Fig. 6. mep-1 inhibits vulval cell fates of P3.p, P4.p and P8.p. A
wild-type hermaphrodite at the `Christmas tree' stage of vulval development
treated with extensive exposure to mep-1 RNAi. A bracket indicates
the vulval invagination formed by P5.p-P7.p; arrows indicate ectopic
invaginations formed by the descendants of P3.p and P4.p.