Trans - Anterior Abdominal Wall Flashcards Preview

[OS 206] 1st Exam > Trans - Anterior Abdominal Wall > Flashcards

Flashcards in Trans - Anterior Abdominal Wall Deck (83)
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1

anterior abdominal wall: superior border

costal margins (ribs 6 to 12), xiphoid process

2

anterior abdominal wall: inferior border

ASIS, inguinal ligament, pubic crest, pubic symphysis

3

at what level is the umbilicus found

between L3 and L4

4

the inguinal ligament marks what dermatome

T10

5

union of the aponeuroses of the flat muscles of the left and the right side

linea alba

6

lateral margin of the rectus abdominis

linea semilunaris

7

transverse attachments between the anterior rectus sheath and the rectus abdominis muscle

tendinous intersections

8

structure that indicates the site of the inguinal ligament

inguinal groove

9

the abdomen is divided into 4 quadrants by what planes

1. median plane
2. transumbilical plane

10

the abdomen is divided into 9 regions by what planes

1. transpyloric plane
2. transtubercular / intertubercular plane
3. left midclavicular plane
4. right midclavicular plane

11

the transpyloric plane is at the level of:

L1-L2

12

the transtubercular plane is at the level of:

L5

13

the subcostal plane is at the level of:

L3

14

visceral pain often is referred to what region

umbilical

15

superficial fatty layer of superficial fascia

Camper's fascia

16

deep membranous layer of superficial fascia

Scarpa's fascia

17

thin membranous sheath lying beneath the three muscles and the linea alba

transversalis fascia

18

external oblique: direction of fibers

inferomedially

19

internal oblique: direction of fibers

mainly superomedial, becomes inferomedial as it nears the inguinal ligament

20

conjoint tendon is formed by

internal oblique and transversus abdominis aponeuroses

21

fascia opposing the erector spinae muscles

thoracolumbar fascia

22

innermost of the flat abdominal muscles

transversus abdominis

23

external oblique: innervation

T6-T12

24

rectus abdominis: action

flexor of trunk
prevents hyperextension

25

small triangular muscle in anterior abdominal wall

pyramidalis

26

T/F: the epigastric vessels are found within the rectus sheath

T

27

anterior rectus sheath is formed by

1. aponeurosis of external oblique
2. anterior lamina of superior 2/3 of internal oblique

28

posterior rectus sheath is formed by:

1. aponeurosis of transversus abdominis
2. posterior lamina of superior 2/3 of internal oblique

29

linea semicircularis: define

line demarcating the termination of the posterior rectus sheath

30

branches of L1 ventral rami

1. iliohypogastric nerve
2. ilioinguinal nerve