Spermatic cord: Difference between revisions
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==Overview== | |||
The '''spermatic cord''' is the name given to the cord-like structure in males formed by the [[vas deferens]] and surrounding tissue that run from the [[abdomen]] down to each [[testicle]]. | The '''spermatic cord''' is the name given to the cord-like structure in males formed by the [[vas deferens]] and surrounding tissue that run from the [[abdomen]] down to each [[testicle]]. | ||
==Contents of spermatic cord== | ==Contents of spermatic cord== | ||
* arteries: [[testicular artery]], [[Artery of the ductus deferens|deferential artery]], [[cremasteric artery]] | * arteries: [[testicular artery]], [[Artery of the ductus deferens|deferential artery]], [[cremasteric artery]] | ||
* nerves: nerve to [[Cremaster_muscle|cremaster]] ([[Genital branch of genitofemoral nerve|genital branch]] of the [[genitofemoral nerve]]) , [[Sympathetic nervous system|sympathetic]] nerves | * nerves: nerve to [[Cremaster_muscle|cremaster]] ([[Genital branch of genitofemoral nerve|genital branch]] of the [[genitofemoral nerve]]) , [[Sympathetic nervous system|sympathetic]] nerves | ||
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* [[pampiniform plexus]] | * [[pampiniform plexus]] | ||
* [[lymphatic vessels]] | * [[lymphatic vessels]] | ||
* | * processus vaginalis (remains of) | ||
==Coverings== | ==Coverings== | ||
The spermatic cord is ensheathed in three layers of tissue: | The spermatic cord is ensheathed in three layers of tissue: | ||
* ''[[external spermatic fascia]]'', an extension of the | * ''[[external spermatic fascia]]'', an extension of the innominate fascia that overlies the [[aponeurosis]] of the [[external oblique muscle]] | ||
* ''cremasteric muscle and fascia'', formed from a continuation of the [[internal oblique muscle]] and its fascia | * ''cremasteric muscle and fascia'', formed from a continuation of the [[internal oblique muscle]] and its fascia | ||
* ''[[internal spermatic fascia]]'', continuous with the [[transversalis fascia]] | * ''[[internal spermatic fascia]]'', continuous with the [[transversalis fascia]] | ||
==Clinical significance== | ==Clinical significance== | ||
The spermatic cord is sensitive to [[torque|torsion]], in which the testicle rotates within its sac and kinks off its own blood supply. [[Testicular torsion]] may result in irreversible damage to the testicle within hours. | The spermatic cord is sensitive to [[torque|torsion]], in which the testicle rotates within its sac and kinks off its own blood supply. [[Testicular torsion]] may result in irreversible damage to the testicle within hours. | ||
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==Additional images== | ==Additional images== | ||
<gallery> | <gallery> | ||
Image:Gray549.png|The left femoral triangle. | Image:Gray549.png|The left femoral triangle. | ||
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* {{ViennaCrossSection|pelvis/pelvis-e12-15}} | * {{ViennaCrossSection|pelvis/pelvis-e12-15}} | ||
* {{NormanAnatomy|inguinalregion}} ({{NormanAnatomyFig|spermaticcord}}) | * {{NormanAnatomy|inguinalregion}} ({{NormanAnatomyFig|spermaticcord}}) | ||
{{Male reproductive system}} | |||
[[Category:Male reproductive system]] | [[Category:Male reproductive system]] | ||
[[de:Samenstrang]] | [[de:Samenstrang]] | ||
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[[simple:Spermatic cord]] | [[simple:Spermatic cord]] | ||
[[zh:精索]] | [[zh:精索]] | ||
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Latest revision as of 16:11, 20 August 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
The spermatic cord is the name given to the cord-like structure in males formed by the vas deferens and surrounding tissue that run from the abdomen down to each testicle.
Contents of spermatic cord
- arteries: testicular artery, deferential artery, cremasteric artery
- nerves: nerve to cremaster (genital branch of the genitofemoral nerve) , sympathetic nerves
- vas deferens
- pampiniform plexus
- lymphatic vessels
- processus vaginalis (remains of)
Coverings
The spermatic cord is ensheathed in three layers of tissue:
- external spermatic fascia, an extension of the innominate fascia that overlies the aponeurosis of the external oblique muscle
- cremasteric muscle and fascia, formed from a continuation of the internal oblique muscle and its fascia
- internal spermatic fascia, continuous with the transversalis fascia
Clinical significance
The spermatic cord is sensitive to torsion, in which the testicle rotates within its sac and kinks off its own blood supply. Testicular torsion may result in irreversible damage to the testicle within hours.
The contents of the abdominal cavity may protrude into the spermatic cord, producing an indirect inguinal hernia.
Additional images
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The left femoral triangle. -
The scrotum. -
The right testis, exposed by laying open the tunica vaginalis.
External links
- Template:SUNYAnatomyFigs - "The inguinal canal and derivation of the layers of the spermatic cord."
- Template:SUNYAnatomyImage
- Template:ViennaCrossSection
- Template:ViennaCrossSection
- Template:NormanAnatomy (Template:NormanAnatomyFig)
Template:Male reproductive system
de:Samenstrang nl:Zaadstreng simple:Spermatic cord