Abdominal Wall Flashcards
What layers can be found in the Superficial Fascia?
Camper’s Fascia (fatty layer) and Scarpa’s Fascia (usually shiny)
Name the Muscles of the Abdominal wall
External Oblique
Internal Oblique
Transverse abdominus
Rectus abdominus
What muscles contribute to the rectus sheath?
External oblique
Internal Oblique
Rectus abdominus
The lower border of the transverse abdominus’ aponeurosis is called:
The arcuate line
What spinal nerves innervate the internal and external obliques?
T7 to L1
What is the lateral border of the rectus abdominus?
Linea Semilunaris
What are the border’s of Hesselbach’s (inguinal) triangle?
Medial: linea semilunaris
Inferior: Inguinal Ligament
Lateral: Inferior epigastric artery
What is the most common type of hernia in humans?
Inguinal hernias
What is the difference between direct and indirect inguinal hernias?
Indirect- travels through inguinal canal through superficial ring and into the scrotal sac (lateral to Hesselbach’s triangle)
Direct- pushes portion of bowel towards the inguinal ring but rarely into the scrotal sac. (within Hesselbach’s triangle)
Which type of inguinal hernia is more common in young men?
Indirect
Which type of inguinal hernia is more common in adult men?
Direct
What term describes the lining of the organ wall?
Visceral peritoneum
What is peritoneum?
a serous secreting mesotheliumthat lines abdominal cavity and abdominal organs.
What lines the walls of the abdominal cavity?
Parietal peritoneum
What is the innermost lining of the abdominal cavity known as?
Peritoneal cavity or the greater sac