EPH- 



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EPI- 



ephippium (efip'ium) n. [Gk. epi, 

 upon ; hippos, horse.] The pituitary 

 fossa, or fossa hypophyseos of the 

 sphenoid (anat) ; a thickened and 

 indurated part of the shell which 

 separates from the rest at ecdysis 

 and forms a protective case for the 

 eggs in certain Cladocera (zool). 



ephyra (eTira) n. [Gk. Ephyra, a 

 nymph's name.] The small free- 

 swimming jelly-fish stage of certain 

 Scyphozoa, produced by strobilation 

 of the Scyphistoma (zool.). 



ephyrula (6f ir'ula), ephyra. 



epibasal (ep'iba'sal) a. [Gk. epi, upon ; 

 L. basis, base.] Pert, upper segment 

 of an oospore, ultimately giving rise 

 to the shoot (hot.), 



epibenthos (gp'ibgn'thos) n. [Gk. epi, 

 upon ; benthos, depths.] Fauna and 

 flora found between the low-water 

 mark and the'hundred fathoms' line 

 (biol). 



epiblast (gp'iblast) n. [Gk. epi, upon ; 

 blastos, bud.] The outer layer of the 

 gastrula ; the ectoblast (emb). 



eplblema (gp'ible'ma) n. [Gk. epi- 

 blema, cover.] The outermost layer 

 of the root-tissue (bot.). 



epibolic (gp'ibol'ik) a. [Gk. epi, upon ; 

 ballein, to throw.] Growing so as to 

 cover over ; appl. type of gastrula- 

 tion (emb.). 



epiboly (epib'oli) n. [Gk. epi, upon ; 

 ballein, to throw.] Growth of one 

 part over another in embryonic 

 stages (emb.). 



eplbranchial (ep'ibrang'kial) a. [Gk. 

 epi, upon ; brangchia, gills.] Pert. 

 the second upper element in a 

 branchial arch (zool). 



epicalyx (ep'Ika'liks) n. [Gk. epi, 

 upon ; kalyx, cup.] The stipules, 

 fused in pairs, producing an ap- 

 parent outer or extra calyx ; a 

 structure just below the calyx pro- 

 duced by the aggregation of bracts 

 or bracteoles (bot). 



epicanthus (gp'ikan'thus) n. [Gk. 

 epi, upon ; kanthos, corner.] A 

 prolongation of the upper eyelid 

 over the inner angle of the eye 

 (anat.). 



epicardium (ep'ikar'dium) n. [Gk. 

 epi, upon ; kardia, heart.] The 

 visceral part of the pericardium 

 (anat) ; a tubular prolongation of 



the branchial sac in many Ascidians, 

 which takes part in budding (zool.). 

 epicarp (ep'fkarp) n. [Gk. epi, upon ; 

 karpos, fruit.] The outer layer of 

 the pericarp (bot). 



epicentral (ep'isgn'tral) a. [Gk. epi, 

 upon ; kentron, centre.] Attached 

 to or arising from the vertebral 

 centra ; appl. usually to inter- 

 muscular bones (anat). 

 epicerebral (ep'iser'gbral) a. [Gk. 

 epi, upon ; L. cerebrum, brain.] 

 Situated above the brain (anat.). 



epichilium (ep'ikll'ium) n. [Gk. epi, 

 upon ; cheilos, lip.] The terminal 

 lobe of the lower petal of an 

 orchid (bot.). 



epichordal (ep'ikor'dal) a. [Gk. epi, 

 upon ; chorde, cord.] Upon the 

 notochord ; appl. vertebrae in which 

 the ventral cartilaginous portions 

 are almost completely suppressed 

 (zool.). 



epicoele (ep'isel) n. [Gk. epi, upon ; 

 koilos, hollow.] The cavity of the 

 mid-brain in the lower vertebrates ; 

 the cerebellar cavity (anat) ; a peri- 

 visceral cavity formed by invagina- 

 tion (zool). 



epicoelia (ep'ise'lia) n. [Gk. epi, 

 upon ; koilia, cavity.] Epicoele. 



epicondylar (gp'lkon'dilar) a. [Gk. 

 epi, upon ; kondylos, knob.] Pert. 

 the epicondyle (zool). 



epicondyle (ep'ikon'dil) n. [Gk. epi, 

 upon ; kondylos, knob.] The outer 

 protuberance at the lower or distal 

 end of the humerus (anat). 



epicoracoid (Sp'ikor'akoid) a. [Gk. 

 epi, upon ; korax, crow ; eidos, re- 

 semblance.] Pert, an element 

 usually cartilaginous in nature at 

 the sternal end of the coracoid in 

 Amphibians, Reptiles, and Mono- 

 tremes (zool). 



epicormic (ep'ikor'mik) a. [Gk. epi, 

 upon ; kormos, trunk of a tree.] 

 Growing from a dormant bud 

 (hot). 



epicotyl (ep'ikot'il) n. [Gk. epi, upon ; 

 kotyle, vase.] The axis of a plumule 

 (hot). 



epicotyledonary (ep'lkot'iled'onari) a. 

 [Gk. epi, upon ; kotyle, vase.] Above 

 the cotyledons (hot). 



epicoxite (ep'ikok'sTt) n. [Gk. epi, 

 upon ; L. coxa, hip.] A small 



