Ejaculation
(Redirected from Ejaculating)
Ejaculation[edit | edit source]
Ejaculation refers to the release of semen from the male reproductive system, often accompanying orgasm. Semen, primarily composed of spermatozoa (sperm cells) and seminal fluid, plays a central role in human reproduction. Ejaculation can occur due to sexual stimulation or spontaneously during sleep (referred to as a nocturnal emission or "wet dream").
Anatomy and Physiology[edit | edit source]
The ejaculatory process involves multiple steps and various anatomical structures.
Ejaculatory Process[edit | edit source]
- Emission: The first phase, during which the sperm is propelled from the testes and the epididymis into the prostatic urethra.
- Ejaculation proper: The second phase, where the semen is expelled from the penis.
Anatomical Structures[edit | edit source]
- Testes: Produce the spermatozoa.
- Vas deferens: Transports mature sperm to the urethra.
- Seminal vesicles, prostate gland, and bulbourethral gland: Produce seminal fluid, nourishing the sperm and ensuring its mobility.
- Urethra: The duct through which urine and semen exit the body, although not simultaneously.
Function and Purpose[edit | edit source]
The primary function of ejaculation is reproduction. During sexual intercourse, ejaculation within the vagina can lead to fertilization if a viable sperm meets a female egg.
Volume and Composition[edit | edit source]
- The average ejaculate volume is between 2 and 5 milliliters.
- Each milliliter contains millions of spermatozoa, although the exact number can vary.
- Seminal fluid makes up the majority of ejaculate volume and contains enzymes, fructose, and other substances to nourish and transport sperm.
Factors Affecting Ejaculation[edit | edit source]
Various factors can influence ejaculation, including:
- Age: Sperm concentration and ejaculate volume may decrease with age.
- Frequency of ejaculation: Frequent ejaculation can result in lower semen volume temporarily.
- Health conditions: Prostate issues or surgeries can affect ejaculation.
- Medications and treatments: Some medications can impact ejaculatory function.
- Psychological factors: Anxiety or relationship issues can influence ejaculation.
Medical Conditions[edit | edit source]
Ejaculation-related conditions include:
- Premature ejaculation: Ejaculation that happens sooner than desired.
- Delayed ejaculation or inhibited ejaculation: Difficulty or inability to ejaculate despite adequate stimulation.
- Retrograde ejaculation: Semen enters the bladder instead of exiting through the penis.
Summary[edit | edit source]
Ejaculation, a complex physiological process, is crucial for reproduction. While many factors can influence it, understanding its mechanics and the associated health conditions can help in managing and addressing related concerns.
Ejaculation Resources | |
---|---|
|
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
WikiMD's Wellness Encyclopedia |
Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD