Abdominal wall & Hernias Flashcards
What is the connection between the greater and lesser sac called?
foramen of winslow
What is visceral pain?
Pain from stretching, inflammation or ischaemia, poorly defined and often midline
Which spinal nerves form the greater, lesser and least splanchnic nerves?
Greater : T5-9, Lesser: T10-11, Least: T12
Where do the splanchnic nerves synapse?
Prevertebral ganglia
What is a hernia?
Protrusion of contents beyond the confines of its containing cavity
What are 2 causes of a hernia?
weakness in the containing cavity and an increase in intra-abdominal pressure
What 3 parts form a hernia?
the sac, the contents and the coverings
What is the inguinal canal?
oblique passage through lower part of abdominal wall
Name the floor of the inguinal canal
Inguinal ligament
Name the roof of the inguinal canal
Internal oblique and transverse abdominis
Name the posterior wall of the inguinal canal
Transversalis fascia
Name the anterior wall of the inguinal canal
Aponeurosis of external oblique
Direct vs indirect inguinal hernias
Direct go straight through abdominal wall, indirect travel down the inguinal canal
Is a direct inguinal hernia medial or lateral to the inferior epigastric vessels?
Medial
What is Hesselbachs triangle?
A weak area of the abdominal wall where a direct hernia may go through
