Penile Sensitivity and Temperature Effects on the Glans

The glans of the penis is exposed, but in cold weather, it becomes fully covered?

The glans penis is fully exposed during erection under normal circumstances, but when the weather is cold, it retracts and becomes tightly covered.
It feels like the shaft of the penis has a spring-like sensation when the glans is exposed, but this sensation does not occur at the ends.
Is there a connection with the greenish discoloration at the tip of the urethra?

Mr. Wang, 10~19 year old female. Ask Date: 2016/03/26

Dr. Fu Shizhang reply Urology

The foreskin can also be affected by weather changes, leading to expansion and contraction, primarily to maintain the body's temperature.
Whether this results in severe phimosis or necessitates a circumcision must be evaluated in a urology clinic.
Regarding the greenish color at the tip of the urethra, it is advisable to clarify whether it refers to skin color or discharge, and a clinic visit for examination is recommended.
Online consultations cannot replace an in-person medical interview and physical examination by a physician; if there is a medical condition, it is still advisable to seek care at a healthcare facility.

Reply Date: 2016/03/26

More Info

Understanding penile sensitivity and the effects of temperature on the glans (the head of the penis) is an important aspect of male sexual health. The glans is highly sensitive due to a dense concentration of nerve endings, which play a crucial role in sexual arousal and pleasure.
In normal circumstances, the glans is exposed when the penis is erect, allowing for stimulation and sensitivity. However, temperature can significantly affect the appearance and sensitivity of the glans. When exposed to cold temperatures, the body responds by constricting blood vessels, which can lead to a retraction of the penis and the glans becoming less exposed. This is a natural physiological response aimed at preserving body heat. The sensation of the penis feeling "tight" or "springy" can be attributed to the contraction of the surrounding tissues and the retraction of the glans into the body.

The greenish discoloration you mentioned at the urethral opening could be a cause for concern. It may indicate a potential infection or irritation, such as a sexually transmitted infection (STI) or a urinary tract infection (UTI). Discharge from the urethra, especially if it is discolored, warrants a medical evaluation. It is essential to consult a healthcare provider for a proper diagnosis and treatment if you notice any unusual symptoms, including changes in color, consistency, or odor of any discharge.

Additionally, the sensitivity of the glans can vary based on several factors, including hormonal levels, overall health, and psychological factors. Stress, anxiety, and emotional well-being can also play a role in sexual function and sensitivity. If you are experiencing discomfort or changes in sensitivity, it may be beneficial to discuss these concerns with a healthcare professional who specializes in sexual health.

In summary, the glans is sensitive and can react to temperature changes, leading to retraction in cold conditions. However, any unusual symptoms, particularly discharge, should be evaluated by a healthcare provider to rule out infections or other medical conditions. Maintaining good hygiene and being aware of your body’s responses can help you manage your sexual health effectively.

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