PRO- 



261 



PSE- 



gizzard ; in Birds, the glandular 

 stomach anterior to the gizzard 

 (zool.). 



provinculum (proving'kulum) n. [L. 

 pro, before ; vinculum, a chain.] 

 A primitive hinge of young stages 

 of certain Lamellibranchia (zool.). 



proximal (prok'simal) a. [L. proxi- 

 mus, next.] Nearest the body or 

 centre ; opp. distal (biol.). 



pruinose (proo'inos) a. [L. pruina, 

 hoar-frost.] Covered with whitish 

 particles or globules ; covered by 

 bloom (bot.). 



psalterium (solte'rium, sal-) n. [L. 

 psalterium, a psalter.] The third 

 stomach of Ruminants, the omasus, 

 or manyplies (zool.) ; the lyra, a 

 thin triangular lamina joining 

 lateral portions of the fornix 

 (anat.). 



psammophilous (samof'ilus, psam-) a. 

 \G\a.psammos, sand \philos, loving.] 

 Thriving in sandy places (dot.). 



psamxnophyte (sam'oflt, psam-) n. 

 {Gk.. psammos, sand ;phyton, plant.] 

 A plant growing in dry, sandy 

 ground (oof."). 



pseudambulacrum (su'dambula'krum, 

 psu-) n. [Gk. pseudes, false ; L. 

 ambulare, to walk.] A term for 

 the lancet-plate, with adhering side- 

 plates and covering plates of Blast- 

 oidea (zool.). 



pseudannual (sudan'ual, psu-) n. [Gk. 

 pseudes, false ; L. annus, year.] A 

 plant which completes its growth 

 in one year but provides a bulb or 

 other means of surviving winter 

 (bot.). 



pseudaposematic (sudap'6s6mat'ik, 

 psu-) a. [Gk. pseudes, false ; apo, 

 from ; sema, sign.] Imitating the 

 warning coloration or other pro- 

 tective features of hurtful animals 

 (biol.). 



pseudaxis (sudak'sis, psu-) n. [Gk. 

 pseudes, false ; axis, axle.] An 

 apparent main axis (bot.). 



pseudhaemal (sudhe'mal, psu-) a. 

 [Gk. pseudes, false ; Jiaima, blood.] 

 Appl. the vascular system of cer- 

 tain Worms and Echinoderms 

 (zool.). 



pseudholoptic (su'dholop'tik, psu-) a. 

 [Gk. pseudes, false ; holes, whole ; 

 optikos, relating to sight.] Inter- 



mediate between holoptic and 

 dichoptic, conditions in the eyes 

 of Diptera (zool.). 



pseudimago (su'dima'go, psu-) n. [Gk. 

 pseudes, false ; L. imago, image.] 

 A stage between pupa and imago 

 in the metamorphosis of certain 

 Insects (zool.). 



pseudoalveolar (su'doalve'olar, psu-) 

 a. [Gk. pseudes, false ; L. al-vetts, 

 a hollow.] Appl. a structure of 

 cytoplasm containing starch grains 

 or deutoplasm spheres (cyt.). 



pseudoaquatic (su'doakwat'lk, -kwot-, 

 psu-) a. [Gk. pseudes, false ; L. 

 aqua, water.] Thriving in moist 

 ground (bot.). 



pseudobrachium (sii'dobra'kmm, psu-) 

 n. [Gk. pseudes, false ; brachion, 

 arm.] The kind of arm formed 

 from elongated pterygials of the 

 pectoral fin of Pediculates (zool.). 



pseud obranchia (su'dobrang'kla, psu-) 

 n. [Gk. pseudes, false ; brangchia, 

 gills.] An accessory gill of some 

 Fishes, not respiratory in function 

 (zool.). 



pseudobulb (su'dobulb, psu-) n. [Gk. 

 pseudes, false ; L. bulbus, bulb.] A 

 thickened internode of Orchids for 

 storage of water and reserves (bot.). 



pseudobulbll (su'dobul'bil, psu-) n. 

 [Gk. pseudes, false ; L. bulbus, bulb.] 

 An outgrowth of some Ferns, a 

 substitute for sporangia (bot.). 



pseudobulbous (su'dobul'biis, psu-) a. 

 [Gk. pseudes, false ; L. bulbus, bulb.] 

 Adapted to xerophytic conditions 

 through development of pseudo- 

 bulbs (bot.). 



pseudocarp (su'dokarp, psu-) n. [Gk. 

 pseudes, false ; karpos, fruit.] A 

 false fruit, or one in which other 

 parts than the ovary assist in 

 formation (bot.). 



pseudocentrous (su'dosfin'triis, psu-) a. 

 [Gk. pseudes, false ; L. centrum, 

 centre.] Appl. vertebrae composed 

 of two pairs of arcualia meeting and 

 forming a suture laterally (Pal.). 



pseudochromatln, prochromatin 

 (cyt.). 



pseudoconch (su'd6k8ngk, psu-) n. 

 [Gk. pseudes, false ; kongche, shell.] 

 A structure developed above and 

 behind the true concha in Crocodiles 

 (zool.). 



