IntroFIG 4A: C. elegans sensilla.

Scanning electron micrograph (SEM) of adult C. elegans showing the six symmetrical lips surrounding the opening of the mouth and the sensilla of the lip region. (OL) Outer labial; (CEP) cephalic; (AM) amphid; (IL) inner labial. Magnification: 9000x. Scale bar: 1 μm. (Image source: SEM [Hall] 3918).

See also IntroFIG 4B and 4C.

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