EMMicroFIG 2: Microwave fixation for ultrastructure.

A. Low-power view of a J1 larva of Heterorhabditis bacteriophora, whose thick cuticle makes it difficult to fix. Cross section through head, pharynx and nerve ring. This animal was prepared without cutting open the cuticle.
B. Inset shows body wall muscle and dauer-like cuticle structures of the Heterorhabditis J1 larva.
C. C. elegans wild type dauer nose showing cilia of the amphid in cross-section. Prepared without cutting open the cuticle. Scale bar, 1µm.

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