Penile Issues: What Causes Visible Changes During Erection?

Penile issues

The line shown in the image is not very prominent when not erect, but becomes noticeable and protrudes when erect.
It could be the corpora cavernosa of the penis or a blood vessel.
If it is indeed a blood vessel, it is generally not dangerous.
However, if there are concerns about unusual changes or symptoms, it is advisable to consult a healthcare professional for a proper evaluation.

12345, 10~19 year old female. Ask Date: 2021/09/30

Dr. Li Minghui reply Urology

From the image, it appears that the corpora cavernosa of the penis are symmetrical on both sides.

Reply Date: 2021/09/30

More Info

When it comes to visible changes in the penis during an erection, it is essential to understand the anatomy and physiology involved. The penis consists of three main components: the corpora cavernosa (two cylindrical structures that run along the length of the penis), the corpus spongiosum (which surrounds the urethra and forms the glans), and the surrounding skin and connective tissue.
The "line" or "ridge" you are observing during an erection is likely the result of the engorgement of the corpora cavernosa with blood. When a man becomes sexually aroused, the brain sends signals that cause blood vessels in the penis to dilate, allowing more blood to flow into these structures. This increased blood flow causes the penis to enlarge and become rigid, leading to an erection. The visible changes you see, such as the prominent ridge or line, are normal and indicate that the erectile tissues are filling with blood.

In terms of safety, the presence of this ridge or any visible changes during an erection is typically not a cause for concern. However, if you experience any pain, discomfort, or other unusual symptoms (such as a significant change in the shape of the penis, discoloration, or difficulty achieving or maintaining an erection), it may be wise to consult a healthcare professional. These could be signs of conditions such as Peyronie's disease, which involves the development of fibrous scar tissue inside the penis, leading to curvature and pain during erections.

It's also important to note that variations in the appearance of the penis during an erection can be influenced by several factors, including body fat percentage, skin elasticity, and overall health. For instance, individuals with lower body fat may notice more pronounced vascular structures due to less subcutaneous fat covering the penis.

If you have concerns about your penile health or the changes you observe, it is advisable to seek a consultation with a urologist. They can provide a thorough examination and address any specific questions or worries you may have. Regular check-ups can help ensure that any potential issues are identified early and managed appropriately.

In summary, the visible changes you observe during an erection, such as the prominent ridge, are typically normal and related to the physiological process of blood engorgement in the erectile tissues. However, if you have any concerns or experience discomfort, it is always best to consult a healthcare professional for personalized advice and reassurance.

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