ouv 



297 



ovo 



ear : otoliths, n., titfo-ltihs (Gr. 

 lithos, a stone), the calcareous 

 bodies connected with the sense 

 of hearing, even in its most 

 rudimentary form ; otoconia : 

 otorrhcea, n. , tit'-dr-re'-a (Gr. rhed, 

 I flow), a purulent discharge from 

 the ears: otalgia, n., dt>dlj'i-a 

 (Gr. algos, pain), pain of the ear; 

 ear-ache. 



Ouvirandra, n. plu., dv'-ir-and'-ra 

 (Polynesian ouvi, a yam, and 

 rano, water), a most singular 

 genus of aquatic plants, Ord. 

 Naiadacese, whose leaves are 

 without parenchyma, and consist 

 of merely open network : Ouvir- 

 andra fenestralis, fen'-est-rdl'-is 

 (L. fZnestrdlis, pert, to a window 

 or opening from fenestra, a 

 window), has peculiar skeleton - 

 like leaves, and is the lace plant 

 or lattice plant of Madagascar, 

 whose rhizome is used as food 

 under the name of water-yam. 

 ovary, n., ov'-ar-i (Sp. ovario, F. 

 ovaire, an ovary ; L. ovdrium, an 

 ovary from ovum, an egg), the 

 part in the body of a female 

 animal in which the eggs or 

 first germs of future animals are 

 lodged ; a hollow case in plants 

 which encloses the young seeds : 

 ovarian, a., dv-dr'i-an, of or 

 relating to the ovary : ovarian 

 vesicle or capsules, the gener- 

 ative buds of the Sertularida : 

 ovariotomy, n., dV'dr f 'i'6t f '6m>i 

 (Gr. tome, a cutting), the opera^ 

 tion for removing the ovary : 

 ovaritis, n., ov'ar-tt'is, inflam- 

 mation of the ovaries: ovaralgia, 

 n., ov'-dr'dlf'i-d (Gr. algos, pain), 

 pain in the ovaries, 

 ovate, a., dv'-dt (L. ovdtus, shaped 

 like an egg from ovum, an egg), 

 in bot., having the shape of an 

 egg, as in an egg-shaped leaf 

 whose broader end is next the 

 petiole or axis ; elliptical, being 

 broadest at the base : ovate- 

 lanceolate, a., a lanceolate leaf, 

 somewhat ovate. 



ovenchyma, n., ov-eng'-Hm-d (L. 

 ovum, Gr. don, an egg ; Gr. 

 engchuma, an infusion, an injec- 

 tion from Gr. en, in ; cheuma, 

 anything poured out, tissue), in 

 bot. , the tissue of plants composed 

 of oval cells. 



ovicapsule, n., ov'-i-Tcdps'-ul (L. 

 ovum, an egg ; capsula, a chest), 

 the internal tunic of a developed 

 Graafian vesicle of the ovary. 

 oviduct, n., otf-i-dukt (L. ovum, 

 an egg ; ductus, led), the duct or 

 tube by which the semen is led to 

 the ova ; the passage for the eggs 

 in animals : oviferous, a., ov-if- 

 %r>us (L.fero, I bear), or oviger- 

 ous, a., dV'idj'Zr-us (L. gero, I 

 bear), egg-bearing, applied to 

 such animals as spiders, which 

 carry about with them their eggs 

 after exclusion from the body of 

 the parent : oviform, a., ov'-i- 

 form (L. forma, shape), egg- 

 shaped : oviparous, a., ov-ip'-ar- 

 its (L. parid, I produce), pro- 

 ducing by eggs, which are hatched 

 after exclusion from the body of 

 the parent. 



oviposit, v., ov'-i-pftz'-it (L. ovum, 

 an egg ; positum, to place), to 

 lay eggs: oviposition, n., ov'-l- 

 poz-ish'-un, the laying or deposit- 

 ing of eggs : ovipositor, n. , ov'4' 

 poz'-lt'Or, the organ possessed by 

 some insects by whose means the 

 eggs are placed in a position 

 favourable for their develop- 

 ment. 



ovisac, n. , ov'4'Soik (L. ovum, an 

 egg ; saccus, a bag), the egg-bag 

 or membrane which connects in 

 one mass the eggs, spawn, or roe 

 of crustaceans and many insects; 

 the cavity in the ovary contain- 

 ing the ovum. 



ovoid, a., ov'oyd (L. ovum, an 

 egg ; Gr. eidos, resemblance), 

 having an egg-shape : n. , a solid 

 having an ovate figure. 

 ovoviviparous, a., dv'-d-viv-ip'ar- 

 us (L. ovum, an egg ; vlvus, 

 alive ; parid, I produce), applied 



