anamoty practical session Flashcards
what is the arcuate line?
horizontal line that demarcates the lower limit of the posterior layer of the rectus sheath
what is the terminal branch of internal thoracic a?
superior epigastric
where does the inferior epigastric arise from?
external iliac artery
where do the superior and inferior epigastric artery run?
behind rectus abdominis in the posterior rectus sheath and anastomose
what supplies the anterolateral abdominal wall?
lateral branches
where does the inguinal canal lie?
lies parallel and superior to the medial half of the inguinal ligament
what are the contents of the inguinal canal?
spermatic cord in males and round ligament of the uterus in females
does the inguinal canal contain ilioinguinal nerve?
yes
how does the spermatic cord enter the inguinal canal?
through the deep inguinal canal
where does the spermatic cord exit the inguinal canal?
superficial inguinal ring
what is the roof of the inguinal canal formed by?
by the conjoint tendon and the meeting of the anterior and posterior walls of the canal
what is the anterior wall of the canal formed by?
external oblique muscle throughout and by internal oblique muscles laterally
is the anterior wall of the canal weak or strong?
weak because of the superficial inguinal ring
what is the posterior wall of the canal formed by?
transversalis fascia throughout and the conjoint tendon medially.
is the posterior wall of the canal weak or strong?
weak because of the deep inguinal ring
