MET- 



189 



MET- 



meta, after ; pleura, a side.] The 

 pleuron of an insect metathorax 

 (zool.). 



metapneustic (met'apnu'stik) a. 

 [Gk. meta, after ; pneuma, breath.] 

 AppL insect larvae with only the 

 terminal pair of spiracles (zool.). 



metapodeon (met'apo'deon) n. [Gk. 

 meta, after ; pous, foot.] That part 

 of an insect's abdomen behind the 

 petiole or podeon (zool.). 



metapodeum (mfit'apo'deum). Meta- 

 podeon. 



metapodial (meYapo'dial) a. [Gk. 

 meta, after ; pous, foot.] Pert, a 

 metapodeon or metapodium (zool.). 



metapodium (met'apo'dium) n. [Gk. 

 meta, after ; pous, foot.] The 

 posterior portion of a molluscan 

 foot ; the portion of the foot 

 between tarsus and digits ; in 

 four-footed animals, the meta- 

 carpus and metatarsus (zool.). 



metapolar cells, the second circlet 

 of cells of the polar cap of the 

 rhombogen of Rhombozoa. 



metapophysis (meYapof'isis) n. [Gk. 

 meta, after ; apo, from ; phyein, to 

 grow.] A prolongation of a verte- 

 bral articular process developed 

 in certain vertebrates (zool.} ; the 

 mammillary process (anat.). 



metapore (met'apor) n. [Gk. meta, 

 after ; poros, a channel.] The 

 medial aperture in the roof of the 

 fourth ventricle of the brain ; 

 Magendie's foramen (anat.). 



metapostscutellum (met'apostsku- 

 teTum) n. [Gk. meta, after ; L. 

 post, after ; scutellum, a small 

 shield.] The post-scutellum of 

 an insect metathorax (zool.). 



metapraescutum (met'apresku'tum) 

 n. [Gk. meta, after ; L.prae, before ; 

 scutum, shield.] The praescutum 

 of an insect meta-thorax (zool.). 



metapterygium (meYapte'rlj'ium) n. 

 [Gk. meta, after ; pterygion, a little 

 wing.] The posterior basal fin- 

 cartilage or bone, either pectoral 

 or pelvic, of recent Elasmobranchs 

 (zool.). 



metapterygoid (mt'apter'fgoid) tt. 

 [Gk. meta, after ; pteryx, wing ; 

 eidos, resemblance.] The posterior 

 of three pterygoid elements in 

 certain lower vertebrates (zool.). 



metarachis (mgt'aralrts) n. [Gk. meta, 

 after ; rhachis, a spine.] The face 

 of Pennatulacea which coincides 

 with the sulcar aspect of the ter- 

 minal zooid, otherwise the so-called 

 dorsal surface (zool.). 



metascutellum (met'askuteTum) n. 

 [Gk. meta, after ; L. scutellum, a 

 small shield.] The scutellum of an 

 insect metathorax (zool.). 



metascutum (mSt'asku'tum) n. [Gk. 

 meta, after ; L. scutum, shield.] 

 The scutum of an insect meta- 

 thorax (zool.). 



metasitlsm (mSt'asit'Izm) n. [Gk. 

 meta, after ; sitos, food.] The ac- 

 quisition of a cannibalistic mode 

 of life (zool.). 



metasoma (mSt'aso'ma) . [Gk. meta, 

 after ; soma, body.] The posterior 

 body-region of Arachnids (zool.). 



metasomatic (met'asomat'lk) a. [Gk. 

 meta, after ; soma, body.] Pert. 

 or situated in the metasoma (zool.). 



metasperm (met'aspe'rm) n. [Gk. 

 meta, after ; spertna, seed.] A plant 

 having seeds in a closed ovary ; an 

 angiosperm (bot.). 



metastasis (mgtas'tasis) n. [Gk. 

 meta, after ; stasis, standing.] Meta- 

 bolism ; transference of function 

 from one organ to another (phys.). 



metastatlc (meVastat'ik) life-history 

 that of certain Trematodes in which 

 the young form after entering the 

 intermediate host, metamorphoses 

 into the adult, after which the 

 intermediate host is swallowed by 

 the final host (zool.). 



metasternum (mgt'asteVnum) . [Gk. 

 meta, after ; sternon, breast-bone.] 

 The sternum of insect metathorax ; 

 the posterior sternal part of Anura ; 

 the xiphoid or ensiform process, 

 the posterior part of the sternum 

 of higher vertebrates (zool.). 



metasthenic (meYasthenlk) a. [Gk. 

 meta, after ; sthenos, strength.] 

 With well-developed posterior part 

 of the body (zool.). 



metastlgmate (meYastlg'mat) a. [Gk. 

 meta, after ; stigma, mark.] Hav- 

 ing posterior tracheal openings or 

 stigmata, as in Mites (zool.). 



metastoma (meYasto'ma) n. [Gk. 

 meta, after ; stoma, mouth.] Thetwo- 

 lobed lower lip of Crustacea (zool.). 



