Figure 1 From: Coordination of opposing sex-specific and core muscle groups regulates male tail posture during Caenorhabditis elegansmale mating behavior Changes in male tail posture during steps of mating. (a) Backing. Long black arrow, hermaphrodite, short black arrows, male and male tail. (b) Turning. Male tail curls ventrally, arrow. (c) Sperm transfer. V, D, ventral and dorsal sides of the male tail, respectively, arrow, male copulatory spicules.Back to article page