अंडाशयाच्या विखंडनाने रक्ताच्या गुठळ्या तयार होण्याच्या सुरुवातीच्या टप्प्यात, द्रवाने भरलेला गोल ज्याच्या भिंतीच्या पेशी एका थराने बनलेल्या असतात, या टप्प्यावर (गर्भधारणा झाल्यानंतर सुमारे आठ दिवस),

blastulas's Usage Examples:

showed that separating the first two cells led to two complete but small blastulas, seemingly showing that cell division did not divide the egg into sub-mechanisms.

The fossils include what may be metazoan blastulas, possibly animal embryos at an early stage in cell division.

psalms, its sweetest shine, its most violent thunder, its most honorable blastulas, its best wings, its deepest quotes, its purest flames, its empty dissipation.

of the avian blastodisc differs from amphibian, fish, and echinoderm blastulas, but the overall spatial relationship of the blastocoel remains the same.