What are the different parts of the?
The tissue of thegland can be divided into three different zones, listed here from innermost to outermost, which encircle the urethra like layers of an onion: 1 The transition zone is found on the inside of the gland and is the smallest part of the prostate (about 10%). It surrounds the urethra between the bladder and the upper third of the urethra. 2 The central zone surrounds the transition zone and makes up about one quarter of the prostate’s total mass. This is where the duct common to the prostate, seminal duct and the seminal vesicles is found. This duct is also known as the ejaculatory duct (Ductus ejaculatorius). 3 The peripheral zone represents the main part of the prostate gland – about 70% of the tissue mass is part of the peripheral zone.
What is the function of the prostate gland?
The prostate’s most important function is the production of a fluid that, together with sperm cells from the testicles and fluids from other glands, makes up semen.
What happens to the sperm cells during ejaculation?
During ejaculation these muscle cells contract and forcefully press the fluid that has been stored in the prostate out into the urethra. This causes the fluid and the sperm cells, together with fluid from other glands, to combine to form semen, which is then released.
How much does a prostate weigh?
The prostate is a gland about the size of a chestnut and weighs about 30 grams (about 1 ounce). It is part of the male reproductive system and is located inside the body.
What is the purpose of prostatic secretion?
All of these fluids are mixed together in the urethra. The prostatic secretion is important for the proper functioning of the sperm cells, and therefore also for fertility in men. The thin, milky liquid contains many enzymes such as the prostate-specific antigen (PSA). This enzyme makes the semen thinner.
Why is prostatic secretion important?
The prostatic secretion is important for the proper functioning of the sperm cells, and therefore also for fertility in men. The thin, milky liquid contains many enzymes such as the prostate-specific antigen (PSA). This enzyme makes the semen thinner.
What is the term for the growth of transition zone tissue?
The transition zone tissue tends to undergo benign (non-cancerous) growth in old age.The medical term for this is benign prostatic hyperplasia (BPH). If this tissue presses against the bladder and the urethra, it can lead to difficulties urinating. This is a common problem among older men.
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