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Endogenous stones: These are small stones formed within the acini of the prostate. They have a higher correlation with age. [3] Extrinsic stones: These stones are usually larger and formed due to the reflux of urine into the prostate. [3] The exact mechanism of the development of prostatic calculi is still unclear. [3]
Calculi in the urinary system are called urinary calculi and include kidney stones (also called renal calculi or nephroliths) and bladder stones (also called vesical calculi or cystoliths). They can have any of several compositions, including mixed. Principal compositions include oxalate and urate. Calculi in the prostate are called prostatic ...
The prostate is covered in a surface called the prostatic capsule or prostatic fascia. [4] The internal structure of the prostate has been described using both lobes and zones. [5] [2] Because of the variation in descriptions and definitions of lobes, the zone classification is used more predominantly. [2]
The prostate is a gland that is deep within the pelvic cavity of those with male anatomy. It is responsible for producing fluid that helps with sperm movement. Due to its location within the body, when diseased, it can affect the reproductive and urinary systems. [3]
Benign prostatic hyperplasia (BPH), also called prostate enlargement, is a noncancerous increase in size of the prostate gland. [1] Symptoms may include frequent urination , trouble starting to urinate, weak stream, inability to urinate , or loss of bladder control . [ 1 ]
Prostasomes are extracellular vesicles (40-500 nm in diameter) secreted by the prostate gland epithelial cells into seminal fluid. [1] They possess an unusual lipid composition and a tight and highly ordered structure of their lipid bilayer membrane, resembling that of lipid raft domains.
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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.