Fascia Transversalis

Question 1

What is fascia transversalis

Answer 1

The part of the fascia which lines the inner surface the transversus abdominus muscle. 1.2 cm above mid inguinal point there is an opening in the fascia- deep inguinal ring

Question 2

Extent of fascia transversalis

Answer 2

Anteriorly- linea alba
Post- thoracolumbar and renal fascia
Superiorly- diaphragmatic fascia
Inferiorly- inner lip of iliac crest and lateral part of inguinal ligament

Question 3

Prolongations

Answer 3

1. Internal spermatic fascia surrounding spermatic cord

2. anterior wall of femoral sheath

Question 4

Why femoral vessels are inside the sheath and femoral nerve outside

Answer 4

The main arteries of abdominal wall and pelvis lie inside this fascia while main nerves lie outside.

Question 5

Femoral sheath is formed by

Answer 5

Fascia transversalis anteriorly
Fascia iliac a posteriorly

Divided into 3 compartments

Medial compartment is called femoral canal.
Base of femoral canal is the femoral ring.

Question 6

Boundaries of femoral ring

Answer 6

Anteriorly inguinal ligament
Post pectineus
Medially lacunar ligament
Laterally septum separating it from femoral vein