Artwork of the anatomy of the prostate gland showing three glandular regions: peripheral zone (PZ) making up 70% of the gland and surrounds the urethra; central zone (CZ) making up 25% of the gland and surrounds the ejaculatory ducts; transition zone (TZ) making up 5% of the gland surrounding the proximal urethra. The prostate gland secretes a fluid making up semen | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gardiner, Peter |
Taille de l’image : | 4195 px × 4169 px |
Model Release : | Non requis |
Restrictions : | - |