Summary
The entire prostate of a 10 year old boy was cut with a microtome into 4300 serial slices. The nerves were stained using a monoclonal antibody called anti PS 100. All information was recorded using a computer reconstruction programme. The prostatic nerve supply is very abundant. The nerve fibers of the cranial prostate (central zone) follow a pathway parallel to the anterior surface of the seminal vesicles going towards the caudal prostate. The periurethral zone is widely innervated by nerves arising from the periphery. The caudal prostate also contains many nerve fibers of variable size. We identified many nerve fibers along the anterior surface of the seminal vesicles and surrounding the lateral aspect of the prostatic capsule. They penetrate the capsule and the whole circumference of the caudal prostate. The prostatic capsule is covered by numerous nerve fibers and ganglia, which form a true periprostatic nerve network. The urethra is supplied by numerous thick fibers of more than 30 µm in diameter.
Résumé
La prostate d'un enfant de 10 ans, a été sectionnée au microtome en 4 300 coupes. Les nerfs ont été colorés avec un anticorps monoclonal anti PS 100 et toutes les informations ont été recueillies sur un programme informatisé. L'innervation de la prostate est très abondante, les fibres nerveuses de la prostate craniale (zone centrale) suivent une voie parallèle à la face antérieure des vésicules séminales, vers la prostate caudale. La zone péri-urétrale est richement innervée par des nerfs venant de la périphérie, la prostate caudale contient aussi de nombreuses fibres nerveuses de taille variable. Nous avons identifié un grand nombre de nerfs le long de la face antérieure des vésicules séminales et entourant les faces latérales de la capsule prostatique, elles pénètrent la capsule prostatique et toute la circonférence de la prostate caudale. La capsule prostatique est couverte par de nombreuses fibres nerveuses et des ganglions qui forment un véritable réseau nerveux péri prostatique. L'urètre est innervé par de nombreuses fibres de plus de 30 µm de diamètre.
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This study was made with the aid of a grant from the ARTP (Association pour la Recherche sur les Tumeurs Prostatiques)
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Benoit, G., Merlaud, L., Meduri, G. et al. Anatomy of the prostatic nerves. Surg Radiol Anat 16, 23–29 (1994). https://doi.org/10.1007/BF01627917
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DOI: https://doi.org/10.1007/BF01627917