[B]Sperm[/B] is the male reproductive cell[/URL] and is derived from the Greek word (σπέρμα) [I]sperma[/I] (meaning “seed”). In the types of [URL=‘https://en.wikipedia.org/wiki/Sexual_reproduction’]sexual reproduction[/URL] known as [URL=‘https://en.wikipedia.org/wiki/Anisogamy’]anisogamy[/URL] and its subtype [URL=‘https://en.wikipedia.org/wiki/Oogamy’]oogamy[/URL], there is a marked difference in the size of the [URL=‘https://en.wikipedia.org/wiki/Gamete’]gametes[/URL] with the smaller one being termed the “male” or sperm cell. A uniflagellar sperm cell that is [URL=‘https://en.wikipedia.org/wiki/Motility’]motile[/URL] is referred to as a [B][URL=‘https://en.wikipedia.org/wiki/Spermatozoon’]spermatozoon[/URL][/B], whereas a non-motile sperm cell is referred to as a [B]spermatium[/B]. Sperm cells cannot divide and have a limited life span, but after fusion with [URL=‘https://en.wikipedia.org/wiki/Ovum’]egg cells[/URL] during fertilization, a new organism begins developing, starting as a [URL=‘https://en.wikipedia.org/wiki/Totipotency’]totipotent[/URL][URL=‘https://en.wikipedia.org/wiki/Zygote’]zygote[/URL]. The [URL=‘https://en.wikipedia.org/wiki/Human’]human[/URL] sperm cell is [URL=‘https://en.wikipedia.org/wiki/Haploid’]haploid[/URL], so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a [URL=‘https://en.wikipedia.org/wiki/Diploid’]diploid[/URL] cell. [URL=‘https://en.wikipedia.org/wiki/Mammalian_reproduction’]In mammals[/URL], sperm develops in the [URL=‘https://en.wikipedia.org/wiki/Testicles’]testicles[/URL], stored in the [URL=‘https://en.wikipedia.org/wiki/Epididymis’]epididymis[/URL], and is released from the [URL=‘https://en.wikipedia.org/wiki/Penis’]penis.
When went to a hospital or clinic for testing our sperm, we received a result that shows normal or abnormal sperm. Have we ever wonders " What human sperm really look like"? The video below will give you a real view: