Anatomy Lab 2 Quiz- Anterior Abdominal Wall Flashcards
How can you partition the abdomen into 4 regions? Into 9?
4: RUQ. RLQ, LLQ, LUQ 9: R/L hypochondriac, R/L Lumbar, R/L Iliac, Epigastric, umbilical, hypogastric
From external to internal, what are the 9 layers of the abdomen before you reach the abdominal cavity
Skin
Campers fascia
Scarpas fascia
External oblique abdominis
Internal oblique abdominis
Transversus abdominis
Transversalis fascia
Extraperitoneal fatty tissue
Peritoneum
What is the dermatome associated with the umbilicis?
T10
Where does the inguinal ligament run to?
Pubic tubercle to ASIS
What are the layers of the spermatic cord? What are it’s contents? What is the female equivalent?
The spermatic cord contains the pampiniform plexus, testicular artery, vas deferens and genital branch of the genitofemoral nerve
The round ligament of the uterus is the equivalent in females
Why might a physician place their hand over the superficial ring and femoral region, then ask their patient to cough?
To check for a hernia
What is Hesselbach’s triangle?
A weak spot in the abdomen where a direct inguinal hernia may occur through.
What forms the posterior rectus sheath above and below the arcuate line?
Above: 1/2 of the internal oblique muscle , transversus abdominis
Below: Transversalis fascia, extraperitoneal fascia, and parietal peritoneum.
What is the difference between a direct and indirect inguinal hernia?
A direct inguinal hernia occurs medial to the lateral umbilical folds and passes through Hesselbach’s triangle, while an indirect inguinal hernia occurs lateral to the lateral umbilical folds.
What forms the anterior rectus sheath above and below the arcuate line?
Above the arcuate line, the external oblique and 1/2 of the internal oblique contribute to the anterior rectus sheath
Below the arcuate line, the external oblique, internal oblique and transversus abdominus contribute to the anterior rectus sheath.
