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Flashcards in Anterolateral Abdominal Wall Deck (88)
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What are the two parts of the superficial fascia

superficial fatty layer
deep membranous layer

1

What makes up the superficial fatty layer

campers fascia
superficial fascia just deep to the dermis
--may be several inches thick

2

What makes up the deep membranous layer of the anterolateral abdominal wall

-scarpas fascia
-thin layer of dense irregular connective tissue overlying deep fascia
-allows for independent movement of superficial and/or deep fasci

3

What is the deep membranous layer continuous with

dartos and colles fascia of scrotum and perineum

4

What is deep investing fascia

dense irregular connective tissue surrounding abdominal muscles and their aponeurosis

5

What is another name for the endoabdominal fascia

Tranversalis fascia on the anterolateral abdominal wall

6

What is the endoabdominal fascia

Loose connective tissue between muscles/aponeuroses and parietal peritoneum

7

What does the endoabdominal fascia provide

potential plane for surgical dissection for extraperitoneal and/or intraperitoneal organs

8

What is liposuction

suction or ultrasound assisted suction to remove unwanted fat from superficial fatty layers

9

What are the clinical issues regarding fascial layers

-Deep membranous layer is always included when suturing incisions
-Potential space exists between scarpas and the deep fascia
--urine from a ruptured urethra may accumulate here

10

What direction are the muscles fibers oriented in the external oblique

inferolaterally (hands in pocket)

11

What is the origin for the external oblique

Ribs 5-12

12

What is the insertion of the external oblique

Linea alba, pubic tubercle, and anterior 1/2 of iliac crest

13

What is the action of the external oblique

compress abdominal viscera, flex, and rotate trunk

14

What is the innervation of the external oblique

T6-T11 thoracoabdominal nn
subcostal n

15

Where does the aponeurosis of the external oblique begin

approximately midclavicular line--linea semilunaris

16

Where does the external oblique aponeurosis decussate

Midline--at linea alba
--Fibers intertwine with contralateral abdominal wall mm

17

What does the inferior margin of the external oblique aponeurosis do

Thicken and rolls underneath to form the inguinal ligament
-extends from the ASIS to pubic tubercle
-anterosuperior attachment point for fascia lata

18

How are the fibers oriented in the internal oblique

Anteromedially from ASIS

19

What is the origin of the internal oblique

Thoracolumbar fascia, anterior 2/3 of iliac crest and inguinal ligament

20

What is the insertion of the internal oblique m

Ribs 10-12, linea alba and pectin pubis

21

What is the action of the internal oblique m

compress abdominal viscera, flex, and rotate trunk

22

What is the innervation of the internal oblique muscle

T6-11 thoracoabdominal nn
subcostal nn
iliohypogastric nn
ilioliguinal nn

23

Where does the aponeurosis for the internal oblique m begin

approximately at midclavicular line (linea semilunaris)

24

How is the conjoint tendon formed

inferomedial fibers of internal oblique m aponeurosis join with aponeurotic fibers of transversus abdominis m

25

What does the conjoint tendon form

medial part of posterior wall of inguinal canal

26

Which direction do the fibers run for the transversus abdominis

transversomedially

27

What is the origin of the transversus abdominis

Thoracolumbar fascia, ribs 7-12, iliac crest and inguinal ligament

28

Where does the transversus abdominis insert

linea alba, pubic crest, and pectin pubis (via conjoint tendon)

29

What is the action of the transversus abdominis

compress and support abdominal viscera