Conjoint tendon
also known as superior tendon of abdominal cavity.
| Conjoint tendon | |
|---|---|
 The interfoveolar ligament, seen from in front. (Inguinal aponeurotic falx labeled at lower left.) | |
| Details | |
| Identifiers | |
| Latin | falx inguinalis, tendo conjunctivus |
| TA98 | Lua error in Module:Wikidata at line 746: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] | |
The conjoint tendon (previously known as the inguinal aponeurotic falx) is a sheath of connective tissue formed from the lower part of the common aponeurosis of the abdominal internal oblique muscle and the transversus abdominis muscle, joining the muscle to the pelvis. It forms the medial part of the posterior wall of the inguinal canal.
Structure
[edit | edit source]The conjoint tendon is formed from the lower part of the common aponeurosis of the abdominal internal oblique muscle and the transversus abdominis muscle.[1] It inserts into the pubic crest and the pectineal line immediately behind the superficial inguinal ring.[1] It is usually conjoint with the tendon of the internal oblique muscle, but they may be separate as well. It forms the medial part of the posterior wall of the inguinal canal.[1]
Clinical significance
[edit | edit source]The conjoint tendon serves to protect what would otherwise be a weak point in the abdominal wall.[1] A weakening of the conjoint tendon can precipitate a direct inguinal hernia.[1][2]
A direct inguinal hernia will protrude through Hesselbach's triangle, whose borders are the rectus abdominis (medially), inferior epigastric artery and inferior epigastric vein (superolaterally), and the inguinal ligament (inferiorly). The hernia lies medial to the inferior epigastric artery.[3] This is in contrast to an indirect inguinal hernia, which will protrude laterally to the inferior epigastric artery and is most commonly due to an embryological defect in the closure of the deep inguinal ring.
History
[edit | edit source]The conjoint tendon is also known as the inguinal aponeurotic falx, and Henle's ligament.[4]
Additional images
[edit | edit source]-
Anterior abdominal wall. Intermediate dissection. Anterior view
See also
[edit | edit source]- Falx (disambiguation) — other parts of the anatomy with names including "falx"
- interfoveolar ligament
References
[edit | edit source]- ^ a b c d e Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Relevant Anatomy Archived 2012-12-30 at the Wayback Machine at University of Connecticut Health Center. Retrieved Jan 2013
- ^ Clinical Anatomy by Ernest W. April. 3rd Edition. Published by Lippincott Williams & Wilkins, 1997. Pages 326-327.
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
External links
[edit | edit source]- Anatomy photo:35:18-0103 at the SUNY Downstate Medical Center - "Anterior Abdominal Wall: Reflection of the Transversus Abdominis Muscle"
- Anatomy image:7531 at the SUNY Downstate Medical Center
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