It would seem that adult men and women know a lot about the penis. However, this small but important organ holds many secrets, there are also a number of interesting facts that we are going to describe now.

1. Men Don’t Have Bones in The Penis, Probably due to Monogamy

Many placental animals have a so-called ‘os priapi’ ( baculum) in the penis, which is intended for prolongation of sexual intercourse duration. The baculum consist of bone tissue. Scientists from the University of London studied the length of this bone in more than 2 thousand mammals. The data obtained indicate that the longer it is, the longer coitus can last. The baculum was found in most primates, with the exception of tarsiers and some species of monkeys. It is also absent in homo sapiens, although our ancestors had such an ‘accessory’.

monogamy in men

Researchers believe that the bone disappeared during evolution, when men became more monogamous than polygamous. When men began to live mainly with one partner for a long period, the need for this bone disappeared. Although its disappearance might have been caused by other reasons, since it is not entirely clear why it is absent in monkeys.

2. Penis Fractures Are Possible, Though It Has No Bone

Although the penis consists of muscle tissue and blood vessels, it can be broken, such cases occurred during hard sex. Physically, a fracture is a severe damage to the tunica alba (tunica albuginea) covering the cavernous bodies of the penis. Symptoms include acute pain, crunching, unwanted urine leakage, and sudden cessation of erection (detumescence).

No matter how humiliating it might seem, if such an incident has happened, you need to go to the doctor urgently, because this injury is serious and requires urgent medical intervention, preferably surgical, since non-surgical methods are associated with a high level of complications. Untreated injury can lead to permanent erectile dysfunction. Well, to prevent this, it is recommended to abandon excesses in sex, or at least be careful.

3. There are Two Types of Penises or Appearance is Deceptive

In many men, the penis is small in a calm state, but significantly expands and lengthens during arousal. But in some males, the penis can have impressive size in a flaccid state, but virtually does not increase during erection.

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erection control by spinal cord

4. Erection is Controlled by the Spinal Cord

Contrary to popular belief, it is the spinal cord and not the brain that is responsible for direct control of erectile function, for example, during irritation of the nerve endings of the glans penis. Of course, the brain is also involved, but it sends psychic stimuli and actually has nothing to do with reflex erection. But indeed, in the brain there are higher centers of erection control, while spinal cord functions at the local level.

5. Most Men Overestimate Their Penis Size in Flaccid State

According to one survey, more than 90 men gave an incorrect preliminary estimate of the size of their penis in a relaxed state before the measurement. Surveyed men also reported that their worries about penis size vanished after they were informed about average sizes and got to know about their own measurements.

6. The Penis Undergoes Transformation from Clitoris-Like Organ

When the fetus is formed in the womb, both external and internal genital organs represent the same generalized structure, at this time the penis is actually the clitoris. At a certain stage, the influence of male hormones leads to the formation of the penis and testicles.

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smoking and penis size

7. Smoking May Lead to a Decrease in Penis Size

Experts warn: smoking can make your penis shrink. This is due to the fact that the blood vessels are narrowing, which leads to a decrease in the length of the penis by about 0.5 inches in an erected state.

Inveterate smokers may face not only penis shrinkage but also erectile dysfunction. This is associated with the fact that smoking negatively affects the blood flow and the state of the cardiovascular system as a whole.

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