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Sperm competition. Stained human sperm. Human spermatozoa. Sperm competition is the competitive process between spermatozoa of two or more different males to fertilize the same egg [ 1] during sexual reproduction. Competition can occur when females have multiple potential mating partners. Greater choice and variety of mates increases a female's ...
Semen quality. Semen quality is a measure of male fertility, a measure of the ability of sperm in semen to accomplish fertilization. Semen quality involves both sperm quantity and quality. Semen quality is a major factor for fertility. An amount of human semen of unknown quality. Cryptorchidism, hypospadias, testicular cancer and poor semen ...
Sperm motility. Sperm motility describes the ability of sperm to move properly through the female reproductive tract ( internal fertilization) or through water ( external fertilization) to reach the egg. Sperm motility can also be thought of as the quality, which is a factor in successful conception; sperm that do not "swim" properly will not ...
Polyspermy. In biology, polyspermy describes the fertilization of an egg by more than one sperm. Diploid organisms normally contain two copies of each chromosome, one from each parent. The cell resulting from polyspermy, on the other hand, contains three or more copies of each chromosome—one from the egg and one each from multiple sperm.
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The Citra Award for Best Actor (Indonesian: Piala Citra untuk Pemeran Utama Pria Terbaik) is an award given at the Indonesian Film Festival (FFI) to Indonesian actors for their achievements in leading roles. The Citra Awards, described by Screen International as "Indonesia's equivalent to the Oscars ", [ 1] are the country's most prestigious ...
Semen, also known as seminal fluid, is a bodily fluid that contains spermatozoa. Spermatozoa are secreted by the male gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize the female ovum.
Sperm donation. Sperm donation is the provision by a man of his sperm with the intention that it be used in the artificial insemination or other "fertility treatment" of one or more women who are not his sexual partners in order that they may become pregnant by him. Where pregnancies go to full term, the sperm donor will be the biological ...