ORTHOTROPIC 



944 



OSITE 



Orthotropic (or-tho-trop'-ik) [bpOog, straight ; Tpemiv, 

 to turn] . In biology, pertaining to, or exhibiting ortho- 

 tropism. 



Orthotropism (pr-thof -ro-pizni) [bpdog, straight ; rpe- 

 neiv, to turn]. In biology, vertical, upward, or down- 

 ward growth. 



Orthotropous {pr-thof '-ro-pus) [bpdog, straight ; Tpetreiv, 

 to turn]. In biology, applied to straight, symmetric 

 seeds in which the chalaza is at the base and the 

 micropyle at the apex. 



Orthysteroptoma (or-this- ter- op' -to -mah) [bpdbg, 

 straight; vorepa , womb ; Trrufia, fall]. Prolapse of 

 the uterus without inversion. 



Orticaria [or-tik-a' '-re-ak) . Same as Urticaria. 



Oryctographic (pr-ik-to-graf -ik) [bpvurog, dug out • 

 ypatyetv, to write]. Pertaining to oryctography. 



Oryctography [pr-ik-tog' -ra-fe) [opvarog, dug out ; 

 ypd(j>Eiv, to write]. A description of minerals or of 

 fossils. 



Oryctologic {pr-ik-to-lof ik)[bpvK.r6g, dug out; \6yog, 

 science]. Pertaining to oryctology. 



Oryctologist (or-ik-tol'-o-jist) [opmroc, dug out ; ?\6yog, 

 science]. One versed in oryctology. 



Oryctology (or-ik-tol'o-je) [op vKTog, dug out; Myog, 

 science]. The science of the nature and character of 

 minerals and fossils. 



Oryctozoologic [pr-ik-to-zo-o-lof -ik) [bpvKrog, fossil ; 

 £,(mv, an animal]. Same as Paleontologic . 



Oryctozoology {pr-ik-to-zo-ol' -o-je) [bpvurbg , fossil ; 

 r Gx>v, an animal; 7d>yog, science]. The same as 

 Paleontology. 



Oryza (p-ri'-zah) [bpv^a, rice]. The common rice-plant, 

 O. sativa, belonging to the grass family. Its seed con- 

 sists mainly of starch, and is one of the most nutritious 

 of the various grains. Also, in pathology, the fecal 

 discharges of cholera, which closely resemble rice- 

 water. 



Os [L. : gen., Oris; pi., Ora\ The mouth. O. exter- 

 num, the external opening or entrance to the womb. 

 O. internum, the internal orifice of the womb. O. 

 tincae (" tench's mouth "), the os uteri, or mouth of 

 the uterus. O. uteri. Same as O. internum. 



Os [L. : gen., Ossis;pl., Ossa~\. A bone. See Bone. O. 

 innominatum. See Bones, Table of. O. magnum. 

 See Bones, Table of. 



Osanore, or Ozanore, Teeth {oz'-an-or) [os, bone]. 

 A name given by Mr. William Rogers to artificial 

 teeth constructed from the ivory of the tooth of the 

 hippopotamus, and, as he says, submitted to the action 

 of some peculiar chemic agent, by which the pores of 

 the ivory become filled with a siliceous substance. 



Osazone (o'-zah-zon) [ose, systematic termination for 

 members of the starch and sugar-group ; az, & syllable 

 indicative of nitrogen ; one, the systematic termination 

 of certain derivatives of the sugar-group]. A com- 

 pound formed when solutions of sugars are warmed 

 for some time with a solution of phenylhydrazin 

 (C 6 H 5 NHNH 2 ) and dilute acetic acid. They sepa- 

 rate either in the amorphous or crystalline state. An 

 intermediate product called a hydrazone is first formed. 

 Each sugar forms a special osazone, lactose, for ex- 

 ample, forming phenyl-lactosazone. 



Oschea (ps'-ke-ah). Synonym of Scrotum. 



Oscheal (os'-he-al) [otr^eov, scrotum]. Pertaining to 

 the scrotum. 



Oscheitis (os-he-i'-tis) [bnxeov, scrotum ; <r/c, inflam- 

 mation]. Inflammation of the scrotum. 



Oschelephantiasis (osk-el-e-fan-ti'-as-is) [baxfov, 

 scrotum; eTie^avTiaatg , elephantiasis]. Elephantiasis 

 of the scrotum. 



Oschematedema, Oschemedema (ps-kem-at-e-de'- 

 mah, os-kem-e-de'-mah) [boxeov, scrotum ; al/xa, 



blood ; olSrjfia, edema] . Effusion of blood ' into the 



scrotum ; hematoma of the scrotum. 

 Oscheocarcinoma [ps-ke-o-kar-sin-o' -mah) [baxeov, 



scrotum ; Kapucvufxa, carcinoma : pi. , Oscheocarcino- 



matd~\. Carcinoma of the scrotum. 

 Oscheocele (ps'-ke-o-sel) [bax^ov, scrotum; ni/ty, 



hernia]. Scrotal hernia. 

 Oscheochalasis (os-he-o-hal-a'-sis) [baxeov, scrotum; 



X&Aaotg, loosening] . Hypertrophy of the connective 



tissue of the scrotum ; also, pendulous scrotum. 

 Oscheohydrocele {ps-ke-o-hi' '-dro-sel) [bax^ov, scrotum ; 



v6up, water ; Ktft.j], tumor]. A hydrocele occupying 



an old hernial sac in the scrotum, after the cure of the 



hernia. 

 Oscheolith (os'-ke-o-lilh) [bax^ov, scrotum ; /,/ftjf, 



stone]. Scrotal calculus. 

 Oscheon [os'-ke-on) [oaxeov, scrotum]. The scrotum. 

 Oscheoncus (ps-ke-ong'-kus) [oox?ov, scrotum ; oytwg, 



swelling] . A swelling or tumor of the scrotum. 

 Oscheonyssis {os-ke-on-is'-is) [boxeov, scrotum ; viiaa- 



eiv, to puncture]. Paracentesis of the scrotum. 

 Oscheophlogosis (os-ke-o-Jlo-go'-sis) [oaxeov, scrotum ; 



(pAdyucug, inflammation]. Same as Oscheitis. 

 Oscheoplastic (os-ke-o-plas' -tik) [bo~x eov , scrotum ; 



tt7Acsgziv, to form]. Pertaining io plastic operations 



upon the scrotum. 

 Oscheoplasty [os'-ke-o-plas-te) [6<7jeov, scrotum ; 



Tz7.daauv, to form]. Oscheoplastic surgery; plastic 



surgery of the scrotum. 

 Oscheopyedema (os-ke-o-pi-e-de' -mah) [boxeov, scro- 

 tum; ttvov, pus ; oidrifia, edema]. Purulent edema of 



the scrotum. 

 Oschitis (os-ki'-tis). See Oscheitis. 

 Oschocarcinoma {ps-ko-kar-sin-o' -malt). Synonym of 



Oscheocarcinoma. 

 Oschuredema {os-ku-re-de'-mah') [bax^ov, scrotum; 



ovpov, urine; oifir/f/a, edema]. Extravasation of urine 



into the scrotum. 

 Oschydredema {osk-hi-dre-dc' -maJi) [bax E0V > scrotum; 



iidup, water; oldy/ia, edema]. Edema of the scrotum. 

 Oscillation (os-il-a' '-shun) [oscillatio ; oscillare, to sway 



to and fro]. A swinging or vibration. Also, any 



tremulous motion. See Hippus. O., Consecutive. 



Same as Phenomena of Transfer. 

 Oscitancy (os'-it-an-se) [oscitare, to yawn]. The dis- 

 position to yawn ; drowsiness. 

 Oscitant {os'-it-ani) [oscitare, to yawn]. Yawning. 



O. Fever, fever accompanied by much yawning. 

 Oscitation (ps-it-a' '-shun) [oscitatio ; oscitare, to yawn]. 



The act of yawning or gaping. 

 Osculant (os'-ku-lant) [osculari, to kiss]. In biology, 



closely connected. 

 Oscularis {os-ku-la'-ris) [osculans, kissing]. The kiss- 



ing-muscle, or orbicularis oris. See Muscles. 7'<; 

 Osculation {os-ku-la'-shun) [osculatio ; osculari, to 



kiss]. The union or anastomosis of vessels or lymph 



channels by their mouths. Also, the act of kissing. 

 Oscule (os'-kul) [osculum, a little mouth, dim. • 



mouth]. Same as Osculum. 

 Osculum {os' -ku-lum) [a little mouth : //. , Osculd\. \ 



small aperture. In biology : (a) the mouth 



halant aperture of a sponge, either "scattered," 



current " or •' cloacal." Cf. Pseudoproct ; (/>) 01 



the bothria or fossettes of the head of a platode worm ; 



(c) the opening into the pituitary body. 

 -ose (-o~) [-osus~j. A suffix signifying full of. 



the systematic termination for the members ol the 



starch and sugar group. 

 Oser's Oak-red. See Oak-bark. 

 -osis (o'-sis). A suffix signifying the progress orcondi 



tion of. 

 Osite (os'-it) [os, a bone]. The name applied by I 



