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Anterior region of Cruznema tripartitum. |
| Rhabditid lip region, stoma and esophagus |
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Dauer larva; enduring survival stage; metabolically inactive; mouth closed; double cuticle. |
| Monovarial specimen showing spermatheca with sperm and distal end of reflexed ovary. |
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Spindle-shaped longitudinal muscle cells below the cuticle
and epidermis of a rhabditid nematode. The musculature is in four
strips, separated by the epidermal (hypodermal) chords. A process
extends from each cell to the dorsal or ventral nerve chord. In Caenorhabditis elegans there are 24 mononucleate nerve cells in each subdorsal quadrant of the body, 24 in the right subventral quadrants and 23 in the left subventral quadrant. (Sulston and Horvitz, 1977; Waterston, 1988). |
| Specimens from litter-soil interface, UC Davis campus. Photographs by H. Ferris. |
