Inguinal Canal and Hernias Flashcards
Umbilical hernias: in children
results from umbilicus not healing properly
heals itself spontaneously usually
usually smaller and wider transversely
umbilical hernias: in adults
results from weakness of abdominal wall around umbilicus
usually superior to umbilical scar
requires surgical repair
more common in women
Epigastric hernias
hernia of the linea alba
more common in men
requires surgery if large or symptomatic
occurs superior to umbilicus usually, but does not involve it
Floor of inguinal canal
inguinal ligament and lacunar ligament
Roof of inguinal canal
internal abdominal oblique fibers
Anterior wall of inguinal canal
External abdominal oblique
Posterior wall of inguinal canal
transversalis fascia and conjoint tendon
Beginning and End of inguinal canal
begins at deep inguinal ring around the midpoint of inguinal ligament and ends at superficial inguinal ring
the inguinal ligament is formed from
external abdominal oblique muscle
the superficial inguinal ring consist of the
medial, lateral crus and intracrural fibers
the lacunar ligament
an “extension” of the inguinal ligament
triangular in shape
apex at pubic tubercle
base is concave, lateral and sharp
pectineal ligament
posterior-lateral extension of lacunar ligament, runs along pectineal line
can form a sharp border that constricts the femoral hernia
Pouparts ligament
another name for the inguinal ligament
abdominal potential space
formed between scarpas and deep investing fascia of external abdominal oblique muscle
what is the abdominal muscle layer first encountered at the superficial inguinal ring?
external abdominal oblique