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The prostate is an accessory gland of the male reproductive system and a muscle-driven mechanical switch between urination and ejaculation.
The prostatic urethra, the widest and most dilatable part of the urethra canal, is about 3 cm long.. It runs almost vertically through the prostate from its base to its apex, lying nearer its anterior than its posterior surface; the form of the canal is spindle-shaped, being wider in the middle than at either extremity, and narrowest below, where it joins the membranous portion.
The prostate gland derives from the urogenital sinus, and the other embryonic structures differentiate into the external genitalia. In the absence of testicular secretions, the female genitalia are formed. [7]
Prostate cancer is common, with almost 300,000 new diagnoses in the U.S. each year; one in every eight men is diagnosed with it in their lifetime. Prostate cancer is the second leading cause of ...
The prostate can be prone to issues such as enlargement, which can affect the urinary system, but the exact cause of an enlarged prostate is unknown. Symptoms include : Difficulties urinating
An enlarged prostate doesn’t always cause symptoms, but when it does, they can be annoying. And some men have more trouble than others. A look at the condition, also known as benign prostatic ...
Fluids are added by the seminal vesicles and the vasa deferentia turn into the ejaculatory ducts, which join the urethra inside the prostate. The prostate, as well as the bulbourethral glands, add further secretions (including pre-ejaculate), and the semen is expelled through the penis. Ejaculation has two phases: emission and ejaculation proper.
Seminal fluid continues down the ejaculatory duct into the prostate gland, where an alkaline prostatic fluid is added. [4] This addition provides the texture and odor associated with semen. [ 4 ] The alkalinity of the prostatic fluid serves to neutralize the acidity of the female vaginal tract in order to prolong the survival of sperm in this ...