EMBRYOCARDIA 



420 



EMMENAGOGUE 



Embryocardia (em-bre-o-kar^-de-ah) [ififipvov, embryo ; 

 KapSia, the heart]. An affection of the heart, char- 

 acterized by a heart-beat like that of a fetus. It is 

 usually associated with tachycardia, and a condition 

 of collapse and cyanosis. See Cyematocardia. 



Embryoctony {em-bre-ok' -to-ne) [ififipvov, embryo ; 

 kts'ivelv, to kill]. The destruction of the living fetus ; 

 the procurement of abortion. 



Embryogenesis (em-bre-o-jen' '-es-is), Embryogeny 

 (e?n-bre-oj'-en-e) [ififipvov, an embryo ; ysvr/g, produc- 

 ing]. That department of biology which deals with 

 the development of the fecundated germ. 



Embryograph (em' ' -bre-o-graf) [ififipvov, embryo ; 

 ypcupEiv, to write] . A form of microscope and camera 

 lucida for use in drawing outlines and figures in em- 

 bryologic study. 



Embryography (em-bre-og* '-ra-fe) [ififipvov, embryo ; 

 ypacpsiv, to write]. A description of embryos. 



Embryologic (em-bre-o-loj'-ik), Embryological (em- 

 bre-o-log'-ik-al) [ififipvov, embryo; 7,6yog, science]. 

 Relating to embryology. 



Embryologist (em-bre-ol'-o-jist ) [ififipvov, embryo ; 

 ?.6yog, science]. One skilled in the science of em- 

 bryology. 



Embryology (em-bre-ol'-o-je) [ififipvov, embryo ; XSyog, 

 science]. The science of the evolution of the em- 

 bryo, or the study of fetal development. 



Embryon (em'-bre-on). Same as Embryo. 



Embryonal (em-bre-o' -nal). Same as Embryonic. 



Embryonic (em-bre-on' -ik) [ififipvov, embryo]. Per- 

 taining to the embryo. E. Area, in embryology, 

 an opaque circular spot that forms on the blastoderm. 

 E. Connective Tissue, the primitive condition of 

 connective tissue when first formed, consisting of 

 small, round cells. E. Spot. See E. Area. 



Embryotega (em-bre-of '-e-gah) [ififipvov, an embryo ; 

 rsyog, a roof]. In biology, a small lid or cap cover- 

 ing the micropyle in certain seeds. 



Embryotome (em' ' -bre-o-tom) [ififipvov, embryo ; tout], 

 section]. An instrument used in embryotomy. 



Embryotomy (em-bre-of -o-me) [ififipvov, embryo ; 

 TOfir), section]. An operation for reduction of the size 

 of the fetus to render possible its transmission through 

 the birth-canal. See Cephalotripsy , Cranioclasm, 

 Basiotribe, Basilyst, Decollation, Decapitation, Exen- 

 teration, Evisceration, Lamination, Perforation , Spon- 

 dylotomy, Transforation. 



Embryotoxon (em-bre-o-toks'-on) [ififipvov, embryo ; 

 rdtjov, a bow] . A condition resembling arcus senilis, 

 sometimes seen at birth. 



Embryotrophe (em' ' -bre-o-trof) [iufipvov, the embryo ; 

 rpo<j>r/, nourishment]. In biology, the food-yolk. 



Embryotrophy (em-bre-of -ro-fe) [iufipvov, embryo; 

 rpotpr), nourishment]. The nutrition of the fetus. 



Embryulcia (em-bre-ul / -se-a/i)[ififipvov, embryo ;eXkeiv, 

 to draw]. I. Forcible extraction of the fetus. 2. 

 The operation of embryotomy 



Embryulcus (em-bre-ul'-kus) [sfifipvov7iK6g~[. A blunt 

 hook, or obstetric forceps. 



Emerald-green. See Chrome-green, Mittler's Green, 

 Schweinfurt Green, Brilliant Green. 



Emergence (e-mer' 'fens) [e, out ; mergere, to merge ; 

 to rise out]. In biology, one of those structures 

 occurring in higher plants, analogous to hairs, but 

 differing from true hairs in not originating from 

 single epidermal cells ; they constitute a transition 

 between trichomes in the stricter sense of the term, 

 and leaves or secondary axes. 



Emergency (e-mer' '-jen-se) [emergere, to rise up]. A 

 sudden, pressing, and unforeseen occasion for action ; 

 an accident or condition unlooked for, and calling for 

 prompt decision. 



Emergent (e-mer'-jent) [emergere, to rise up]. Sud- 

 den, unforeseen, and urgent ; calling for prompt de- 

 cision and action ; as an emergent case. 



Emerod (em'-er-od). See Hemorrhoid. 



Emesis (enf -es-is) [i/iEaig ; s/iisiv, to vomit]. Vomiting. 



Emetatrophia (e-met-at-ro'-fe-ah) [i/isaig, vomiting; 

 arpofyia, wasting]. Atrophy or wasting, due to per- 

 sistent vomiting. 



Emetic (e-mef-ik) [Efisrindg, causing vomiting]. I. 

 Having the power to induce vomiting. 2. An agent 

 causing emesis, or a dose of such an agent. E., 

 Direct, one acting directly on the nerves of the 

 stomach. E., Indirect, or E., Systemic, one acting 

 through the blood upon the vomiting-center, or by re- 

 flex action from other peripheral sources. 



Emeticology. See Emetology. 



Emetin (em f -et-in). See Ipecacuanha. 



Emeto-catharsis (em* '-et-o-kath-ar' -sis) [ifismg, vomit- 

 ing; KadaipEtv, to purge]. Vomiting and purgation 

 at the same time, or produced by a common agent. 



Emeto-cathartic (em' ' -et-o-kath-ar' '-tik ) [i/isaig, vom- 

 iting; KaOaipsiv, to purge]. Having power to induce 

 emeto-catharsis. 



Emetology (em-et-of-o-je) [ifisrog, vomiting; Aoyog, 

 science]. The study or science of the physiology, 

 pathology, and therapeutics of vomiting, and of the 

 nature of emetics. 



Emetomania (em-et-o-ma' '-ne-ah ) [ifisrog, vomiting ; 

 fiavin, madness]. Insane desire for frequent emetics. 



Emetomorphin (em-et-o-mor 1 '-fin) [ifisrog, vomiting ; 

 Morpheus, the god of sleep]. Apomorphia. 



Emetophobia (em-et-o-fo' '-be-ah ) [ifisrog, vomiting ; 

 (p6fiog, fear] . Morbid dread or fear of vomiting. 



Emiction (e-mik'-shun) [e, out ; mingere, to void 

 uri n e ] . Uri nation . 



Emictory (e-mik' -tor-e) [e, out; mingere, to void 

 urine]. I. Promoting the secretion of urine. 2. A 

 diuretic medicine. 



Emigration (em-ig-ra' '-shun) [e, out ; migrare, to wan- 

 der] . The outward passage of a wandering-cell or leu- 

 kocyte through the wall of a blood-vessel ; diapedesis. 



Eminence (enf-in-ens) [eminentia, an eminence]. 

 A rounded or protuberant part of an organ, especially 

 of a bone. E., Canine. See Canine. E., Col- 

 lateral, a triangular elevation in the paracele (lateral 

 ventricle) collocated with the collateral fissure and be- 

 tween the hippocamp and the calcar. E. of Doyere. 

 See Doyere and Sarcoglia. E. facialis, an eminence 

 in the angle formed by the striiB and sulcus ventriculi. 

 E., Frontal, the two eminences of the frontal bone 

 above the superciliary ridges. E., Ilio-pectineal, a 

 ridge on the upper surface of the pubic bone. E., 

 Nasal, the prominence above the root of the nose 

 between the superciliary ridges. E., Occipital, the 

 ridge in the paracele (lateral ventricle) corresponding to 

 the occipital fissure ; distinct in the fetus, it is com- 

 monly obliterated in the adult ; also called bulbufl 

 comu posterioris. E., Parietal, the eminence of the 

 parietal bone. 



Eminential (em-in-en'-shal) [eminentia, an eminence]. 

 Relating to an eminence. 



Emissarium (em-is-a'-re-um) [L.]. A term for any 

 canal or channel conveying a fluid outward. It is 

 applied especially to the veins of the skull. 



Emission (e-mish f -un) [emittere, to send forth]. An 

 ejaculation, or sending forth. 



Emmena (em-e'-nah) [in/tijva, menses]. Menses, i/.r. 



Emmenagogue (em-en* -ag-og) [Ififtrjva, the menses ; 

 ayuydg, leading]. A medicine that stimulates tin- 

 menstrual flow. E., Direct, one acting directly <>n 

 the generative organs. E., Indirect, one acting only 

 through other functions and indirectly. 





