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词条 Cavernous nerves
释义

  1. Clinical considerations

  2. References

  3. External links

{{Infobox nerve
| Name = Cavernous nerves of clitoris
| Latin = nervi cavernosi clitoridis
| Image =
| Caption =
| Image2 =
| Caption2 =
| Innervates =
| BranchFrom = Uterovaginal plexus
| BranchTo =
}}{{Infobox nerve
| Name = Cavernous nerves of penis
| Latin = nervi cavernosi penis
| Image =
| Caption =
| Image2 =
| Caption2 =
| Innervates =
| BranchFrom = prostatic plexus
| BranchTo =
}}

The cavernous nerves are post-ganglionic parasympathetic nerves that facilitate penile erection and clitoral erection.[1] They arise from cell bodies in the inferior hypogastric plexus where they receive the pre-ganglionic pelvic splanchnic nerves (S2-S4).

In the penis, there are both lesser cavernous nerves and a greater cavernous nerve.

Clinical considerations

These nerves are susceptible to injury following prostatectomy or genital surgery.

Nerve-Sparing prostatectomy was invented for surgeons to avoid injuring the nerves and causing erectile dysfunction complications. During surgery, a doctor may apply a small electrical stimulation to the nerve and measure the erectile function with a penile plethysmograph.[2] This test aids the surgeon in identifying the nerves, which are difficult to see.[3]

References

1. ^{{Cite journal|last=Oakley|first=Susan H.|last2=Mutema|first2=George K.|last3=Crisp|first3=Catrina C.|last4=Estanol|first4=M. Victoria|last5=Kleeman|first5=Steven D.|last6=Fellner|first6=Angela N.|last7=Pauls|first7=Rachel N.|date=September 2013|title=Innervation and histology of the clitoral-urethal complex: a cross-sectional cadaver study|journal=The Journal of Sexual Medicine|volume=10|issue=9|pages=2211–2218|doi=10.1111/jsm.12230|issn=1743-6109|pmid=23809460}}
2. ^Dr. Peter Scardino's Prostate Book, Avery, 2005
3. ^Blue Torch   December 2007

External links

  • Gray's Anatomy, 1918 edition
{{Autonomic}}{{Authority control}}

2 : Parasympathetic nervous system|Human penis anatomy

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