F cell
Rectal cell, blast cell in male
vulF
adult vulval toroid cell, F, formed by fusion of precursors of lineage names P6.papl, P6.papr, P6.ppal and P6.ppar.
rectal epithelial cell
These cells include: B, F, Y, U, K' and K. All rectal epithelial cells contain secretory membrane stacks along this region facing the lumenal cuticle and produce some portion of the cuticular lining of the rectum. These are interfacial cells that connect the alimentary system to the main body syncytium.