| Feature | Description | |---------|-------------| | | Posterior to the urinary bladder, anterior to the rectum, surrounding the proximal urethra. | | Size | Approximately 20 g in a healthy adult (≈ 20 mm wide, 30 mm tall, 15 mm deep). | | Zonal Architecture | Peripheral zone (≈ 70 % of glandular tissue; site of most cancers), central zone , transition zone (site of benign prostatic hyperplasia), and a small anterior fibromuscular stroma . | | Functions | • Produces ~30 % of seminal fluid (prostatic fluid) containing enzymes (e.g., prostate‑specific antigen, PSA), zinc, and citric acid that support sperm motility and viability. • Contributes to ejaculate volume and pH regulation. • Provides a protective barrier against pathogens in the urinary tract. |
Patient empowerment stems from understanding these modifiable risk factors and from active participation in screening decisions. prostate myvidster
As men age, the prostate often undergoes changes that can lead to three main health issues: Ask a Nurse: What is a prostate? | Feature | Description | |---------|-------------| | |
The prostate gland is a small, walnut-sized gland located in the male reproductive system. It plays a crucial role in the production of semen and helps regulate urine flow. As men age, the prostate gland can become enlarged, leading to various health issues. | | Functions | • Produces ~30 %