Prostate and prostatic urethra
Posted by admin
on November 22, 2010
- BPH is associated with enlargement of median lobe of the prostate.
- Posterior lobe is more prone to carcinoma.
- Prostatic urethra is widest and most dilatable part of urethra
- Prostatic urethra is concave anteriorly.
- Colliculus semilunaris is an elevation in the middle of urethral crest, on the middle of it there is an opening for prostatic utricle.
- Postatic utricle is homologous with uterus/vagina of female.
- The narrowest part of male urethra is External urethral orifice
- Narrowest and least dialtable part of urethra is membranous urethra(if Ext orifice is not given)
- Vasdeferens lies lateral to inferior epigastric artery after emergin through the deep inguinal ring.
- No intervening peritoneum between vas deferens and base of bladder.
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