Transmission electron micrograph of a negatively stained preparation of ribosomes isolated from a 3-day old chick embryo that was maintained in a cold room for 24 hrs. The ribosome crystals seen in ...

The organization of the actin cytoskeleton in an early Drosophila melanogaster embryo (cycles 9-12) syncytium can be observed by time lapse imaging of embryos expressing a GFP-tagged actin binding pro...

Camera lucida sketches of the zebrafish embryo at selected stages. This image is in the Cleavage period at the 1.25 hour 8 cell stage. The animal pole is to the top for the early stages, and anterior...

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...