Figure 1From: An investigation of excess residual cytoplasm in human spermatozoa and its distinction from the cytoplasmic dropletCD vs. ERC Structure. Illustration comparing (A) spermatozoa with typical cytoplasmic droplets (CD) and (B) spermatozoa presenting with excess residual cytoplasm (ERC). Also listed are specific causes of spermiogenesis arrest that can lead to ERC.Back to article page