(2) Anterior Abdominal Wall Flashcards Preview

Anatomy > (2) Anterior Abdominal Wall > Flashcards

Flashcards in (2) Anterior Abdominal Wall Deck (35):
1

from superficial to deep what are the muscles of the lateral abdomen region

-external oblique
-internal oblique
-transversalis abdominas

2

what is the name of the midline seperating the rectus abdominus muscles

linea alba

3

what way do the external oblique fibers run compared to the internal oblique ?

ext - from superiolaterally to inferomedially
int. - run perpendicular/90 to the external oblique

4

the fibers of the transversalis abdominus muscle runs in the same direction as what other abdomen muscle

internal oblique m

5

what is the arcuate line ?

midway line b/w the umbilicus and pubic symphysis

6

the rectus sheath envelopes what mm ?

rectus abdominus and pyramidalis mm

7

superior to the arcuate line what muscle aponeurosis splits the rectus abdominus muscles ?

internal oblique mm.

8

inferior to the arcuate line what muscle aponeurosis go anterior to the rectus abdominus muscles ?

ALL
-external oblique, internal oblique, and transversalis abdominus

9

what makes up the anterior and posterior layers of the rectus sheath superior to the arcuate line ?

Ant. - EO and 1/2 IO
Posterior wall - 1/2 IO and TA and transversalis fascia

10

what makes up the anterior and posterior walls inferior to the arcuate line

Anterior wall - EO, IO, and TA
Posterior wall - transversalis fascia

11

what are the 3 infraumbilical peritoneal folds ?

-median umbilical fold (midline)
-medial umbilical fold (on each side)
-laterla umbilical fold (each side)

12

what are the superficial vessels of the anterior abdominal wall

-circumflex iliac a and v.
-epigastric a. and v.

13

all nerves in the anterior abdominal wall run b/w what 2 layers ?

-internal oblique and transversalis abdominus mm

14

the femoral a is renamed and continuous with what as you move cranially

external iliac a.

15

what do the circumflex iliac vessels supply/drain

region of inguinal ligament

16

what does the epigastric vessels supply/drain

region of abdomen inferior to umbilicus

17

what does the deep circumflex iliac vessels supply

lateral abdominal mm

18

what does the inferior epigastric vessels supply ? and what does it anastomize with ?

-supplies lower rectus abdominus mm
-anastomizes with superior epigastric

19

what vessel supplies the upper rectus abdominus mm

superior epigastric a

20

what does the musculophrenic vessels supply

upper abdominal mm and diaphragm

21

what nerves are involved in the anterior abdominal cavity and what is there organization

ventral rami of T7-L1
-Above umbilicus region is T7, T8, T9
-umbilicus region is T10
--Below umbilicus region is T11, T12, L1

22

the inguinal ligament extends from the ASIS to the pubic tubericle and is a continued infolding of what muscle ?

EO aponeurosis

23

what is the inguinal canal and where is it in reference to the inguinal ligament ?

3-5 cm tunnel across the ant. abdominal wall
-parralel and superior to inguinal lig.

24

what does the make inguinal canal contain

-spermatic cord
-ilioinguinal n. (L1)

25

what does the female inguinal canal contain

-round lig. of the uterus
-ilioinguinal n. (L1)

26

the end points of the inguinal canal can be found by what structures

-superficial ring
-deep ring

27

where do the superficial and deep rings open into ?

Superficial ring opens into EO apoeurosis
deep ring opens into transversalis fascia

28

the conjoint tendon contributes to what wall of the inguinal canal ?

posterior wall w/transversalis fascia

29

an abdominal hernia is caused by an outpouching of what ?

abdominal viscera

30

what is the most common type of hernia where it extends through the entire enguinal canal

indirect inguinal hernia

31

where would an indirect inguinal hernia commonly enter ?

males - scrotum
females - labia majora

32

a direct inguinal hernia has an outpouching that proceeds through ?

inguinal triangle
-associated w/ a weakened abdominal wall

33

what is the most common type of hernia in females

indirect inguinal

34

what is the most common type of hernias in newborns

umbilical hernia

35

what is the most common type of hernia in people over 40 associated with obesisty

epigastric hernia