Transversalis fascia
Quadratus lumborumPsoas m.
Transversalis fascia
Deep ing. ringFemoral sheath
Nerve supply of anterolateral abd. wall
L1T12
T10
T7
L1
T7
T10
L1
Nerve supply of anterolateral abd. wall
Blood supply of anterolateral abd. wallmusculophrenic
1. (Int. thorc. Art.)
3. (femoral Art.)
2. (abd. Aorta)
4. (ext. iliac. Art.)
5. (Int. iliac. Art.) → iliolumbar art.
Internal thoracic artery gives : - Superior epigastric artery - Musculophrenic artery Abdominal aorta gives: - Lower 2 posterior intercostal arteries - Subcostal artery - 4 lumbar arteries Femoral artery gives: - Superficial epigastric artery - Superficial circumflex iliac artery - Superficial external pudendal artery External iliac artery gives: - inferior epigastric artery - Deep circumflex iliac artery Internal iliac artery gives: - Iliolumbar artery
Lymphatic drainage
Deep lymphaticsSuperficial lymphatics
Sternal nodes
Inguinal canal
Ing. Lig.Deep ing. ring
Superf.ing. ring
Ing. Lig.
Ant. wall
Inguinal canal
Descent of testisDescent of testis
8 months5 months
3 months
Cryptochidism
Incomplete descentmaldescent
Descent of ovary
Inguinal canalIng. Lig.
Deep ing. ring
Superf.ing. ring
Ing. Lig.
Ant. wall
Boundaries of Inguinal canal
lacunar Lig.Transversalis fascia
Conjoint tendon
Ing. Lig.
Transv. abdominis
(floor)
(roof)
Pos. wall
Structures pass through Inguinal canal
Cremasteric art.Ilioiguinal nerve
Structures pass through Inguinal canal in female
Round lig. Of uterus. Art. And vein of round lig. Cremaster m. Genital branch. Ilioinguinal n.Abdominal Hernia
Abd. cavity
Abdominal hernia
Inguinal hernia (direct and indirect) Femoral hernia Umbilical herniaAbdominal hernia
Lumbar hernia Incisional hernia Epigastric herniaIndirect Inguinal hernia
Direct Inguinal herniaHasselback’s triangle lacunar Lig.
Inf. epigastric artery
Inf. epigastric artery
Inf. epigastric artery
Direct Inguinal herniaIndirect Inguinal hernia
indirect Inguinal hernia (hernia is through deep ing. Ring) congenital. Most common. Usually extend to scrotum. Lat. To inf. Epigastric. Art.
direct Inguinal hernia (hernia is through post. wall of in. canal) acquired. Less common. Rarely extend to scrotum. Med. To inf. Epigastric. Art.
folds and fossae on peritoneal aspect
supravesicalMed.Ing. Fossa (direct hernia)
Lat.umb. fold
Median umb. Lig.
Inf.epig.vess.
Medial umb. Lig.
Median umb. fold
Medial umb. fold
lat. Ing. Fossa (indirect hernia)