Caenopores are antimicrobial
peptides in the nematode Caenorhabditis elegans instrumental in nutrition and immunity.

Roeder T, Stanisak M, Gelhaus C, Bruchhaus I, Grötzinger J, Leippe M (2010); 
Dev Comp Immunol, 34 (2):203-209. doi: 10.1016/j.dci.2009.09.010