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GI Midterm S'17 > Anterior Abdominal Wall > Flashcards

Flashcards in Anterior Abdominal Wall Deck (17):
1

What are the spinal levels of the Thoracoabdominal nerves?

T7-T11

2

That are the spinal levels of the lateral cutaneous branches of the thoracic spinal nerves?

T7-T9 or T10

3

What spinal level is the Subcostal N. ?

T12

4

What thoracic spinal level contributes to the umbilicus?

T10

5

What are the two nerves that arise from the L1 spinal root?

1) Ilioinguinal Nerve: Internal Abdominal Oblique M., Transversus Abdominis M., & sensation to the hypogastric area
2) Iliohypogastric Nerve: Internal Abdominal Oblique M., Transversus Abdominis M., Mons pubis, Scrotum (Females: Anterior labia), & sensation to the medial aspect of the thigh

6

Superior Epigastric A.; this is a continuation of what?
Also, what does it supply?

1) Internal thoracic A.
2) Superior part of the Rectus Abdominis M.

7

Inferior Epigastric A.:
1) Branch of

1) External iliac A.

8

Once the external iliac A. passes the inguinal ligament it will become what?

Femoral A.

9

Where does lymph flow go above the transumbilical plane?

Axillary Lymph Nodes

10

Where does lymph flow go, medially, along the anterior abdominal wall?

To the Parasternal Lymph nodes

11

Where does lymph flow go, inferiorly, to the transumbilical plane?

Inguinal lymph nodes

12

If there has been recent surgery and the deep layers of the anterior abdominal wall become infected, what nodes does the lymph flow go to?

External Iliac Nodes

13

IF there is an infection around the umbilicus, what nodes does the lymph flow go to?

They go to the lumbar (aortic/caval nodes); can also go to the common iliac nodes

14

1) What is the derived embryology structure of the median umbilical fold?
2) What is the anatomical layout of this fold

1) Obliterated Urachus
2) Goes from the bladder to the umbilicus

15

1) What is the derived embryology structure of the medial umbilical fold?
2) What is the anatomical layout of this fold?

1) Obliterated umbilical arteries
2) Pubic tubercle to the Umbilicus

16

1) What is the derived embryology structure of the lateral umbilical fold?

1) Over the inferior epigastric vessels

17

1) What are some characteristics of prune belly syndrome?
2) What is the embryological mechanism for this disease?

1) Anterior abdominal muscle wall deficient, bilateral cryptochordism
2) Problem with hypaxial mesoderm