Ach Lab 1 - Abdominal Wall & Inguinal Region Flashcards
What aponeurosis makes up the anterior rectus sheath?
External oblique aponeurosis
Anterior lamina of internal oblique aponeurosis
What aponeurosis makes up the posterior rectus sheath?
Posterior lamina of internal oblique aponeurosis
Transversus abdominus apopneurosis
What is the arcuate line?
Demarcates the transition between the aponeurotic posterior wall of the sheath covering the superior three quarters of the rectus and the transversalis fascia covering the inferior quarter.
The superior epigastric artery is a direct continuation of what artery?
internal thoracic artery
The inferior epigastric artery is a branch of what artery?
arises from the external iliac artery just superior to the inguinal ligament
The median umbilical fold covers ______, which was a remnant of _________.
median umbilical ligament
Remnant of URACHUS (joined the apex of the fetal bladder to the umbilicus)
The medial umbilical folds cover _______, which are formed by _______
Medial umbilical ligaments
Formed by occluded parts of the umbilical arteries
The lateral umbilical folds cover ________
inferior epigastric vessels!!!
The round ligament is a fibrous remnant of what?
umbilical vein
The inguinal ligament is formed by the inferior border of what?
External oblique apopneurosis
What is found inside the inguinal canal?
Spermatic cord or round ligament of the uterus AND ilio-inguinal nerve
What makes up the inguinal triangle? (Hasselbach’s)
Inferior epigastric artery
Rectus abdominis
Inguinal ligament
What structures are contained within the spermatic cord?
Ductus deferens
Testicular artery
Papiniform venous plexus
(Also artery of ductus deferens, cremasteric artery, lympathic vessels, sympathetic nerve fibers, and genital branch of the genitofemoral nerve)
What nerve supplies the cremaster muscle?
genital branch of the genitofemoral nerve
