Genitourinary and reproductive systems


The first cycle of menstruation, which appears in a girl in adolescence, is called a menarche. Specialists can not yet understand what is the main etiological factor for the onset of menarche at any age.

Cervical canal of the cervix

Various changes and deformations of this channel can contribute to the pathology of gestation, as well as the very process of fertilization. Therefore, it is important to have an understanding of anatomy and physiological characteristics, as well as possible pathological changes that may be the cause of the disease.

Cervical cycle

The cyclicity of female fertility and the functioning of reproductive organs are inherent in nature and are associated with the production of sex hormones during the menstrual cycle. The same factors determine the cervical cycle.

Sperm: composition and what is needed

Sperm is a real indicator of a man's health. So, all the changes that occur with it can signal health problems.

Sperm properties

Does the smell of sperm play a special role? Naturally, this basic criterion needs to be paid attention. Because the normal smell of sperm should resemble the aroma of chestnuts.

Sperm viscosity

In most cases, the viscosity of semen is due to the inflammatory processes that arise in the adnexa of the sexual glands and testicles of men.

Color of sperm

What should be the normal color of the sperm? It must immediately be noted that the smell and taste of sperm are individual. But still, the norm is the smell, which can be compared to the aroma of chestnuts. Sometimes he gives a little bleach.

Amount of sperm

Replenish the amount of sperm is not so difficult, the main thing that a man had a desire to do it. It is important to avoid overheating of the testicles, the representatives of the stronger sex teach this childhood.

Amblerous water

The amniotic fluid can be considered as a large part of the extracellular fluid of the fetus, since its osmotic indices, electrolyte and biochemical composition are identical to the fetal plasma.


In the human body, as is known, there are single and paired organs. The paired organs, including the kidneys. Normally, there should be two of them, however, with abnormal development of the embryo, it is possible to lay more buds, although only two of them remain functional, others do not take any part in the vital activity of the organism as a whole.


You are reporting a typo in the following text:
Simply click the "Send typo report" button to complete the report. You can also include a comment.