CIRCl l.L S 





CIRS< (MPHALOS 



,1 cord. C, First, or Primitive, tii ' 



I system, carrying nutriment and 



C, Placental, the fetal 



olation. C, Portal. S C., 



Pulmonary, the circulatit f blood through the 



The Fetal Circulation. 



j. fmbilical vein. b. Ductus venosus. c. Ductus arteriosus. 

 d. i ric arteries. 



rial vein. 



e. Mesenteric arteries and vein. 



lung- by means of the pulmonary artery and veins, 

 for the purpose of oxygenation and purification. C, 

 Second, th rculation, replacing the omphalo- 



m. C, Systemic, the general circu- 

 lat: from the pulmonary circulation. 



C, Third, that of the adult. C, Vitelline, first, or 

 primitive circulation. 



Circulus ir* '-ku-lus) [L.]. A circle. C. arteriosus, 

 the t Haller. The plexus of arteries that 



surroun i border of the iris. C. iridis 



minor, an arterial i r the pupillary border of 



the iris. C. venosus mammae (or Halleri), a 

 rin. that surround the nipple. 



Circum- ['-■]• A prefix meaning around, 



Circumagentes [L., "causing to 



of th< eye. 2. 

 les that 

 rm. 

 Circumanal [circum, around ; anus, 



fundamenl , urrounding the ai 



Circumcision un) [circumi i cut 



lund]. I pi< prepui e. 



Circumclusion [circum, around; 



•;irc in which 



the pin is passed beneath the vessel, a wire loop placed 

 over it- point, and it.-, ends brought over the artery and 



made fast. 



Circumcorneal {sir-kum-kor* -ne-al) [circum, about; 

 corneus, horn} ]. Around or about the cornea. 



Circumduction (sir-kum-duk'-shun) [circumducere, to 

 le.ul around]. The movement of a limb in such a 

 manner that it- distal part describes a circle, the proxi- 

 mal end being fixed. See Motion. 



Circumference [sir-kum' -fer-ens) [circumfere, to carrj 

 around]. The distance around a part. 



Circumflex [sir* -kum-JUks) [circumJUctere, to bend 

 about]. Applied to a number of arteries, vein- and 

 nerves. 



Circumgyration [sir-kum-ji-ra' 'shun ) [citcum, around ; 

 gyrare, to turn]. See / 'cm 



Circuminsular [sir-kum-in' -su-lar) [circum, about; 

 insula, island]. Surrounding the island ol Reil. 



Circumlental (sir-kum-len' -tal) [circum, around; lens, 

 a lentil ; lens]. Surrounding the lens. C. Space. 

 See Space. 



Circumnuclear {sir-kutn-nu' -kle-ar} [circum, about; 

 nucleus, kernel]. Surrounding the nucleus. 



Circumnutation ( sir-kum-nu-ta' '-shun ) [circum, 

 around; nutare, to nod]. In biology, a bowing sue 

 cessivelv toward all points of the compass. Applied 

 to the movements of young and growing organs. 



Circumocular (sir-kum-ok / -u-lar) [circum, about ; 

 oculus, eye]. Surrounding the eye. 



Circumoral (sir-kum-o f -ral) [circum, about; os, 

 mouth]. Surrounding the mouth. 



Circumpolarization {sir-kum-po-lar-iz-a'-shutt) [cir- 

 cum, around ; polus, pole.] The quantitative estima- 

 tion of sugar in a suspected liquid by the degree of 

 the rotation of polarized light, sugar rotating the 

 ray to the right, albumin to the left. 



Circumrenal (sir-kum-re / -nal) [circum, about; ren, 

 the kidney]. Around or about the kidneys. 



Circumscribed [sir' ' -kum-skribd) [circumscribere, to 

 draw a line around]. Strictly limited or marked oil ; 

 well defined ; distinct from surrounding parts, as a 

 circumscribed inflammation or tumor. 



Circumvallate (sir-kum-val' '-at) [circutnvallare, to sur- 

 round with a wall]. Surrounded by a wall or promi- 

 nence. C. Papillae, certain papillae at the base of the 

 tongue. 



Cirrhonosus (sir-on' -o-sus) [ni'pp6t, yellow ; ri>r,<tc , dis- 

 ease], i. A fetal disorder, marked by yellowness of 

 the serous membranes. 2. Abnormal post-mortem 

 yellowness of any surface or tissue. 



Cirrhose (sir-ds / ) [cirrus, a tendril]. In biology, pro- 

 vided with tendrils. 



Cirrhosis ( nr-t/sis) [nipjidr, reddish-yellow ; from the 

 color of the cirrhotic liver]. Increase and thickening 

 of the connective tissue of an organ, especially of the 

 liver. C, Biliary, a form due to chronic retention of 

 bile in the liver from long-continued obstruction in the 

 bile ducts from anj cause. C, Fatty, a rare form in 

 which the hepatic cells become infiltrated with fat. 

 The surface is smooth and the organ enlarged, but 

 \rr\ tough, owing to increase in the interstitial connei 

 live tissue, which does not contract. This form is 

 usually seen in the intemperate. 



Cirrhotic | [iup'p6c, yellow] Effected with, 



or relating to, cirrhosis. C. Kidney. See Bright'* 



Cirsocele [sir* -so-sll) [tapadc, a varix; *//>'/, tumor]. 



A varicose tumor, especially of the spermatic cord. 

 Cirsoid \d) [ntpodq, a varix; elSog, likeness]. 



Resembling a varix, or dilated vein. 

 Cirsomphalos (sir-som' -fal-os) [iapa6g, varix; bfupa'/or, 



navel]. A varicose condition of the navel. 



