Normal sperm have oval-shaped heads, an intact central or 'mid' Having two heads when you're a sperm doesn't make you twice as clever.
Andrologia. Sep-Oct;18(5) A high proportion of double-headed and double-tailed sperm in semen of a human male. A case report. Zukerman Z.
Normal sperm have an oval head with a long tail. Abnormal sperm have head or tail defects — such as a large or misshapen head or a crooked or double tail.
How else to explain the fact that 90 percent of the sperm in a man's ejaculate are deformed? Two heads, two tails, huge heads, pinheads, coiled tails -.
Sperm morphology refers to the shape of the sperm, which includes head size and . When the sperm has two heads, it is called a duplicate sperm, a condition .