Figure 5
Histological cross-sections of P. cornuta. A: ampulla and receptaculum seminis. B: renopericardioduct. C: albumen gland. D: paraprostate. E: ovotestis with oocytes and spermatocytes. F: bursa copulatrix and atrium. Abbreviations: alg, albumen gland; am, ampulla; ao, aorta; at, atrium; bc, bursa copulatrix; bf, basal finger; bs, bursa stalk; cdo, cavity of distal oviduct; dg, digestive gland; do, distal oviduct; ed, ejaculatory duct; i, intestine; k, kidney; kn, narrow lumen of kidney; kw, wide lumen of kidney; meg, membrane gland; mug, mucus gland; nd, nephroduct; oe, oesophagus; oo, oocytes; p, penis; ppd, paraprostatic duct; ppr, paraprostate; pr, prostate; rpd, renopericardioduct; rs, receptaculum seminis; sgl, left salivary gland; sp, spermatocytes; v, ventricle.