Men's sexual desire strong but no sperm induced couple puzzled experts detailed sperm production pro

according to the "Morning News" reported, aline and Juan Zi have been married for three years, although each other be deeply attached to each other, the harmonious life of husband and wife is sweet, but still do not have children, it is a pity. Alin sexual strong, although each ejaculate volume are more, but to go to the hospital examination found that his semen without sperm. This result makes the young couple puzzle: how the semen is semen, why not? Shanghai Changjiang Hospital andrology expert Zhang Wei, deputy chief physician one one.

How is the male semen

: and the men after puberty, spermatogonia in the beginning of the blooms, number, each spermatogonial cells after 74 days of division, eventually become sperm. Sperm production is a process how?

Zhang Wei: male sperm production process is this: when a number of spermatogonial cells were developed, another batch of spermatogonial cells also follow the development. Although from spermatogonia to spermatozoa would take more than two months, experienced several stages, but every day there are still more than 50000000 people new spermatogonial cells produced. So following the long turn development, so that each man from adolescence onwards, until old age, every day brought about tens of millions to hundreds of millions of a mature sperm.

After the

sperm from the testis, epididymis continue to mature into. The other end of the vas deferens epididymis and seminal vesicle, and the drain pipe together into the ejaculatory duct through the openings in the urethra, prostate. When the testis development to a certain stage, seminal vesicle, prostate and bulbourethral gland of gland three accelerated maturation. They secrete a liquid is milk white, thick, and has a special smell. Finally and sperm together, become the semen.

The

of sperm in the semen is the raw material of giving birth to new life. As the male and female sex, sperm first encountered is the female reproductive tract fluids, including cervical liquid to sperm vitality and energy supplement with a good helper. They help sperm extraction "hat", so called "acrosome enzyme" material on the head of the sperm head exposed, to find and destroy the egg shell. Only in sperm egg collective siege, outside the transparent film will be more and more thin, finally Cheap NBA ALL STAR Jerseys a Cheap Pacers Jerseys breakthrough into the sperm, fertilized eggs become fertilized eggs. This process is the female oviduct happening. If the egg into the uterus and endometrium in implantation in growth, will become the fetus, a new life form.

normal semen should be consistent with what the standard

snow and ice: semen examination is the most basic items in the diagnosis of male infertility. Semen is mainly about several aspects of what is normal?

Zhang Wei: fresh sperm injection quickly become gelatinous, liquefaction and then in 5 - 30 minutes. Semen liquefaction should Cheap Kings Jerseys measure the viscosity, should Cheap Mavericks Jerseys not have the obvious phenomenon of drawing. The semen volume should be at least 15 milliliter above, otherwise it is not enough to acidic environments and vagina. The sperm density should be in Cheap Basketball Shorts 20000000 / ml or more.