MaleSpicFIG 11: Spicule trace elongation.

A. Nomarski DIC image of late L4 male tail formation showing location of SPso cell body, lateral view, left sublateral plane.
B. Transgenic animals expressing the egl-17::GFP reporter gene in male tail. (Strain source: R.D. Burdine and M.J. Stern.) (Cell identification by L.I. Jiang and P.W. Sternberg.)