Table 1.

Pharyngeal dimensions in C. elegans

A. Lengths (μm)
Pharynx
WormCorpusIsthmusTerminal bulbTotalPharynx/worm (%)
Adults1002.2±28.3*76.6±0.835.8±0.932.3±0.5144.7±0.914.4±0.4
L1s241.6±10.0*35.0±0.723.6±0.513.0±0.371.6±1.029.6±1.3
B. Diameters (μm)
Procorpus
Terminal bulbIsthmusMetacorpusPosteriorAnterior
Adults31.5±1.115.3±0.327.1±0.519.2±0.315.1±0.2
L1s9.6±0.14.0±0.18.6±0.26.7±0.16.1±0.1
C. Estimated lumen diameters (μm)
IsthmusProcorpus
Adults3.94.9
L1s1.01.8
Values are means ± s.e.m.
N=6 in A (*N=4 for the whole worm length measurements); N=10 in B.
L1s, first stage larvae.