Fig. 2From: Single injection of very mild dose botulinum toxin in the vastus lateralis improves testicular spermatogenesis and sperm motility in ageing experimental miceBoNT treatment reduces the morphological defects of the sperm. The light microscopic representative images of tailless (A) and headless (B) sperms from control animals. The bar graphs represent the number of tailless sperms (C) and headless (D) sperms in the control and BoNT treated animalsBack to article page