Appendix 811 



Oligo- (Gr., few or little), oligotrichous, having few cilia. • 



Oo- (Gr., egg), oogenesis, producing an egg. 



Or- (L., mouth), oral, pertaining to the mouth. 



Ortho- (Gr., straight), orthoptera, insects with straight wings. 



Os- (Gr., bone), osseous, pertaining to bone. 



Ovi- (L., e^g) , ovum, an egg. 



Palaio- (Gr., ancient), paleontology, study of ancient life. 



Para- (Gr., beside), parapodia, appendages beside others. 



Path- (Gr., disease), pathogenic, disease-producing. 



Ped- (L., feet), pedal, pertaining to the feet. 



Peri- (Gr., around), peristome, around an opening or mouth. 



Phaeo- (Gr., dark or brown), phaeophyta, brown algae. 



Phage- (Gr., to eat), phagocyte, a cell which eats or destroys. 



Phor- (Gr., to bear), sporophore, to bear spores. 



Photo- (Gr., light), photosynthesis, building by means of light. 



Phil- (Gr., loving), thermophil, heat loving. 



Phyco- (Gr., alga, or seaweed), phycom.ycete, an algalike fungus. 



Phyll- (Gr., leaf), mesophyll, middle part of a leaf. 



Phyto- (Gr., plant), sporophyte, spore-bearing plant. 



Plasm- (Gr., formed), ectoplasm, formed outside. 



Plast- (Gr., living), chloroplast, a green body in certain living plants. 



Platy- (Gr., flat), platyhelminthes, flatworms. 



Plio- (Gr., more), pliocene, more recent period. 



Poly- (Gr., many), polymorphous, many forms. 



Post- (L., after), postnatal, after birth. 



Pous- (Gr., foot), octopus, an animal with eight feet. 



Pre- (L., before), prenatal, before birth. 



Pro- (Gr., before), prostofnium, before the mouth. 



Proto- (Gr., first or essential), protoplasm, an essential material. 



Prox- (L., nearest), proximal, nearest. 



Pseudo- (Gr., false), pseudopodia, false feet. 



Ptero- (Gr., wing), diptera, two wings. 



Re- (L., again, or back), regenerate, to form again. 



Ren- (L., kidney), renal, pertaining to the kidney. 



Rept- (L., creeping), reptile, creeping animals. 



Retro- (L., backward), retrolingual, backward from the tongue. 



Rhizo- (Gr., root), rhizopoda, rootlike appendage. 



Rhodo- (Gr., red), Rhodophyta, red algae. 



Roti- (L., wheel), rotifer, an animal with a wheel-like structure on its head. 



Sarc- (Gr., flesh), ectosarc, outer flesh. 



Schizo- (Gr., to divide), Schizomycophyta, fission fungi (bacteria) 



