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What are the regions of the prostate gland?

The prostate gland has four distinct regions:
  1. anterior fibromuscular stroma—anchoring point of the urethral sphincter that controls urination: it does not have any glands and therefore cancer or enlargement does not develop here;
  2. peripheral zone—almost all prostate cancers start here;
  3. central zone—involved with the connection of the seminal vesicles to the prostate and is rarely associated with any disease process;
  4. transition zone— site of development for BPH, benign prostatic hyperplasia (enlargement).

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.