Inguinal ligament: Definition from Answers.com

Ligament: Inguinal ligament

Inguinal ligament is labeled at bottom right.

Structures passing behind the inguinal ligament.
Latin	l. inguinale
Gray's	subject #118 411
From	anterior superior iliac spine
To	pubic tubercle

The inguinal ligament is a band running from the pubic tubercle to the anterior superior iliac spine. Its anatomy is very important for operating on hernia patients.

1 Anatomy
2 Eponym
3 Function
4 Additional images
5 References
6 External links

Anatomy

It forms the base of the inguinal canal which is the place from which the inguinal hernia develops.

The inguinal ligament runs from the anterior superior iliac spine of the ilium to the pubic tubercle of the pubic bone. It is formed by the external abdominal oblique aponeurosis and is continuous with the fascia lata of the thigh.

There is some dispute over the attachments.^[1]

Eponym

It is incorrectly referred to as Poupart's ligament, because Poupart gave it its relevance to hernial repair (he called it "le suspenseur de l'abdomen", the suspender of the abdomen). It is also incorrectly termed the Fallopian ligament.^[2]^[3]

Function

The ligament serves to contain soft tissues as they course anteriorly from the trunk to the lower extremity. This structure demarcates the superior border of the femoral triangle.^[4]

Additional images

Articulations of pelvis. Anterior view.

The subcutaneous inguinal ring.

Femoral sheath laid open to show its three compartments.

The relations of the femoral and abdominal inguinal rings, seen from within the abdomen. Right side.

The left femoral triangle.

Posterior view of the anterior abdominal wall in its lower half. The peritoneum is in place, and the various cords are shining through.

References

^ Acland RD (January 2008). "The inguinal ligament and its lateral attachments: correcting an anatomical error". Clin Anat 21 (1): 55–61. doi:10.1002/ca.20579. PMID 18092366. http://dx.doi.org/10.1002/ca.20579.
^ synd/2633 at Who Named It?
^ F. Poupart. Chirurgie complète. Paris, 1695.
^ Ryan, Jeffrey M.; Starkey, Chad (2002). Evaluation of orthopedic and athletic injuries. Philadelphia: F.A. Davis Co. ISBN 0-8036-0791-1.

External links

1053818915 at GPnotebook
SUNY Figs 12:03-02 - "Deep muscles of the anterior thigh."
SUNY Labs 35:os-0107 - "Anterior Abdominal Wall: Osteology and Surface Anatomy "
SUNY Labs 35:08-0100 - "Anterior Abdominal Wall: The Inguinal Ligament"
SUNY Anatomy Image 7179
SUNY Anatomy Image 7431
Diagram at gensurg.co.uk

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List of muscles of torso (TA A04.3-5, GA 4.397)

Back

splenius (capitis, cervicis) · erector spinae (iliocostalis, longissimus, spinalis) · latissimus dorsi

transversospinales: (semispinalis dorsi, semispinalis cervicis, semispinalis capitis, multifidus, rotatores) · interspinales · intertransversarii

Vertebral column: trapezius · latissimus dorsi · rhomboid (major, minor) · levator scapulae

fascia: Thoracolumbar fascia

Thorax

intercostales (external, internal, innermost) · subcostales · transversus thoracis · levatores costarum · serratus posterior (inferior, superior) · diaphragm

Thoracic cavity: pectoralis major · pectoralis minor · subclavius · serratus anterior

fascia: Pectoral fascia · Clavipectoral fascia

Abdominopelvic

Abdomen/
wall

Anterior/ lateral	Abdominal external oblique · Transversus abdominis/Conjoint tendon · Rectus sheath (rectus abdominis, pyramidalis) · Arcuate line · Tendinous intersection Cremaster · Abdominal internal oblique Fascia/abdominal fascia: panniculus adiposus (Fascia of Camper) · stratum membranosum (Fascia of Scarpa) · Transversalis fascia (Interfoveolar ligament) Linea alba · Linea semilunaris · Inguinal triangle Inguinal canal (Deep inguinal ring, Superficial inguinal ring, Intercrural fibers, Crura of superficial inguinal ring) Inguinal ligament (Pectineal ligament, Lacunar ligament, Reflected ligament)

Posterior	quadratus lumborum · psoas major/psoas minor · iliacus · iliopsoas fascia (Iliac fascia/Iliopectineal arch)

Pelvis

levator ani (iliococcygeus, pubococcygeus, puborectalis) · coccygeus

fascia/pelvic fascia visceral (Rectovaginal fascia, Rectoprostatic fascia) · parietal (Obturator fascia/Tendinous arch, Piriformis fascia)

floor/diaphragm: Superior fascia of diaphragm of pelvis (Pubovesical ligament, Puboprostatic ligament) · Inferior fascia of diaphragm of pelvis

Anococcygeal body

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Inguinal ligament

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