OLIGOTROPHOUS 



894 



OMICHOLIN 



Oligotrophous {pl-ig-of -ro-fus) [b'Aiyog, scant ; rpotyr), 

 nourishment]. Only slightly nutritious. 



Oligotrophy {pl-ig-of '-ro-fe) [okiyoc , few ; rpotyi/, nour- 

 ishment]. Defective or imperfect nutrition. 



Oligozobspermia (ol-ig-o-zo-o-sper'-me-ah) \okiyoq, 

 few; CCmv, animal ; a-ip/ia, seed]. Abnormal few- 

 ness of the spermatozoa. 



Oliguresis (ol-ig-ti-re f -sis). See Oliguria. 



Oliguria (ol-ig-u' '-re-ah) [d/iiyog, scanty; ovpov, urine]. 

 A diminution in the quantity of urine excreted. 



Oligydria {ol-ig-id' -re-ah) [b?uyoc, scanty ; liipuc, 

 sweat]. Ischidrosis; a deficiency in the sweat. 



Olisthema (pl-is-the' '-mah) [o'kiadavuv, to slip]. Dislo- 

 cation. , 



Oliva (p-le'-vali) [L.]. The olivary body of the brain. 



Olivaceous {pl-iv-a'-se-us) [oliva, olive]. In biology, 

 olive-green. 



Olivae, Oleum {o-le'-ve o'-le-um). See Olive-oil. 



Olivary (ol' -iv-a-re) [oliva, olive]. Pertaining to an 

 olive ; like an olive. In anatomy, pertaining to the 

 oliva. O. Bodies, the olive-shaped bodies laterad of 

 the anterior pyramids of the medulla oblongata. 

 O. Eminence, the small, rounded, transverse prom- 

 inence of the body of the sphenoid bone immediately 

 cephalad of the pituitary fossa. O. Fasciculus. 

 See Fasciculus. O. Nucleus, the corpus dentatum 

 of the olivary body. O. Peduncle, the mass of 

 fibers entering the hilum of the olivary body. O. 

 Process. See Process. 



Olive (oF-iv) [oliva, an olive]. I. The olive-tree. 2. 

 The fruit of the olive-tree. 3. The Olivary Body, 

 a. v. O.-oil, Oleum olivarce ; Sweet Oil, Salad Oil; 

 the oil expressed from the fruit of Olea europcea. 

 The purest oil is nearly inodorous, pale-yellow, with 

 a pure oily taste, and a specific gravity of .918 at 

 15 C. It does not decompose or become rancid 

 easily, and congeals at 32 F. to a granular solid 

 mass. It is used extensively as an article of food or 

 condiment, in pharmacy, as an illuminant and lubri- 

 cant, in soap-making, and as a cathartic in the place 

 of castor oil. 



Oliver, Sign of. See Signs and Symptoms, Table of. 

 O.'s Test. See Tests, Table of. 



Oliverin {ol-iv f -er-in) [oliva, olive]. A body obtained 

 from Olea europ&a ; it has been used instead of 

 quinin. Unof. 



Oliviform {ol-iv f -if-orni) [oliva, an olive ; forma, 

 form]. In biology, olive-shaped. 



Olivil \oF-iv-il) [oliva, olive; vat], matter], C u H 18 5 . 

 A crystalline body found in resin of wild olives. 



Ollier's Layer. See Layer, Osteogenetic. 



Olophlyctis {ol-o-flik' -tis) [oao^avktiq, herpes]. Herpes; 

 a dark vesicular skin-eruption. [Rare.] 



Olophonia {ol-o-fo'-ne-ah) [6Aoc, whole ; <f>uvi], voice]. 

 The condition of having a loud and harsh voice. 



-oma {-o'-mah) [o/m, tumor : pi., -omata~\. A termina- 

 tion signifying a neoplasm or tumor. 



Omacephalus {p-mas-ef f -al-us) [o>fioc, shoulder ; keQ- 

 11/ i, , head]. A variety of omphalositic monsters of the 

 species paracephalus, in which there are present the 

 characteristics of paracephalus except that there is 

 more imperfect development, with absence of the 

 upper extremities. 



Omagra {p-ma' -grali) [ufioq, shoulder; aypa, seizure]. 

 Gout in the shoulder. 



Omalgia {o-mal' -je-ali) [d>//oc, shoulder ; ulyoq, pain]. 

 Pain about the shoulder. 



Omarthralgia {o-mar-thral' -je-ali) [v/ioc, shoulder ; 

 ii/iiipDv, joint ; akyoc , pain]. Pain in the shoulder-joint. 



Omarthritis {o-mar-thri'-tis) [<o/ioc, shoulder; afitipov, 

 joint ; tftf, inflammation]. Inflammation of the 

 shoulder-joint. 



Omarthrocace (o-mar-throk'-as-c) [(ofioq, shoulder; 

 aptipov, joint; kcikoq, evil]. Disease of the shoulder- 

 joint. 



Omasal [o-ma / -sal) [omasum, a paunch]. Pertaining 

 to the omasum. 



Omasum (o-ma'-sum) [omasum, a paunch://., Omasa"]. 

 The third stomach of a ruminant ; it is also called the 

 psalterium, and manyplies. Cf. Abomasum; Reed. 



Omatocia (p-mat-o f -se-ah). See Omotocia. 



Omeire (o-mi'-ra) [African]. A vinous and acetous 

 fermented milk used in parts of Africa. 



Omelysis (o-me'-lis-is) [ufifikvoic, bruised meal of raw 

 corn]. Barley or wheat-meal used for poultices. 



Omental {o-men' -tal) [omentum, the caul]. Pertaining 

 to the omentum. O. Foramen. See Foramina, Table 

 of. O. Hernia. See Fpiplocele. O. Sac. See Sac. 



Omentitis (p-men-ti' -tis) [omentum , omentum ; trie;, in- 

 flammation]. Inflammation of the omentum or caul. 



Omentocele {p-men'-to-sel) [omentum, omentum ; nrfkri, 

 hernia]. Omental hernia. 



Omentulum {o-men' -tu-luni) [dim. of omentum, omen- 

 tum]. The smaller omentum. 



Omentum (p-men f -turn) [L.]. A fold of the periton- 

 eum connecting the abdominal viscera. O. colicum, 

 the part of the great omentum of the fetus that in 

 adult life becomes the hepato-colic ligament. 0., 

 Gastric. See O. , Gi-eater. O., Gastro-colic, the large 

 peritoneal fold attached to the greater curvature of the 



Omentum of Cat, Silvered. 

 T = Trabecula, with c, blood-vessel. /. Fat-cells, j. Silver- 

 lines, and a. nuclei of the endothelium m. Mesh 

 Nuclei of the connective-tissue corpuscles. Silver nitrate 

 and hematoxylin. X 100. (Stirling.) 



stomach above and after dipping down over the intes- 

 tines returning to be attached to the transverse colon. 

 O., Gastro-hepatic, a double fold of peritoneum 

 passing from the lesser curvature of the stomach 

 transverse fissure of the liver. On the left side it in- 

 cludes the esophagus; on the right its edges are free 

 and inclose all the structures issuing from or entering 

 the transverse fissure of the liver, the hepatic \ 

 and nerves, and the bile-duct. Behind it is tin 

 men of Winslow. O., Gastro-splenic, the fol 

 peritoneum passing from the stomach to the s] 

 O., Greater. See O., Gastrocolic. O., Hepato- 

 gastric. See O., Gastro-lnpatic. O., Lesser. Syn- 

 onym of O., Gastro-hepatic. O. majus, the Ri 

 omentum. O. minus, the gastro-hepatic or 

 omentum. 

 Omichesis {p-niik-e'sis) [h\nxtiv, to urinate]. 1 filia- 

 tion. 

 Omichma {o-mik'-mah) [5/trx/ia, urine]. Uriiu 

 Omicholin (p-mik' -o-lin) [niti y \/'a, urine], C.,,11 



