•Lect 3: Anterior Abdominal Wall and Peritoneum Flashcards Preview

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Flashcards in •Lect 3: Anterior Abdominal Wall and Peritoneum Deck (47):
0

when dividing the abdomen into 6 sections, you draw the planes:

2 at the midclavicular lines, subcostal plane and transtubercular plane

1

when dividing the abdomen into 6 sections, they are named from top to bottom, right to left:

right hypochondrium, epigastric, left hypochondrium right flank, umbilical, left flank right groin, pubic, left groin

2

what is the order of the 3 superficial layers of the abdominal wall?

skin, Camper's fascia, Scarpa's fascia

3

what is the order of the 3 middle layers of the abdominal wall?

external oblique, internal oblique, transverse abdominal

4

the VAN is found between which two layers?

internal oblique and transverse abdominal

5

what is the order of the 3 deep layers of the abdominal wall?

transversalis fascia, extraperitoneal fat, parietal peritoneum

6

place in the middle where the tendons merge:

linea alba

7

anteriorly, the rectus sheath goes to ____ posteriorly, the rectus sheath goes to ____

the symphysis pubis arcuate line

8

the rectus abdominus muscles are divided by:

tendinous intersections

9

above the umbilicus, how do the oblique muscles cover the abdominal muscles?

anterior obliques go above, transversus abdominus go below, and the internal obliques split into two

10

2/3ds between the umbilicus and the symphysis pubis, how do the oblique muscles cover the abdominal muscles?

they all run above

11

where do the inferior epigastric arteries and veins enter into the rectus sheath?

arcuate line

12

superiorly, most of the blood supply comes from the:

internal thoracic arteries

13

the internal thoracic arteries branch into the:

superior epigastric and the musculophrenic

14

inferiorly, most of the blood supply comes from the:

deep circumflex ilial artery, superficial circumflex ilial artery, superficial epigastric artery, inferior epigastric artery

15

posteriorly, most of the blood supply comes from the:

lumbar arteries

16

anterior intercostal arteries come from the:

musculophrenic

17

lymphatics above the umbilicus will go to the:

anterior and posterior axillary lymph nodes

18

lymphatics below the umbilicus will go to the:

superficial inguinal lymph nodes

19

the T7 dermatome covers the:

xiphoid

20

the T10 dermatome covers the:

umbilicus

21

the L1 dermatome covers the:

inguinal

22

the innervation of the abdominal wall comes from the:

anterior rami of the spinal cord

23

which layer of fascia is continuous from the abdomen into the leg?

Camper's fascia

24

Scarpa's fascia merges into the fascia lata of the leg at the ____

line of fusion

25

what forms the the anterior wall of the inguinal canal?

aponeurosis of the external oblique, and a little bit from the internal oblique

26

what forms the inferior (floor) of the inguinal canal?

the inguinal ligament, an extension of the external oblique that curls under

27

what forms the superior (roof) of the inguinal canal?

arches of the internal oblique and transversus abdominus

28

what forms the posterior boundary of the inguinal canal?

fascia transversalis, reinforced medially by the conjoint tendon (joining of the transversus abdominalis and internal oblique)

29

what runs through the spermatic cord?

genitofemoral nerve, deferential artery, ductus deferens, testicular artery, pampiniform plexus

30

the superficial fascia in the abdomen is continuous with the _____ in the testicle

dartos fascia and muscle

31

the external oblique muscle in the abdomen is continuous with the _____ in the testicle

external spermatic fascia

32

the internal oblique muscle in the abdomen is continuous with the _____ in the testicle

cremasteric fascia and muscle

33

the transversus abdominus muscle in the abdomen is continuous with the _____ in the testicle

not represented

34

the transversus fascia in the abdomen is continuous with the _____ in the testicle

internal spermatic fascia

35

the peritoneum in the abdomen is continuous with the _____ in the testicle

obliterated processus vaginalis

36

what are the main structure in the female inguinal canal?

round ligament of the uterus and lymphatics from the uterus

37

what forms Hesselbach's (inguinal) triangle?

rectus abdominus, inferior epigastric vessels, inguinal ligament

38

a direct hernia goes through:

Hesselbach's triangle, or medial to the epigastric vessels

39

an indirect hernia goes through:

the deep ring of the inguinal canal, or lateral to the epigastric vessels

40

intra peritoneal organs all have a ____

mesentary (connection to the posterior wall)

41

retro peritoneal organs are ______

fixed to the posterior wall, not moving freely in the abdomen

42

the peritoneum forms folds known as _____

omentum

43

when you first enter the abdomen, you see the ______

greater omentum

44

in between the stomach and the liver is the _____, which is divided into the ___ and _____

lesser omentum, hepatogastric ligament, hepatoduodenal ligament

45

the only way to enter the lesser sac is through the:

omental foramen

46

if you see air between the liver and the diaphragm, it is a ____

pneumoperitoneum