PAL 



224 



PAP- 



feel.] A hydrocyst or dactylozooid 

 of Siphonophores (zool.). 



palpulus (pal'pulus) n. [L. palpare, 

 to feel.] A small palpus or feeler. 



palpus (pal'pus) #., palpi (pafpL 

 pal'pe) plu. [L. palpare, to feel.] 

 The labial feelers of Insects ; sen- 

 sory appendages on the prostomium 

 of polychaet worms, on mandibles 

 of Crustacea, etc. (zool.). 



paludicole (palu'dikol) a. [L. palus, 

 a marsh ; colere, to inhabit.] Living 

 in ponds and streams. 



palule (pal'ul) n. [L. palus, a stake.] 

 An unattached calcareous process 

 of Corals ; a small palus (zoo/.). 



palus (pa'lus) n., pali (pa'H, pal'e) 

 plu. [L. palus, a stake.] A series 

 of small pillars projecting upwards 

 from the theca-base towards the 

 stomodaeum of madrepore Corals 

 (zool.). 



pampiniform (pampm'iform) a. [L. 

 pampinus, a tendril ; forma, shape.] 

 Tendril-like (biol.) ; appl. a con- 

 voluted vein plexus of the sper- 

 matic cord (anat.). 



pancreas (pan'kreas) n. [Gk. pan, all ; 

 kreas, flesh.] A compound racemose 

 gland at the posterior abdominal 

 wall of most vertebrates. 



pancreatic (pankreat'Ik) a. [Gk. pan, 

 all ; kreas, flesh.] Pert, the pan- 

 creas ; appl. artery, duct, vein 

 (anat.}. 



pancreaticoduodenal, pert, pan- 

 creas and duodenum ; appl. artery, 

 glands, veins (anat.}. 



panduriform (pandu'riform) a. [L. 

 pandura, a three - stringed lute ; 

 forma, shape.] Fiddle - shaped ; 

 appl. leaves (dot.}. 



pangamic (pangam'ik) a. [Gk. pan, 

 all ; gamos, union.] Appl. indis- 

 criminate mating. 



pangen (pan'je'n) n. [Gk. pan, all ; 

 genos, offspring.] Biophore ; see 

 hypothetical units. 



pangenesis (panjeVesis) n. [Gk. 

 pan, all ; genesis, descent.] The 

 gemmule theory, that hereditary 

 characteristics are carried by germs 

 from individual body cells (biol.). 



panicle (pan'lkl) n. [L. panicula, a 

 tuft on plants.] A tuft or bunch of 

 flowers or seeds, close or scattered ; 

 a compound raceme (dot.). 



paniculate (pamk'ulat) a. [L. pani- 

 cula, a tuft] Having the flowers 

 arranged in panicles (oof.). 



panmeristic (pan'meris'tik) a. [Gk. 

 pan, all ; meros, part.] Appl. an 

 ultimate protoplasmic structure of 

 independent units (biol.). 



panmixia (panmlk'sta) n. [Gk. pan, 

 all ; mixis, a mixing.] Indiscrimi- 

 nate interbreeding consequent on 

 suspension of the influence of 

 natural selection. 



pansporoblast (panspo'roblast) n. 

 [Gk.pan, all ; sporos, seed ; blastos, 

 bud.] A cell-complex of Neosporidia 

 producing sporoblasts and spores ; 

 an archespore (zool.). 



papilionaceous (papTl'iona'shus) a. 

 [L. papilio, a butterfly.] Re- 

 sembling a butterfly ; appl. a five- 

 petal corolla, one enlarged posterior, 

 two united anterior forming a keel, 

 and two lateral, the wings or alae 

 (bot.). 



papilla (papil'a) n. [L. papilla, a 

 pimple.] A glandular hair with 

 one secreting cell above the epi- 

 dermis level (bot.) ; an accessory 

 adhesive organ with retractile tip, 

 of some Trematodes ; a conical 

 dermal structure on Birds, the 

 beginning of a feather (zooL) ; one 

 of various small projections of the 

 corium of the tongue, and eminences 

 on the skin (anat.). 



papillary (papll'ari) a. [L. papilla, 

 a pimple.J Pert, papillae ; appl. a 

 dermal layer with papillae (anat.). 



papillate (papll'at) a. [L. papilla, a 

 pimple.] Covered by papillae ; 

 papillose ; like a papilla (biol.) ; 

 appl. petals with external cells 

 projecting slightly above the sur- 

 face (bot.). 



papilliform (papTl'iform) a. [L. 

 papilla, a pimple ; forma, shape.] 

 Like a papilla in shape. 



papillose, papillate. 



pappiferous (paplf'e'rus) a. [Gk. 

 pappos, an old man ; L. ferre, to 

 carry.] Pappus-bearing (bot.). 



pappose (pap'os, papSs') a. [Gk. 

 pappos, an old man.] Having the 

 limb of the calyx developed as a 

 tuft of hairs or bristles ; downy, or 

 covered with feathery processes 

 (bot.). 



