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Related Concept Videos

Penis01:29

Penis

The penis serves a dual role in sexual reproduction and urination. It consists of three main regions: the glans penis, the body, and the root, each with distinct functions and unique anatomical features.
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
External Female Genitals01:15

External Female Genitals

The vulva encompasses the external structures of the female reproductive system. At the forefront is the monpubis, a cushion of fatty tissue atop the pubic bone. Once puberty sets in, this area typically grows hair. Extending from just behind the mons pubis are the labia majora (labia = 'lips'; majora = 'larger'), which are larger skin fs olds coated with hair. Nestled within are the labia minora (labia = 'lips'; minora = 'smaller'), which are thinner, more pigmented, and hairless. While the...
Male Sexual Response: Erection & Ejaculation01:17

Male Sexual Response: Erection & Ejaculation

Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...

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Related Experiment Video

Updated: Jul 5, 2026

Microscopic Replantation of Penile Glans Amputation Due to Circumcision
07:28

Microscopic Replantation of Penile Glans Amputation Due to Circumcision

Published on: June 3, 2022

[Circumcision affects glans penis vibration perception threshold].

De-Min Yang1, Hui Lin, Bin Zhang

  • 1Department of Urology, the First Hospital Affiliated to Guangzhou Medical College, Guangzhou, Guangdong 510120, China.

Zhonghua Nan Ke Xue = National Journal of Andrology
|May 17, 2008
PubMed
Summary
This summary is machine-generated.

Circumcision significantly alters glans penis sensitivity. Studies show a decrease in vibration perception after the procedure, indicating reduced sensitivity in circumcised individuals compared to those with redundant prepuce.

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Related Experiment Videos

Last Updated: Jul 5, 2026

Microscopic Replantation of Penile Glans Amputation Due to Circumcision
07:28

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Published on: June 3, 2022

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception
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Published on: March 3, 2018

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

Published on: September 1, 2016

Area of Science:

  • Urology
  • Neuroscience
  • Dermatology

Context:

  • Male genital sensitivity is crucial for sexual function.
  • Simple redundant prepuce is a common condition affecting the glans penis.
  • Assessing glans penis sensitivity is important for understanding sexual health.

Purpose:

  • To evaluate the impact of circumcision on glans penis sensitivity.
  • To compare vibrotactile thresholds in normal men and those with redundant prepuce.
  • To analyze changes in glans penis sensitivity before and after circumcision.

Summary:

  • Vibrotactile thresholds of the glans penis and forefinger were measured in 73 controls and 96 patients with redundant prepuce before and after circumcision.
  • A statistically significant difference in glans penis vibration perception was found between normal men and patients with redundant prepuce.
  • Glans penis perception sensitivity decreased after circumcision, as evidenced by significant changes in vibrotactile thresholds post-operation.

Impact:

  • Findings suggest that circumcision may lead to a reduction in glans penis sensitivity.
  • This research contributes to the understanding of the sensory consequences of circumcision.
  • Results have implications for sexual health counseling and patient decision-making regarding circumcision.