Why Is the Glans Soft While the Penis Erects?

Glans issues

The reason why the shaft of the penis becomes erect and firm while the glans (tip) remains softer can be attributed to differences in tissue structure and blood flow.
The shaft of the penis contains erectile tissue, which fills with blood during arousal, leading to an erection.
In contrast, the glans has a different composition and is less involved in the erectile process, resulting in it being softer compared to the shaft during an erection.

Xiao Cai, 30~39 year old female. Ask Date: 2016/02/20

Dr. Xu Weikai reply Urology

Hello, the stimulation is insufficient.
If there are any unclear points, feel free to ask again, and we can discuss and research further.
Answers found online should only be used as a reference; if necessary, it is important to seek medical attention at a healthcare facility.
This message is from Dr.
Hsu Wei-Kai, the Director of the Urology Department at Taitung Hospital, Ministry of Health and Welfare, who cares about your well-being.

Reply Date: 2016/02/20

More Info

The phenomenon of having a hard penis while the glans (or head of the penis) remains soft during an erection can be attributed to several anatomical and physiological factors. Understanding this requires a basic knowledge of the anatomy of the penis and how erections occur.

Firstly, the penis is composed of three main parts: the shaft, the glans, and the erectile tissues. The shaft contains two corpora cavernosa and one corpus spongiosum. The corpora cavernosa are two cylindrical structures that run along the length of the penis and are responsible for the rigidity of the erection. The corpus spongiosum surrounds the urethra and extends to form the glans.

During sexual arousal, the brain sends signals that increase blood flow to the penis. This increased blood flow fills the corpora cavernosa, causing them to expand and harden, which results in an erection. The pressure from the blood filling these chambers compresses the veins that would normally drain blood away from the penis, maintaining the erection.

However, the glans is primarily made up of the corpus spongiosum, which is softer and more flexible than the corpora cavernosa. This anatomical difference means that while the shaft of the penis becomes rigid due to the engorgement of blood, the glans may not experience the same level of rigidity. In many cases, the glans can remain softer to allow for flexibility during sexual activity and to facilitate penetration.

Another factor to consider is the role of the foreskin (if present) and the sensitivity of the glans. The glans is covered by a mucous membrane that is sensitive and can be affected by various factors, including arousal, stimulation, and even the presence of lubrication. During an erection, the glans may not need to be as rigid as the shaft, as its primary function is to provide sensation and facilitate sexual pleasure rather than structural support.

In some cases, individuals may notice that their glans feels softer during an erection due to the level of arousal or stimulation. If there is insufficient stimulation or if the individual is experiencing anxiety or stress, the glans may not fully engorge with blood, leading to a softer feeling. Additionally, certain medical conditions, such as Peyronie's disease or other erectile dysfunction issues, can affect the firmness of the glans during an erection.

It is also worth noting that variations in anatomy and physiology can lead to differences in how erections feel and appear among individuals. Some men may experience a firmer glans during an erection, while others may not, and this can be perfectly normal.

In conclusion, the softness of the glans during an erection is primarily due to its anatomical structure and the physiological processes involved in achieving an erection. The glans serves different functions compared to the shaft, and its flexibility is important for sexual activity. If there are concerns about erectile function or changes in the firmness of the glans, it is advisable to consult a healthcare professional for further evaluation and guidance.

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