Usage examples (5)

• By the formation of an inner cavity or blastocoele, the blastocyst or blastula comes into being.
• It becomes even more obvious when a piece of the roof of the archenteron is planted in the blastocoele.
• The gastrulation does not suffer any essential disturbance from this and while it goes on, the blastocoele disappears and the piece we are examining comes to lie...
• That is to say, those parts of the embryo which are being examined for their inductive capacity can be made to bypass the activte invagination and can be made effective by...