Early Embryogenesis

Pictures on the left side are immunofluoresence of tubulin (in green) and DNA (in blue). Pictures on the right side are D.I.C images of similar stage. The maternal pronucleus is on the left (anterior) and the paternal on the right (posterior).

Sperm Aster defines the Posterior of the Embryo

Pronuclear Migration

Centration/Rotation

Spindle Assembly

Spindle Displacement

P1 (Posterior Cell) Nucleo-Centrosomal Rotation