MICROANATOMY

Detailed explanation-1: -During an erection, the arteries expand to increase blood flow to the penis. The blood fills two tubes of spongy tissue in the penis (corpus cavernosa). This causes them to swell, making the penis larger and stiff, so it angles out from the body.

Detailed explanation-2: -The corpus cavernosum forms most of the penis and contains blood vessels that fill with blood to help make an erection. Anatomy of the penis.

Detailed explanation-3: -During erection, the corpora cavernosa will become engorged with arterial blood, a process called tumescence. This may result from any of various physiological stimuli, also known as sexual arousal. The corpus spongiosum is a single tubular structure located just below the corpora cavernosa.

Detailed explanation-4: -Common signs of erectile tissue damage include pain, swelling, erectile dysfunction and curved erections. If you injure your penis, it’s important to seek medical help to find out what’s going on inside the tissue and, if appropriate, get prompt treatment to prevent complications.