PYR- 



267 



QUI- 



a fruit-stone.] A fruit-stone or 

 kernel (dot.). 



pyrenin (plre'nln) ;/. [Gk. pyren, 

 a. fruit-stone.] The substance of a 

 true nucleolus, paranuclein (cyt.). 



pyrenocarp (plre'nokarp) . [Gk. 

 pyren, a fruit-stone ; karpos, fruit.] 

 A form of ascocarp ; a fleshy fruit 

 with stone or hard kernel (hot.). 



pyrenoid (pfrgnoid) n. [Gk. pyren, 

 a fruit-stone ; eidos, form.] A 

 colourless plastid of lower plants, 

 a centre of starch formation (hot.}. 



pyriform (pfriform) a. [L. pyruin, 

 pear ; forma, shape.] Pear-shaped ; 

 appl. a muscle (anat.), an organ of 

 a larval Mollusc, and a vestigial 

 sac of a male Nautilus (zool.). 



pyxidium (piksld'ium) n. [Gk. pyxis, 

 box.] A pyxis, or capsular fruit 

 which dehisces transversely (hot.}. 



quadrate (kwod'rat) n. [L. quadratus, 

 squared.] The bone with which the 

 lower jaw articulates in Birds, 

 Reptiles, Amphibians, and Fishes ; 

 one of the lobes of the liver (anat.). 



quadratojugal (kwSdra'tqjoo'gal) n. 

 [L. quadratus, squared ; jugum, 

 yoke.] Membranous bone con- 

 necting the quadrate and jugal 

 bones (anat.). 



quadrato - mandibular (kwodra'to- 

 mandib'ular) a. [L. quadratus, 

 squared ; mandibulum, jaw.] Pert. 

 quadrate and mandibular. 



quadratus (kwodra'tus) n. [L. quad- 

 ratus, squared.] The name of 

 several muscles, e.g. quadratus 

 femoris (anat.). 



quadriceps (kwSd'rlse'ps) n. [L. quat- 

 tuor, four ; caput, head.] Muscle 

 in front of the thigh extending the 

 lower leg and divided up into four 

 portions at its upper end (anat.). 



quadrifarlous (kwSdrlfa'rius) a. [L. 

 quadrifarius, fourfold.] In four 

 rows ; proceeding from all the sides 

 of a branch (bot.). 



quadrlfld (kwfid'rlfld) a. [L. quattuor, 

 four ; findere, to cleave.] Deeply 

 cleft into four parts (bot.). 



quadrifoliate (kwSd'rifo'llat) a. [L. 

 quattuor, four ; folium, leaf.] Appl. 

 compound palmate leaf, consisting 

 of four leaflets arising at a common 

 point (bot.'). 



quadrigeminal bodies (k\v6d'r!j6m'- 

 Tnal). See corpora quadrigemlna. 



quadrljugate (kwfid'rljoo'gat) a. [L. 

 quattuor, four; jugum, yoke.] Appl. 

 pinnate leaf having four pairs of 

 leaflets (hot.). 



quadrllocular (kw8d'rll8k'ular) a. [L. 

 quattuor, four ; loculus, small space.] 

 Having four loculi or chambers, as 

 the ovary of certain plants (bot.}. 



quadrimaculate (kwSd'rlmak'ulat) a. 

 [L. quattuor, four ; macula, spot.] 

 Having four spots (zool.\ 



quadrinate (kwod'rinat) a. [L. quat- 

 tuor, four.] See quadrlfoliate. 



quadripennate (kwod'ripe'n'at) a. |X. 

 quattuor, four \penna, wing.] With 

 four wings. 



quadritubercular (kwSd'rltubgrTcular) 

 a. [L. quattuor, four ; fuberculum, 

 a small hump.] Appl. teeth with 

 four tubercles (anat.}. 



quadrumanous (kwodroom'anus) a. 

 [L. quattuor, four ; manus, hand.] 

 Having hind-feet, as well as front 

 feet, constructed like hands, as 

 most Primates except man (anat.). 



quadrupedal (kw6d'roope'dal, kw6d- 

 roop'edal) a. [L. quattuor, four ; 

 pes, foot.] Appl. the habitual atti- 

 tude of four-footed animals (anat.). 



quaternary (kwSteYnarl) a. [L. 

 quatemi, four each.] Appl. flower 

 symmetry when there are four parts 

 in a whorl (dot.). 



quaternate (kw5teVnat) a. [L. 

 quatemi, four each.] Appl. leaves 

 growing in fours from one point 

 (bot.). 



queen, the reproductive female in 

 colonies of social Hymenoptera. 



quill (kwll) n. [M.E. quille, feather.] 

 The calamus of a feather (z/tol.). 



quill feathers, the feathers of the 

 wings (remiges) and tail (rectrices) 

 of a Bird. 



quinary (kwl'narl) a. [L. quini, five 

 each.] Appl. flower symmetry when 

 there are five parts in a whorl (bot.). 



quinate (kwl'nat) a. [L. quini, five 

 each.] Appl. five leaflets growing 

 from one point (bot.). 



