RAM- 



270 



REC- 



ramigerous (ramfj'e'rus) a. [L. ramus, 



branch ; gerere, to carry.] Bearing 



branches (bot.}. 

 ramiparous (ramip'arus) a. [L. ramus, 



branch ; parere, to beget.] Pro- 

 ducing branches (hot.). 

 ramose (ram'os) a. [L. ramus, branch.] 



Much branched (dot.). 

 ramule (ram'ul) n. [L. ramulus, 



small branch.] A small branch 



(bot.}. 

 ramuliferous (ram'ulif'Srus) a. [L. 



ramulus, small branch ; ferre, to 



bear.] Bearing small branches 



(A*). 

 ramulose (ram'ulos) a. [L. ramulus, 



small branch.] With many small 



branches (bot.}. 

 ramulous (ram'ulus) a. [L. ramulus, 



small branch.] With small branches 



(bot.). 

 ramulus (ram'ulus), ramuscule 



(ramus'kul) n. [L. ramus, branch.] 



A small branch (dot.}. 

 ramus (ra'mus) ., rami (ra'ml) plu. 



[L. ramus, a branch.] Any branch- 

 like structure ; part of the chewing 



apparatus of Rotifers ; the barbs of 



feathers ; the lower jaw or mandible 



of Vertebrates (zoo/.). 

 ranine (ra'nin) a. [L. rana, a frog.] 



Pert, the under surface of the tongue 



(anat.}. 

 ranivorous (raniv'orus) a. [L. rana, 



frog ; -vorare, to devour.] Feeding 



on frogs (zoo/.). 

 Ranvier's nodes, constrictions or 



interruptions of themedullary sheath 



of a nerve fibre (phys.}. 

 raphe (ra'fe) n. [Gk. rhaphe, a seam.] 



A seam-like suture, as the junction 



line of some fruits (hot.'] ; the perineal 



line (anat.). 

 raphides (raf Idez) n.plu. [Gk. rhaphis, 



a needle.] Minute crystals found 



in plant cells (bot.}. 

 raphidlferous (raf'idlf'grus) a. [Gk. 



rhaphis, a needle ; L. ferre, to 



carry.] Containing raphides (bot.}. 

 raptatory (rap'tatori) a. [L. raptere, 



to rob.] Preying (zoo/.). 

 raptorial (rapto'rlal) a. [L. raptere, 



to *rob.] Appl. birds of prey 



(zool\ 

 rasorial (razo'rial) a. [L. radere, to 



scratch.] Adapted for scratching 



or scraping, as fowls (zoo!.). 



rastellus (ra.st61'us) n. [L. radere, to 

 rasp.] A group of teeth in arachnid 

 chelicera (zoo/.). 



ratite (rat'it) a. [L. ratis, raft.] 

 Having an unkeeled sternum ; opp. 

 carinate (zoo/.). 



rattle (rat'l) n. [M.E. ratelen, to 

 clatter.] The sound-producing series 

 of horny joints at the end of a 

 rattlesnake's tail (zoo/.). 



ray (ra) n. [L. radius, a ray.] One 

 of the bony spines supporting fins ; 

 a division of a radiate animal, as 

 an arm of an Asteroid (zoo/.). 



reaction time, the time required be- 

 tween stimulus and response (phys.). 



read (red), the abomasum or fourth 

 stomach of ruminants (zoo/.). 



reagent (rea'jent) n. [L. re, again ; 

 agere, to do.] One who acts in 

 response to a given stimulus (phys.}. 



recapitulation theory, the theory 

 that ontogeny tends to recapitulate 

 phylogeny, that the individual life- 

 history reproduces certain stages 

 in the life-history of the race ; bio- 

 genetic law ; von Baer's law (biol.\ 



receptacle (resep'takl) n. [L. reci- 

 pere, to receive.] An organ used 

 as a repository ; the peduncle of a 

 racemose inflorescence ; the torus 

 or thalamus of a flower ; the ter- 

 minal disc of Mosses (oof.). 



receptacular (resgptak'ular) a. [L. 

 recipere, to receive.] Pert, a re- 

 ceptacle of any kind. 



receptaculum (resSptak'ulum) n. [L. 

 recipere, to receive.] A receptacle 

 of any kind. 



receptaculum chyli, the cavity in 

 the lower part of the thoracic duct 

 (anat.}. 



receptaculum ovorum, an internal 

 sac in the earthworm in which ova 

 are collected (zoo/.). 



receptaculum seminis, a female 

 organ for the reception of sper- 

 matozoa (zoo/.). 



receptive spot, the point in an 

 oosphere at which the sperm enters 

 (emb.}. 



receptor (resSp'tor) n. [L. recipere, 

 to receive.] The part of a cell 

 which combines with outside mole- 

 cules, side chain theory (phys.}. 



recess (reseV) n. [L. recessus, with- 

 drawn.] A niche, sinus, cleft, or 



