RENICULUS 



1252 



REPRODUCTIVE 



Reniculus (ren-ik' -u-lus) [L. , dim. of ren, kidney]. A 

 lobule of the kidney ; renculus. 



Renifleurs (ren'-if-lurz). See Passivism. 



Reniform (ren' - if - orm) {ren, kidney; forma, form]. 

 In biology, kidney-shaped. 



Reniglandular (ren - ig-lan'- du - lar). Same as Reni- 

 capsular. 



Renin (ren'-in). See Organotherapy. 



Reniportal (ren-ip-or' -tat) {ren, kidney; porta, gate]. 

 Relating to the portal system of the kidney. 



Renisexual (ren-is-eks' -u-al) {ren, kidney; sexualis, 

 sexual]. Both renal and sexual. 



Renitent (ren' -it-eni) {reniti, to resist]. Resisting 

 pressure. 



Rennet (ren'-et) [ME., renet, rennet]. The prepared 

 inner membrane of the fourth stomach of a calf, or an 

 infusion of this membrane. It contains a milk-curdling 

 ferment that decomposes the casein. R.-bag, in 

 biology, the abomasum, q. v. 



Rennie's Formula. See Alimentation, Rectal. 



Rennin (ren'-in) [ME., renet, rennet]. An enzyme to 

 whose action is due the clotting of milk produced upon 

 the addition of rennet. Nothing is known as to its 

 chemic nature. It is most copiously present in the 

 gastric mucous membrane of the calf, but may be ob- 

 tained from the walls of the stomach of most animals. 



Renninogen (ren-in'-o-gen) {ME., renet, rennet]. The 

 zymogen whence rennin is formed. It exists in the 

 cells of the mucous membrane of the stomach. 



Renovation (ren-o-va' -shun) {renovatio ; renovare, to 

 render new]. The repair or renewal of that which 

 has been impaired. 



Renuent (ren' -u-ent ){renuens, nodding back the head]. 

 In anatomy, throwing back the head ; applied to cer- 

 tain ijauscles. 



Renule (ren' -ul) {ren, the kidney]. A small kidney. 



Repand (re-panii') {re, back ; pandus, bent, crooked]. 

 In biology, applied to a leaf-margin which is toothed 

 like the margin of an umbrella. 



Repandodentate (re-pan-do-den' '-tat) {repandus, bent 

 back; dens, tooth]. In biology, repand and toothed. 



Repandous (re - pan' - dus) {repandus, bent back]. 

 Bent upward. 



Reparative (re-par' -at-iv) {reparare, to repair] . Rein- 

 stating, or restoring to the normal. 



Repatency (re - pa' - ten - se) {re, again ; patens, open]. 

 The reopening of a part or vessel. R. of a Vessel, 

 after ligation, the reopening of the lumen of a ligated 

 vessel from too rapid absorption of the ligature, or 

 from slipping of the knot. 



Repel (re-pel') {repellere, to repel]. To drive back; 

 to cause resorption. 



Repellent (re-pel' -ent) {repellere, to repel]. Pertain- 

 ing to or having the power of acting upon morbid pro- 

 cesses to determine or repel them. 



Repent (re' -pent) {repere, to creep]. In biology, 

 creeping, i.e. , prostrate and rooting underneath. 



Repercolation (re-per-ko-la' -shun){re, again ; percolare. 

 to percolate]. Renewed or repeated percolation ; the 

 passage of a percolation over and over again through 

 fresh instalments of the same drug. 



Repercussion (re-per-hush'-un) {re, again ; percuUre, 

 to percuss]. I. See Ballottement. 2. A driving in, 

 or scattering of a tumor or eruption ; repellent action. 



Repercutient ( re-per-ku' -she-ent){re, again ; percutere, 

 to percuss]. Effecting a repercussion ; pertaining to 

 a process or function of rebound) or reaction. 



Repetition (rep- e-lish'- un) {npetere, to seek again, 

 repeat]. See Homotopy. 



Replantation (re-plan-ta' -shun) {replantare, to plant 

 again]. The act of planting again. R. of the 

 Teeth, the replacement of teeth which have been 



extracted or otherwise removed from their cavitiej 

 when diseased, the thickened periosteum is scraped 1! 

 before returning such teeth to their sockets. 



Repletion (re-ple' -shun) {repletio ; replere, to fill agaiii 

 The condition of being full. 



Repletory (re-ple'-lor-c) {replere, to fdl again]. P 

 taining to repletion. 



Replicate (rep' -lik-at){replicare , to fold or bend baclj 

 In biology : (a) that mode of vernation in whi 

 the apex of the leaf is folded backward to the bib 

 (b) applied to wings of insects in which the ou 

 part slides or folds back on the base, or is fold' 

 like a fan. 



Replication (rep - lik - a'- shun) {replicatio ; re, bac I 

 plica, a fold]. A refolding or turning back of a p 

 so as to form a duplication. 



Replum (rep'-lum) {replum, a doorcase]. In bioloj: 

 the frame-like placenta in Crucifenc, certain Papal \ 

 acece, etc., across which the septum is drawn a 

 which persists after the valves have fallen away 

 dehiscence. 



Repose (re-poz') {re, back ; ponere, to place]. Re 

 relaxation. To be at rest. 



Reposition (re-po-zish'-un) {repositio]. Return of 1 

 abnormally placed part to its proper position. I 

 duction of hernia, dislocation, etc. 



Repositor (re-poz' -it-or) {reponere, to replace]. . 

 instrument for putting back a presenting foot or p 

 lapsed cord in labor ; an instrument used in the 1 

 placement of a displaced uterus. 



Repoussoir (ra-poo-swahr') [Fr.]. An instrument | 

 extracting the roots of teeth. See Repulsorium. 



Reprise (ra-prez') [Fr. "recovery "]. That part of tj 

 cry of a child which is heard during the act of ins 

 ration. The loud inspiration in pertussis. 

 " whoop." 



Reproduce (re-pro-dus') {re, again; producere, to bri j 

 forth]. To procreate, or bring forth, offspring. 



Reproduction (re -pro -duk'- shun) {reproductio ; 

 again ; producere, to produce]. The begetting ofo;!, 

 individuals similar to the parent organism. In bioloj; 1 

 (a) sexual or asexual generation . Cf. Abiogent 

 Archigenesis, Biogenesis, Fission, Gemmation, HtttX 

 genesis, Homogenesis, Parthenogenesis, Sel 

 Xenogenesis ; (b) a conscious repetition of perce.\ 

 sensations. R., Asexual, that without sexual in 

 course. R., Endogenous, internal cell 

 R., Sexual, that by the union of sexually distinct ce 



Reproductive (re-pro-duk' -tiv) {reproducers to re] 

 duce]. Having the functions of, or pertaining 

 reproduction. R. Function, the power and cap. 

 ity of begetting. R. Organs, the organs empK 

 in the procreation of offspring. R. Organs, C 

 velopment of; the Primitive Kidneys 01 

 Ducts or ducts of the pronephros, are th< 

 cation of the urinary and generative apparatus 1 

 fertilized ovum. They appear at the side ol the 

 vertebra; from the fifth to the last vertel 

 ler's Duct, parallel to the Wolffian duct, unites a 

 it to open into the uro-genital sinus, the other 

 opening into the abdominal cavity. 1 h 

 ducts become the Fallopian tubes, hydatid, 

 vagina, in the female, and in the male tin 

 becomes the male uterus or vesicula prosta 

 hydatid of Morgagni. The Wolffian bod 

 nephros becomes in the female the parovai 

 of Roseniniiller), or paroophoron, ami roun 

 of the uterus; while in the male there are 

 from it the vasa efferentia (coni vasculosi), I 

 of Giraldes and the gubernaculum testis 

 female the Wolffian ducts become the chief tut" 

 the parovarium and the ducts of Gartner ; in 



