UROGENITAL SYSTEM OF MYXINOIDS 



139 



ABBREVIATIONS 



a, dorsal aorta 



ac, anterior cardinal vein 



al, alimentary canal 



an, anus 



au, auricle 



h, Bowman's capsule 



fee, trunk of compound tubule 



fern, basal membrane 



fes, blood sinus 



c, connective tissue 



cb, band of connective tissue 



cd, central duct 



ce, columnar epithelium 

 cl, corpora lutea 



do, cloaca 



cm, central mass 



CO, blood corpuscle 



cp, common portal vein 



d, distal margin of mesovarium or 

 mesorchium 



dc, ductus Cuvieri 



dm, degenerated Malpighian body 



do, degenerated ova, 'brown bodies' 



e, connective tissue envelope 



eh, epithelium of base of compound 



tubule of mesonephros 

 el, epithelium of plain mesonephric 



tubule 

 em, epithelium of mesonephric duct 

 en, epithelium of neck of compound 



mesonephric tubule 

 eo, endothelium 

 ejp, epithelium 

 /, funnel-shaped mouth of pronephric 



tubule 

 fl, testicular follicle 

 g, glomerulus 

 gh, gall bladder 

 gc, giant blood corpuscle 

 gp, process composed of granules 

 i, intertubular space 

 liv, liver 



Ij), left postcardinal vein 

 m, Malpighian body of mesonephros 

 md, mesonephric duct 



ini, mesoderm of peritoneum 



mn, mesonephros 



m-p, Malpighian body of pronephros 



mr, mesorchium 



ms, mesovarium 



mt, tubule of Malpighian body 



n, nucleus 



nc, neck of compound mesonephric 

 tubule 



nu, nuclear mass 



0, ovary 



op, opening of central duct into pro- 

 nephric vein 



ov, ova 



p, plain mesonephric tubule 



pc, pericardium 



?5cc, pericardial cavity 



pf, pericardo-peritoneal foramen 



pg, primitive germ cell 



ph, portal heart 



pn, pronephros 



pnr, pronephros 



pt, epithelium of peritoneum 



pv, pronephric vein 



ra, renal artery 



rac, right anterior cardinal vein 



97;, right postcardinal vein 



rpv, right pronephric vein 



s, stoma cells 



sa, somatic artery 



sc, skein of columnar epithelium 



se, squamous epithelium 



si', supra-intestinal vein 



so, somite 



ss, sheath of stroma cells around testic- 

 ular follicle 



st, septum transversum 



t, pronephric tubule 



th, testis band 



tu, mesonephric tubule 



V, blood vessel 



w, waste granules 



y, yellowish granules 



z, pericardial attachment to dorsal 

 aorta and alimentarv canal. 



