Male Ejaculation WisdomCard™
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Our Guides and Physician Review team have organized the Top 10 Health Resources on Male Ejaculation and compiled helpful research notes below.
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Research Notes on Male Ejaculation
Ejaculation is generally the result of sexual stimulation. Onset occurs approximately twelve months from the start of puberty.1 It is controlled by the central nervous system through two phases - emission and ejaculation proper. Emission is controlled by the sympathetic nervous system and ejaculation proper is controlled by spinal reflex at level S2-S4.2
Fast Facts:
- First phase takes place in the vas deferens which is the "unstoppable" phase where the sperm is stored and transported.2
- Second phase involves the muscles at the base of the penis; they contract every 0.8 seconds and force semen out of the penis (up to five spurts).2
- Disorders include retrograde ejaculation, premature ejaculation and retarded orgasm (delayed ejaculation).3
- Ejaculation produces approximately one teaspoon of sperm.4
- The ejaculation refractory period is approximately 15 to 20 minutes.1
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Research Notes References
- ↑ 1.0 1.1 Wikipedia: Ejaculation
- ↑ 2.0 2.1 2.2 Cleveland Clinic: How An Erection/Ejaculation Occurs
- ↑ Cornell University: Disorders Of Ejaculation
- ↑ Palo Alto Medical Foundation: Sexual Health & Experience - Ejaculation
About this WisdomCard
- Contributor: Carolyn DeLucas
- Reviewer: Tara Salamone
- Supervised by: The OrganizedWisdom Physician Review Team
- Last update: Oct. 15, 2009
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About WisdomCard
Meet our contributors and reviewers
- Contributor: Carolyn DeLucas
- Reviewer: Tara Salamone
- Supervised by: The OrganizedWisdom Physician Review Team
- Redirects: Ejaculation Causes, Causes Of Ejaculation, Ejaculation Types, Types Of Ejaculation, Ejaculation Disorders, Disorders Of Ejaculation, Ejaculation Problems, Problems With Ejaculation, Ejaculation
- Last update: Jun. 3, 2009
Each WisdomCard is handcrafted by our team of physician-guided health advocates. Our goal is to make it easy for you to find the most useful health resources for any health topic by filtering out spam and bad links.
