MaleReproFIG 2: Male somatic gonad development.

A. Diagram showing the somatic gonad precursor cells and early development of the gonad.
B. Nomarski DIC picture of the male gonad.
(DG) Distal gonad; (PG) proximal gonad; (Gbl) gonadal basal lamina; (SV) seminal vesicle; (Vas) vas deferens; (DTC) distal tip cell. (Based on Kimble and Hirsh, 1979; Miskowski et al., 2001.)