Abdominal Walls + Inguinal
Canal
Abdominal Walls
Borders of the abdomen
Superior: Thoracic outlet
Inferior: Pelvic inlet
Quadrants
Use umbilicus as a landmark
Ninths, created by 2 midclavicular
line and transpyloric plane and
intertubercular plane
Epigastric = stomach
Hypogastric
Abdominal Walls + Inguinal Canal 1
, Osteology of the Abdomen
Lumber vertebrae
Iliac crest
Anterior superior iliac spine
Inguinal ligament
Pubic tubercle
7 Layers of Abdominal Wall
Superficial Layer:
Skin
Superficial + Deep fasciae
External oblique muscle
Aponeurosis of external oblique
Covering of the external
oblique muscle
Inguinal Ligament
Attached to anterior superior
iliac spine + Pubic tubercle
Deeper Layer:
Internal Oblique
Abdominal Walls + Inguinal Canal 2
Canal
Abdominal Walls
Borders of the abdomen
Superior: Thoracic outlet
Inferior: Pelvic inlet
Quadrants
Use umbilicus as a landmark
Ninths, created by 2 midclavicular
line and transpyloric plane and
intertubercular plane
Epigastric = stomach
Hypogastric
Abdominal Walls + Inguinal Canal 1
, Osteology of the Abdomen
Lumber vertebrae
Iliac crest
Anterior superior iliac spine
Inguinal ligament
Pubic tubercle
7 Layers of Abdominal Wall
Superficial Layer:
Skin
Superficial + Deep fasciae
External oblique muscle
Aponeurosis of external oblique
Covering of the external
oblique muscle
Inguinal Ligament
Attached to anterior superior
iliac spine + Pubic tubercle
Deeper Layer:
Internal Oblique
Abdominal Walls + Inguinal Canal 2
