Definition of blastodisk in English:

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Pronunciation: /ˈblastəˌdisk/
(also blastodisc)


A blastula having the form of a disk of cells on top of the yolk in the eggs of reptiles and birds.
Example sentences
  • Yolk syncytial nuclei originated from the deepest, open cells beneath the blastodisk.
  • The blastodisks were located, removed aseptically, and stored in cryovials at - 80 C for DNA analysis.
  • At 38 minutes after insemination, the first cleavage was observed and the first cleavage furrow of the blastodisk appeared at 53 minutes.
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