The
superficial inguinal ring is bounded below by the crest of the
pubis; on either side by the margins of the opening in the
aponeurosis, which are called the crura of the ring; and above, by a series of curved
intercrural fibers.
* The inferior crus (or lateral, or external pillar) is the stronger and is formed by that portion of the
inguinal ligament which is inserted into the
pubic tubercle
The pubic tubercle is a prominent tubercle on the superior ramus of the pubis bone of the pelvis.
Structure
The pubic tubercle is a prominent forward-projecting tubercle on the upper border of the medial portion of the superior ramus of the ...
; it is curved so as to form a kind of groove, upon which, in the male, the
spermatic cord
The spermatic cord is the cord-like structure in males formed by the vas deferens (''ductus deferens'') and surrounding tissue that runs from the deep inguinal ring down to each testicle. Its serosal covering, the tunica vaginalis, is an exten ...
rests.
* The superior crus (or medial, or internal pillar) is a broad, thin, flat band, attached to the front of the
pubic symphysis
The pubic symphysis is a secondary cartilaginous joint between the left and right superior rami of the pubis of the hip bones. It is in front of and below the urinary bladder. In males, the suspensory ligament of the penis attaches to the pubi ...
and interlacing with its fellow of the opposite side.
See also
* Wiktionary:
crus
References
External links
*
* medial
** - "Anterior Abdominal Wall: Borders of the Superficial Inguinal Ring"
**
**
* lateral
** - "Anterior Abdominal Wall: Borders of the Superficial Inguinal Ring"
Abdomen
{{musculoskeletal-stub