ECPHYSESIS 



408 



ECTOPAGUS 



Ecphysesis (ek-fiz-e'-sis) [e/c, out ; (pvaavsiv, to blow]. 



Rapid breathing. 

 Ecphysis (ek'-fis-is) [ek, out; <j>voig, growth]. In 

 biology, applied by Bate to the branch of any particu- 

 lar crustacean limb ; as coxecphysis, a branch spring- 

 ing from the coxa; basecphysis, a branch springing 

 from the base. 

 Ecptoma (ek-to'-mah) [ek, out; ttittteiv, to fall: pi. , 



Ecptomata~\. Any falling of a part or organ. 

 Ecpyesis (ek-pi-e'-sis) [ek, out ; irvelv, to suppurate : pi., 

 Ekpyeses\ I. Any suppuration or abscess. 2. Any 

 pustular skin-disease. 

 Ecpyetic (ek-pi-ef -ik) [ek, out; irvelv, to suppurate]. 



Promoting suppuration. 

 Ecrasement (a-krahz' '-mon(g)) [Fr.]. Surgical removal 



of a part or growth by means of the ecraseur. 

 Ecraseur (a-krah-zer') [Fr.]. An instrument used in 

 the amputation of parts, and consisting of a chain or 

 wire-loop, tightened by a screw, whereby the tissue is 

 slowly crushed apart rather than cut, thus rendering 

 the operation easier and bloodless. 

 Ecrodactylia (ek-ro-dak-til' '-e-ak) [e/cpooc, escape ; 



danTvlog , digit] . Same as Ainhum. 

 Ecstaltic (ek-stal'-tik) [ek, out; gteKAeiv, to send]. 

 Sent out from a nerve-center ; applied specially to 

 nerve-impulses originating from the spinal cord. 

 Ecstasy (eks'-ta-se) [EKoraoig, a trance]. A derange- 

 ment of the nervous system characterized by an 

 exalted visionary state, absence of volition, insensibil- 

 ity to surroundings, a radiant expression, and immo- 

 bility in statuesque positions. It is also called Carus- 

 extasis and Catalepsia spuria. 

 Ecstrophy (ek' -stro-fe) [ek, out; arps^Eiv, to turn]. 



Eversion ; the turning inside-out of a part. 

 Ectad (ek'-tad) [sKTog, external; ad, to]. On or 



toward the ectal part. 

 Ectal (ek'-tal) [snrdg, external]. At some surface or 

 aspect farther from a supposed center than that with 

 which a given object is compared. External, super- 

 ficial. See Position and Direction, Table of. 

 Ectasia (ek-ta'-se-ah). See Ectasis. 

 Ectasis (ek' '-tas-is) [sKraaig, extension]. Abnormal 



distention or dilatation of a part. 

 Ectatic (ek-tat'-ik) [sKraoig, extension]. Characterized 



by ectasis. 

 Ectental (ek-ten'-tal) [sKrdg , outward ; Evrog, inward] . 

 Pertaining to the line of union between the ectoderm 

 • and the entoderm. E. Line. See Lines, Table of. 

 Ectethmoid (ek-teth'-moid) [enrdg, out from ; yd/uoELdr/g, 

 sieve-like]. Either one of the lateral cellular masses 

 of the ethmoid bone. 

 Ecthyma (ek-thi' '-mah) [£K.6vjj.a, a pustule]. An inflam- 

 matory skin-disease attended with an eruption of large, 

 flat pustules, which are usually flaccid and of a yel- 

 lowish or yellowish-red color. They vary in size from 

 a ten-cent piece to a silver quarter-dollar, and are sur- 

 rounded by a distinct inflammatory areola. Brownish 

 crusts are formed, which on removal leave a slightly 

 excoriated moist surface. The eruption appears as a 

 rule on the legs and thighs where the hairs are thick ; 

 it occurs in crops, and may persist for an indefinite 

 period. It is probably due to inoculation with 

 microSrganisms, and is prone to occur after local 

 irritation. 

 Ecthymiform (ck-thi'-mif-orm) [f-Kttvfia, a pustule ; 



forma, form]. Resembling ecthyma. 

 Ectillotic (ek-til-ot'-ik) [ek, out; t'CKIelv, to pluck]. 

 Depilatory ; causing the hairs to fall ; removing corns 

 from the feet. 

 Ectiris (ek-ti'-ris) [knT6g, outward; Ipig, the rainbow]. 

 That part of Descemet's membrane that lies in front 

 of the iris. 



Ecto- (ek'-to-) [sKrdg, without]. A prefix signifying 

 without, upon the outer side. 



Ectobatic (ek-to-bat'-ik) [mrdg, out; [3aiv£tv, to go]. 

 Efferent ; centrifugal ; moving ectad or distad. 



Ectoblast (ek' -to-blast) \iKx6g, outside ; (Haordg, a 

 bud]. In biology, a simple, sensitive, covering, and 

 protecting cell-layer ; the ectoderm. 



Ectobliquus (ek-to-bW '-kwus) [EKTog, outward ; obliquus, 

 slanting]. The external oblique muscle of the abdo- 

 men. See Muscles, Table of 



Ectocardia (ek-to-kar' -de-ah) [e/crtfc, out ; napdia, the 

 heart]. Abnormality of position of the heart. 



Ectocarotid (ek-to-kar-of -id) [tnrdg, out; mpog, 

 stupor]. The external carotid artery. See Arteries, 

 Table of 



Ectocarpous (ek-to-kar' -pus) [inrdg, outside ; napndg, 

 fruit]. In biology, applied to such animals as have 

 the reproductive organs located in the ectoderm. 



Ectoceliac,or Ectocelian (ek-to-se'-le-ak, ek-to-se' -le-an) 

 [mrdg, out ; noiXia, the belly]. Occurring or situated 

 outside a ventricle of the brain. 



Ectocelic (ek-to-se' -lik) [EKTog, outside ; Kotkia, a 

 hollow]. In biology, applied to structures placed 

 outside the body-cavity in a cejenterate. 



Ectochoroidea, or Ectochorioidea (ek-to-ko-roi' -de- 

 ah, or ek-to-ko-re-oi' -de-ah) \hnT6g, out ; x°P ioel ^Kt 

 like a membrane]. The outer layer of the choroid, 

 composed mainly of fibro-connective tissue. 



Ectocinerea (ek-to-sin-e' -re-ah) [sKrdg, out ; cinereus, 

 ashy] . The gray substance of the cortex of the brain. 

 Cf. Etitocinerea. 



Ectocondyle (ek-to-kon'-dll) [kKTdg, out; novSvTwg, 

 condyle]. An external condyle. 



Ectocornea (ek-to-kor' -ne-ah) [tKrog, out; corneus, 

 horny]. The corneal conjunctiva. 



Ectocyst (ek'-to-sist) [EKTog, out; Kvarr.g, a cyst]. The 

 thick, laminated, translucent, and highly elastic mem- 

 brane of an hydatid cyst. It is lined by a thin cel- 

 lular membrane called the endocyst. The outer layer 

 of the cenecium (or common dermal system) of a col- 

 ony of Polyzoa. 



Ectoderm (ek'-to-derm) [sKrdg, outside ; 6tpfia, skin]. 

 In biology, the primitive outer wall of the body ; the 

 animal germinal layer ; the term was first applied to 

 the outer of the two membranes of a hydroid zoophyte. 

 See Blastoderm. 



Ectoentad (ek-to-en' -tad) [knrdg, without; kvrdg, with- 

 in; ad, to]. From without inward. 



Ectogastrocnemius (ek-to-gas-trok-ne' -me-us) [e/crrff, 

 without ; yacTponvrifiia, the calf of the leg] . The 

 gastrocnemius externus muscle. See Muscles, Tabic of, 



Ectogenous (ek-toj' -en-us) [e/croc, out; yEvvav, to pro- 

 duce]. Developed outside the body (said of cer- 

 tain pathogenic bacteria and of enthetic poisons). 



Ectogluteus (ek-to-glu-te' -us) \_EKr6g, without ; y'Aovroc, 

 the rump]. The external gluteus muscle. See Mus- 

 cles, Table of. 



Ectolecithal (ek-to-les'-ith-al) \tKT6g, outside ; XtKtOag, 

 yolk]. In embryology, applied to such eggs as have 

 the formation-yolk enclosed in a superficial layer of 

 food-yolk. 



Ectomere (ek'-to-mer) [f/cr<5c, out; nipog, a share]. 

 Any one of , the cells of the ovum that are destined t.> 

 take part in forming the ectoderm. 



Ectopagia (ek-to-pa' -je-ah) \tKr6g, out; irayog, a tt\- 

 ture]. The condition of being ectopagous ; an ecto- 

 pagous monstrosity. 



Ectopagous (ek-top* -ag-us) \k.K.r6g , out ; ndyog, a tiv- 

 ture]. Of the nature of or pertaining to an ectopagus. 



Ectopagus (ek-top* -ag-us) [tKroc, out; irayog, a fix- 

 ture] . A monomphalic twin monstrosity united later- 

 ally the full extent of the thorax. 



