TY - GEN AU - Ferraguti,M AU - Marotta,R AU - Martin,P TI - The double sperm line in Isochaetides (Annelida, Clitellata, Tubificidae) SN - 0040-8166 PY - 2003///0430 KW - Acrosome KW - physiology KW - Animals KW - Cell Lineage KW - Cell Nucleus KW - Fertilization KW - Flagella KW - Male KW - Microscopy, Electron KW - Mitochondria KW - Oligochaeta KW - growth & development KW - Spermatogenesis KW - Spermatozoa KW - classification KW - Testis N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/s0040816602000071 ER -