Epistemis

Zygote segmentation

Embryology · First weeks

FIGURE 4. Early cleavage stages of Paracentrotus lividus under light microscopy. Developmental stages are as follows: (A) unfertilized egg (oocyte); (B) zygote (or 1-cell stage) (1-cell); (C) 2-cell stage (2-cell); (D) 4-cell stage (4-cell); (E) 8-cell stage (8-cell); (F,G) 16-cell stage (16-cell); (H,I) 28-cell stage (28-cell); (J,K) 32-cell stage (32-cell); (L,M) 56-cell stage (56-cell); (N,O)
FIGURE 4. Early cleavage stages of Paracentrotus lividus under light microscopy. Developmental stages are as follows: (A) unfertilized egg (oocyte); (B) zygote (or 1-cell stage)…

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PreviousFertilization
Category
First weeks
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media
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Diagram

Origin: Laurent Formery, Axel Wakefield, Maeva Gesson, Ludovic Toisoul, Guy Lhomond, Laurent Gilletta, Régis Lasbleiz, Michael S · CC BY 4.0 · Wikimedia Commons · License CC BY 4.0

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