PAP- 



225 



PAll- 



pappus (pap'us) n. [Gk. pappos, an 

 old man.] A circle or tuft of 

 bristles, hairs, or feathery processes 

 in place of the limb of a calyx 



papulae (pap'ule) n. plu. [L. papula, 

 a pimple.] Dermal gills ; the soft 

 skin of Asteroids raised up into 

 finger-like processes with respira- 

 tory function (zool.). 



papyraceous (papira'shus) a. [L. 

 papyrus, the papyrus-tree.] Of 

 papery texture (dot.}. 



parabasal (paraba'sal) a. [Gk. para, 

 beside ; basis, base.] Appl. a 

 striated apparatus surrounding the 

 calyx of certain Protozoa (zool.}. 



parabasalia (par'abasa'lia) n. plu. 

 [Gk. para, beside ; basis, base.] 

 The basalia of Crinoids when a 

 circlet of perradial infrabasalia 

 occurs beneath them (zool.). 



parablast (par'ablast) n. [Gk. para, 

 beside ; blastos, bud.] The yolk 

 of meroblastic eggs ; appl. the large 

 nuclei of cells laden with yolk- 

 granules, in the development of 

 higher Mammals (smb.), 



parabranchia (parabrang'kla) n. [Gk. 

 para, beside ; brangchia, gills.] A 

 much plumed mollusc osphradium 

 or organ of smell (zool.}. 



parabronchi (parabrong'kl) n. plu. 

 [Gk. para, beside ; brongchos, wind- 

 pipe.] The tertiary lung tubes of 

 Birds, their terminations being em- 

 bedded in the lung mesenchyme 

 (zool.). 



paracentral (parasgn'tral) a. [Gk. 

 para, beside j L. centrum, centre.] 

 Situated at or near the centre ; 

 appl. lobule, gyrus, fissure (anat.). 



parachordal (parakor'dal) a. [Gk. 

 para, beside ; chords, a cord.] Appl. 

 paired horizontal cartilage plates 

 formed on each side of the chon- 

 drocranium (emb.). 



parachromatin (parakro'matin) ;/. 

 [Gk. para, beside ; chroma, colour.] 

 Achromatic nuclear substance giv- 

 ing rise to spindle-fibres (cyt.). 



parachute (par'ashoot) n. [L.parare, 

 to prepare ; F. chute, a fall.] A 

 special structure, such as an aril, 

 a caruncle, a wing, of seeds en- 

 abling them to be wafted away, and 

 so aiding in dispersal (bot.). 



paracme (parak'me) n. [Gk. parakme, 

 decadence.] The decline of a 

 species or race after reaching the 

 highest point of development 

 (biol.). 



paracoel (pSr'asel) n. [Gk. para, 

 beside ; koilos, hollow.] The lateral 

 ventricle, or cavity of the cerebral 

 hemisphere (ana/.). 



paracondyloid (parakon'dlloid) a. 

 \Gk.para, beside ; kondylos, a knob ; 

 eidos, resemblance.] Appl. a pro- 

 cess of the occipital occurring 

 beside the condyles of some mam- 

 mals (zool.}. 



paracone (par'akon) n. [Gk. para, 

 beside ; konos, a cone.] The 

 antero-external cusp of an upper 

 molar tooth. 



paraconid (parako'nid) n. [Gk. para, 

 beside ; konos, cone.] The antero- 

 internal cusp of a lower molar 

 tooth. 



paracorolla (par'akorSl'a) n. [Gk. 

 para, beside ; L. corolla, a small 

 crown.] A corolla appendage (dot.). 



paracyst (par'aslst) n. [Gk. para, 

 beside ; kystis, a bladder.] The 

 antheridium of Pyronema (bot.}. 



paraderm (par'aderm) n. [Gk. para, 

 beside ; derma, skin.] The delicate 

 limiting membrane of a pronymph 

 (zool.}. 



paradidymis (paradld'imis) n. [Gk. 

 para, beside ; didymos, a testicle.] 

 A small collection of convoluted 

 tubules anterior to the lower part 

 of the spermatic cord (ana/.). 



paraflbula (paraf Ib'ula) n. [Gk. para, 

 beside ; L. fibula, a buckle.] An 

 accessory element outside the fibula 

 at its proximal end, seen in some 

 Lacertilia and young Marsupials 

 (zool.}. 



paraflagellum (paraflajeTum) n. [Gk. 

 Para, beside ; L. fiagellum, a whip.] 

 A subsidiary flagellum (zool.). 



paraganglia (par'agang'glla) . flu. 

 [Gk. para, beside ; ganglion, swell- 

 ing.] Scattered remains or rudi- 

 ments of ganglia left along the 

 aorta when the suprarenal ganglion 

 has been formed (phys.). 



paragaster (paragas'te'r) n. [Gk. 

 para, beside ; gasler, stomach.] 

 A central cavity of Heterocoela into 

 which gastric ostia open (zool.). 

 P 



