la culture des germes s'avere necessaire lorsqu'il s'agit d'etudier le developpment pregastrulaire, eu parituclier de suivre les diferents clivages at l'evolution de la ieune blastule.
the culture of germs is necessary when it comes to study the development pregastrulaire, had parituclier to follow the different divisions at the evolution of the young blastule.
Culture germs proves necessary when it comes to study the pregastrulaire developpment, had parituclier follow the diferents divisions at the Evolution of blastule Jeune.
the culture of the seeds is necessary when it comes to the development pregastrulaire, parituclier monitor diferents cleavages at the evolution of the blastule more air.