Roof And Floor Of Inguinal Canal

The inguinal canal is bordered by anterior posterior superior roof and inferior floor walls.

Roof and floor of inguinal canal.

Posterior wall transversalis fascia. Https youtu be xrugne qf3w t 3m47s head to https youtu be icxydqj00uw to see ou. Roof is formed by the arching lower fibers of internal oblique and transverse abdominal muscles. Extends from the deep to superficial inguinal ring.

Introduction to inguinal canal. Aponeurosis of external oblique. Anterior wall aponeurosis of the external oblique reinforced by the internal oblique muscle laterally. The key landmark of the designates the roof of the inguinal canal and the key landmark of the designates the floor of the inguinal canal.

It has two openings the superficial and deep rings. Anterior wall is formed by the external oblique aponeurosis all through it is extentreinforced laterally by the internal oblique muscle. The abdominal surface of the ligament contains a groove which forms the floor of the inguinal canal. Boundaries of inguinal canal.

The inguinal canal is a natural hiatus in the tissues of the anterior abdominal wall and is formed by the various layers of the wall of the region of grion. The arrow indicates that structures can run through it from lateral to medial e g. The superficial inguinal ring subcutaneous inguinal ring or external inguinal ring is an anatomical structure in the anterior wall of the mammalian abdomen. Click here to jump straight into the 3d tour.

Philip robinson in clinical ultrasound third edition 2011. The fibres that do not insert at the pubic tubercle diverge to form the lacunar ligament posterolaterally and to join the linea alba superomedially. The inguinal canal transmits vessels nerves lymphatics and the spermatic cord round ligament in females from the abdomen to the external genitalia. Posterior wall is formed by the transversalis.

Floor is formed by the grooved upper surface of the inguinal ligament. It is a musculo aponeurotic tunnel 4 cm in length. In males it transmits the spermatic cord and in females the round ligament of the uterus. Nailed the anatomy already.

Starting from superior moving counterclockwise in order to posterior. It is a triangular opening that forms the exit of the inguinal canal which houses the ilioinguinal nerve the genital branch of the genitofemoral nerve and the spermatic cord in men. The lacunar ligament also contributes to the floor of the canal. 2m 2a 2l 2t mnemonic.

Inguinal canal evaluation normal anatomy. Aponeurosis of internal oblique. The anterolateral abdominal wall consists of an arrangement of muscles fascial layers and muscular aponeuroses lined interiorly by peritoneum and exteriorly by skin.