Erectile Dysfunction

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Questions to Ask Your Doctor about Erectile Dysfunction (ED)(Free Handout)


Anatomy of the Penis



The internal structure of the penis consists of two cylinder-shaped vascular tissue bodies (corpora cavernosa) that run throughout the penis; the urethra (tube for expelling urine and ejaculate); erectile tissue surrounding the urethra; two main arteries; and several veins and nerves. The longest part of the penis is the shaft, at the end of which is the head, or glans penis. The opening ...Read the full article