It can be as long as a finger in a monkey. In the walrus, it can be two feet long. But the human male has lost it completely. And researchers are a little stumped. Known as the baculum to scientists with an interest, the penis bone is a marvel of evolution. It pops up in mammals and primates around the world, but varies so much in terms of length and whether it is present at all, that it is described as the most diverse bone ever to exist.
Why Do Some Mammals Have a Penis Bone? Evolutionary Puzzle Explained
How Did Man Lose His Penis Bone? | UCL Researchers in Museums
Urology Case Reports recently published a report of a year-old man's penis quite literally turning into bone: a rare disease known as penile ossification. The gentleman had apparently fallen while walking with his cane, and went to the hospital to get checked out. When doctors took x-rays of his pelvic region since he's landed on his behind , they noticed the presence of ossification—a. Penile ossification is an extremely rare condition, with fewer than 40 documented cases. Often, it's associated with Peyronie's Disease PD , which is caused by scar tissue, called plaque, that forms inside the penis.
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By Tim Collins For Mailonline. Biologists used innovative 3D scanning and engineering-inspired computer simulations to solve the case. It has never been understood why tigers, bears, wolves and others developed a baculum - a mineral stick-like bone through the middle of their penis glans. Some species of male mammals mate so frequently and for such prolonged periods that the bone is needed to ensure their penises survive the encounter. The study revealed that the bones have evolved different shapes and sizes, from the ice-cream scoop form of the honey badger to the long thin bone of a black bear.
The cracking sound, the discoloration, and, most likely, the screams are the stuff of horror movies. These are called corpora cavernosa, and during an erection, they fill with blood. Bend an erect penis at enough of an angle and these blood-filled cylinders can essentially burst, making a cracking or popping sound cringing forever followed by deflation of the erection, swelling, bruising, and pain. Lots and lots of pain. To avoid making an actual penis look more like an eggplant emoji than it should, read on for the sex acts likeliest to "break" one.