 45 per cent, of leucin 

 and Y z per cent, of tyrosin. E. -peptone. See 

 Deutero-elastosi-. 



Elastose (e-las'-tos) [ilavveiv, to urge forward]. < toe 



