Explains the inguinal canal as a passage through the lower anterior abdominal wall, giving its length and position relative to the inguinal ligament. It then sets out the four boundaries (floor, roof, anterior and posterior walls) and the clinical point that the canal is a weak spot where abdominal contents can bulge out as an inguinal hernia. It closes by listing the structures passing through the canal in males and in females.
Topic 41 of 49 in the MU Sofia syllabus for Anatomy (Bones and Muscles) (Medicine, Years 1 and 2). The free AceMed note covers it in 5 sections, about 132 words (1 min of reading), with 13 flashcards.
In this note
INGUINAL CANAL
Definition :
Site & Extension :
Boundaries :
Content :
Definition :
It is a passage in the lower part of anterior abdominal wall for spermatic cord in males (or round ligament of uterus in females).
Site & Extension :
it is 4 cm long, extending between deep and superficial inguinal rings (?), above and parallel to medial ½ of the inguinal ligament.
Boundaries :
Floor: inguinal ligament.
Conjoint tendon
Roof: arching fibers of both internal oblique and transversus abdominis muscles.
Anterior: external oblique having superficial inguinal ring.
Posterior: fascia transversalis having deep inguinal ring.
Clinical anatomy:
Inguinal canal represents a weak point in the abdominal wall through which abdominal contents (mainly intestine) may bulge through it causing inguinal hernia.
Content :
In males
1. Spermatic cord
2. ilioinguinal nerve
3. Genital branch of genitofemoral nerve.
In females:
1. Round ligament of uteri
2. ilioinguinal nerve.
3. Genital br. of genitofemoral n.
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