Proximal centriole ii. Mitochondrial sheath iii. Contraction causes lashing of the tail iv. Causes rotation of the entire spermatozoon as it moves forward. D. Abnormal Morphology a.
Stress increase abnormal sperm i.
All increase ii. Seminal Plasma 1. Fluid portion of semen 2. A. Some comes from epididymis and vas deferens 3. Serves as buffered, nutrient medium which suspends and maintains fertility of spermatozoa 4.