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  2. 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 ...

  3. Vedic Mathematics - Wikipedia

    en.wikipedia.org/wiki/Vedic_Mathematics

    Dinanath Batra had conducted a lengthy campaign for the inclusion of Vedic Maths into the National Council of Educational Research and Training (NCERT) curricula. [26] Subsequently, there was a proposal from NCERT to induct Vedic Maths, along with a number of fringe pseudo-scientific subjects (Vedic Astrology et al.), into the standard academic ...

  4. Ejaculatory duct - Wikipedia

    en.wikipedia.org/wiki/Ejaculatory_duct

    Ejaculation occurs in two stages, the emission stage and the expulsion stage. [4] The emission stage involves the workings of several structures of the ejaculatory duct; contractions of the prostate gland, the seminal vesicles, the bulbourethral gland and the vas deferens push fluids into the prostatic urethra. [3]

  5. Male accessory gland - Wikipedia

    en.wikipedia.org/wiki/Male_accessory_gland

    The male accessory glands are the ampullary gland, seminal vesicle, prostate, bulbourethral gland, and urethral gland. [5]The products of these glands serve to nourish and activate the spermatozoa, to clear the urethral tract prior to ejaculation, serve as the vehicle of transport of the spermatozoa in the female tract, and to plug the female tract after placement of spermatozoa to help ensure ...

  6. Male infertility - Wikipedia

    en.wikipedia.org/wiki/Male_infertility

    Semen sample obtaining is the first step in spermiogram. The optimal sexual abstinence for semen sample obtaining is of 2–7 days. The first way to obtain the semen sample is through masturbation, and the best place to obtain it is in the same clinic, as this way temperature changes during transport can be avoided, which can be lethal for some ...

  7. Semen quality - Wikipedia

    en.wikipedia.org/wiki/Semen_quality

    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 quality make up the syndrome known as testicular dysgenesis syndrome.

  8. Sperm - Wikipedia

    en.wikipedia.org/wiki/Sperm

    Sperm quantity and quality are the main parameters in semen quality, which is a measure of the ability of semen to accomplish fertilization. Thus, in humans, it is a measure of fertility in a man . The genetic quality of sperm, as well as its volume and motility, all typically decrease with age . [ 17 ]

  9. Hypospermia - Wikipedia

    en.wikipedia.org/wiki/Hypospermia

    Hypospermia is a condition in which a man has an unusually low ejaculate (or semen) volume, less than 1.5 mL. It is the opposite of hyperspermia, which is a semen volume of more than 5.5 mL. [1] It should not be confused with oligospermia, which means low sperm count.