Camera lucida sketches of the zebrafish embryo at selected stages. This image is in the Blastula period at the 4 hour sphere stage. The animal pole is to the top for the early stages, and anterior is ...

Camera lucida sketches of the zebrafish embryo at selected stages. This image is in the Blastula period at the 4.3 hour dome stage. The animal pole is to the top for the early stages, and anterior is ...

Camera lucida sketches of the zebrafish embryo at selected stages. This image is in the Gastrula period at the 5.3 hour 50% epiboly stage. The animal pole is to the top for the early stages, and anter...

Camera lucida sketches of the zebrafish embryo at selected stages. This image is in the Segmentation period at the 18 hour 18-somite stage. The animal pole is to the top for the early stages, and ante...

Camera lucida sketches of the zebrafish embryo at selected stages. This image is from the Segmentation period at the 19.5 hour 21 somite stage.The animal pole is to the top for the early stages, and a...

Camera lucida sketches of the zebrafish embryo at selected stages. This image is from the hatching period at the 48 hour long-pec stage.The animal pole is to the top for the early stages, and anterior...

Camera lucida sketches of the zebrafish embryo at selected stages. The animal pole is to the top for the early stages, and anterior is to the top later, except for the two animal polar (AP) views show...

Spinning disk confocal time-lapse imaging of the first mitosis in a C. elegans embryo expressing GFP-KNL-2 in strain OD31. As seen for GFP-CeCENP-A (CIL 28780), discrete foci of the GFP signal within ...

The yolk sac of a killifish embryo contains a population of deep cells which migrate through the subepithelial space, and this sequence follows one such cell crawling within the normal matrices and ce...

Camera lucida sketches of the zebrafish embryo at selected stages. This image is in the Zygote period at the 0.2 hour 1 cell stage. The animal pole is to the top for the early stages, and anterior is...