Figure 6-38.
Ventral view of a stage 26 embryo. The anterior head is on the left and the flexed, distal portion of the tail can be seen just to the right of the large oil droplet. The beating heart can be observed just to the right of the head region (see also Movie M6-2d). Scale bar, 250 μm.

Figure 6-39.
Right side lateral view of a stage 28 embryo. The head of the embryo is on the right, and the body of the embryo extends dorsally over the yolk mass and ends to the left, above the oil droplet. (see also Movie M6-2e). Scale bar, 250 μm.