Social Structure Predicts Genital Morphology in African Mole-Rats
Figure 4
Schematic depictions of sections through the perineal muscles in males and females of three African mole-rat species.
Dorsal is down. (A, C, E) Male naked mole-rat, Damaraland mole-rat, and silvery mole-rat, respectively. (B, D, F) Female naked mole-rat, Damaraland mole-rat, and silvery mole-rat, respectively. See text for details. Abbreviations: BP, bulb of penis; CC, corpora cavernosa; IC, ischiocavernosus; LA, levator ani; R, rectum; U, urethra; UM, urethral muscle; V, vagina. Scale bars = 1 mm.