Fig. 9. Expression of TGIF in mouse testes. (A) Toluidine Blue stained cross
section of adult mouse seminiferous tubules. Arrow, spermatogonia; arrowhead,
dividing primary spermatocytes; asterisk, elongating spermatids. (B)
Immunolabelling with anti-TGIF. Arrow indicates nuclear labelling in
peripheral cells (spermatogonia).