What is the penis made of?
The penis is basically three cylinders of spongy erectile tissue full of blood vessels. The urethra, the body’s outlet tube for both sperm and urine (although only one at a time), passes through the middle of the smallest of these – the corpus spongiosum – which is found on the underside of the penis. The corpus spongiosum expands at the tip to form the head of the penis called the glans. The glans is protected by the foreskin. My penis is too small/too big/the wrong shape. Penises come in all shapes and sizes with bumps and bends and visible veins, the lot. Genuine problems that might actually stop you peeing or enjoying sex are rare and usually picked up when you’re very young – so, if you got through the nappy stage you’re probably good to go. Whatever their size to begin with, all penises, when they’re erect, are about the same length (between about five and a half and six and a quarter inches long). But it’s no big deal. As the vagina can be big enough to let a baby out or small e
