Inguinal Region: Dissections Anatomy
External abdominal oblique
muscle and aponeurosis, Anterior superior iliac spine, Internal abdominal oblique muscle (cut and reflected), Transversus abdominis muscle, Deep inguinal ring (in transversalis
fascia), Cremaster muscle (lateral origin), Inferior epigastric vessels (deep to transversalis fascia), Cremaster muscle (medial origin), Superficial inguinal ring, Lateral crus, Medial crus, Pubic crest, Linea alba, Rectus sheath (anterior
layer), Transversalis fascia within inguinal triangle (site
of direct inguinal hernia), Inguinal falx (conjoint tendon), Reflected inguinal ligament, Intercrural fibers.
External spermatic fascia on spermatic cord exiting, Superficial inguinal ring, Fundiform ligament of penis, Anterior
view, Posterior (internal)
view, Rectus sheath
(posterior layer), Arcuate
line, Medial umbilical
ligament, Anterior superior
iliac spine, Transversalis
fascia (cut away), Rectus
abdominis muscle Iliopubic tract, Inferior epigastric vessels, Inguinal (Hesselbach’s) triangle
(dashed line), Femoral
nerve, Genital branch of
genitofemoral nerve and testicular
vessels Iliacus muscle, External iliac vessels, Femoral ring (dilated) (broken
line), Psoas (major)
muscle, Lacunar ligament
(Gimbernat’s), Accessory
obturator vessels, Ductus
deferens, Pubic branches of
inferior epigastric vessels, Pubic
symphysis, Inguinal ligament
(Poupart’s), Obturator
vessels, Lacunar ligament
(Gimbernat’s), Pectineal
ligament (Cooper’s), Hesselbach’s
triangle by Carlos Machado after Frank Netter, Deep inguinal ring.
