- The oocytes originate from a specialised syncitium, the coenocyst, in which
nurse cells and oocytes are connected by cytoplasmic bridges, the ring channels
([[Ganot and coll., 2007|biblio/17126826]]).
+ - Oocytes are in metaphase I stage at the time of spawning ([[Ganot, Kallesøe
+ and Thompson (2007)|biblio/17123503]]).
- The first and second polar bodies are visible 5 and 15 min after fertilisation,
respectively ([[Nishino and Morisawa, 1998|biblio/10.2108_zsj.15.723]]).
- First embryonic cleavages are deterministic and “Clonal organization of the