(zoology) blastula
The blastocyst is a stage in early embryonic development.
(mammology) blastocyst
A blastocyst is an early-stage embryo.
(zoology) blastula
The blastocyst is a stage in early embryonic development.
(mammology) blastocyst
A blastocyst is an early-stage embryo.
(zoology) blastula
(zoology) blastula
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