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  2. These 8 Foods Could Help Men With ED - AOL

    www.aol.com/8-foods-could-help-men-105700770.html

    Avocados also contain a bit of zinc (remember, zinc deficiency is associated with ED severity) and small amounts of vitamin E and selenium, which are linked to improvements in sperm motility ...

  3. Carob - Wikipedia

    en.wikipedia.org/wiki/Carob

    The male flowers smell like human semen, an odor that is caused in part by amines. [5] The fruit is a legume (also known commonly, but less accurately, as a pod), that is elongated, compressed, straight, or curved, and thickened at the sutures. The pods take a full year to develop and ripen.

  4. Semen quality - Wikipedia

    en.wikipedia.org/wiki/Semen_quality

    When performing cryopreservation of semen, it is the sperm quality after reviving the sample that is of importance, because many sperm cells die in the process. To be of use in assisted reproductive technology , the sample should after thawing have more than 5 million motile sperm cells per ml with a good grade of mobility.

  5. Sperm competition - Wikipedia

    en.wikipedia.org/wiki/Sperm_competition

    More specifically, optimal sperm production was measured at a 1:2 protein to carbohydrate ratio. Sperm fertility was best at a similar protein to carbohydrate ratio of 1:2. This close alignment largely factors in determining male fertility in Nauphoeta cinerea. [42] Surprisingly, sperm viability was not affected by any change in diet or diet ...

  6. Sperm - Wikipedia

    en.wikipedia.org/wiki/Sperm

    Related to sperm quality is sperm size, at least in some animals. For instance, the sperm of some species of fruit fly are up to 5.8 cm long—about 20 times as long as the fly itself. Longer sperm cells are better than their shorter counterparts at displacing competitors from the female's seminal receptacle.

  7. Fertilisation - Wikipedia

    en.wikipedia.org/wiki/Fertilisation

    The sperm are transferred from the pollen through the pollen tube to the ovule where the egg is fertilised. In flowering plants, two sperm cells are released from the pollen tube, and a second fertilisation event occurs involving the second sperm cell and the central cell of the ovule, which is a second female gamete. [7]

  8. Bateman's principle - Wikipedia

    en.wikipedia.org/wiki/Bateman's_principle

    Bateman attributed the origin of the unequal investment to the differences in the production of gametes: sperm are cheaper than eggs. A single male can easily fertilize all of a female's eggs; she will not produce more offspring by mating with more than one male. A male is capable of fathering more offspring if he mates with several females.

  9. Semen - Wikipedia

    en.wikipedia.org/wiki/Semen

    A 1992 World Health Organization report described normal human semen as having a volume of 2 mL or greater, pH of 7.2 to 8.0, sperm concentration of 20×10 6 spermatozoa/mL or more, sperm count of 40×10 6 spermatozoa per ejaculate or more, and motility of 50% or more with forward progression (categories a and b) of 25% or more with rapid ...