EMHPFFIG 1: HPF/FS fixation for the ultrastructure.

A. Low power lengthwise adult hermaphrodite midbody. DG, distal gonad, INT, intestine. A row of early embryos lie within the uterus (left side). Scalebar, 10 µm.
B&C. Closeups of early embryos that were well-fixed while inside the intact mother.
D. Spermatocyte is well-fixed inside the mother. Filopodia (arrowheads) emerge from the cell surface, which are never preserved without HPF. Scale bar, 1µm.

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