Putative acyltransferase (Probable). Plays a role in the morphogenesis of a vulval toroid cell, vulF, which is located where the vulva and the uterus connect (PubMed:11784109, PubMed:17560977). Not required for specifying vulval cell fate (PubMed:17560977). Highly expressed in the cells of the spermatheca, the mouth, and the lining of the pharynx, the rectum, and the excretory canal (PubMed:11784109). Also expressed in the pharyngeal intestinal junction cell (PubMed:11784109). During the L3 larval stage, transiently expressed in the anchor cell, in rectal epithelial cells D, VL, and VR, in B and in Y, and in several neuronal cells (PubMed:11784109). During the L4 larval stage, expressed near the vulva and the uterus, with expression lining the lumen of the uterus and portions of the vulval lumen including the vulval toroid cells vulB and vulE (PubMed:11784109). During the L4 larval stage, not expressed in the vulval toroid vulF (PubMed:11784109).