Anatomy Lecture 5 Abdominal Incisions Flashcards Preview

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Flashcards in Anatomy Lecture 5 Abdominal Incisions Deck (48)
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1

Name 3 different common surgical incisions on the abdomen

Laparotomy
Laparoscopy
Suprapubic 'bikini line' incision

2

What common operations are performed using a suprapubic 'bikini line' incision?

Lower segment caesarean section
Abdominal hysterectomy

3

Name the layers cut through in a lower segment caesarean section

ddd

4

What abdominal wall muscle attaches "between lower ribs and iliac crest, pubic tubercle and linea alba"?

External obliques

5

What abdominal wall muscles attaches "between lower ribs, thoracolumbar fascia, iliac crest and linea alba"?

Internal obliques and transversus abdominis

6

What direction to the fibres of the external obliques run?

Hands in pockets - same as external intercostals

7

What direction to the fibres of the internal obliques run?

Hands on chest - same as internal intercostals

8

What direction to the fibres of the transversus abdominis run?

Transverse direction

9

What is the linea alba?

Midline blending of aponeuroses

10

What is the superior attachments of the rectus abdominis?

Xiphoid process and costal cartilages

11

What is the inferior attachments of the rectus abdominis?

Pubic bones - symphysis

12

What is the name of the part of the rectus abdominis that divides each rectus abdominis into 3 or 4 smaller muscles?

Tendinous intersections

13

What is the function of the tendinous intersections of the rectus abdominis?

Improved mechanical efficiency

14

What does the linea alba run between?

Xiphoid process to the pubic symphysis

15

The __________ is immediately deep to superficial fascia

rectus sheath

16

What is the rectus sheath formed of?

combined aponeuroses of anterolateral abdominal wall muscles

17

The rectus sheath surrounds the ______

rectus abdominis

18

Following abdominal incisions, the rectus sheath should always be stitched closed. T or F

True
(to increase the strength of the wound and reduce the risk of wound complications e.g. incisional hernia)

19

Name the 2 parts of the rectus sheath?

Anterior and posterior

20

At the level of a suprapubic incision, what parts of the rectus sheath are cut?

Only anterior part

21

At the level of a suprapubic incision, where is the anterior part of the rectus sheath in relation to the rectus abdominis?

Anterior
(here formed of external oblique, internal oblique and transversus abdominis aponeurosis)

22

What layer of the abdominal wall is between the transversus abdominis and extra-peritoneal fat?
(deep to extra-peritoneal fat is parietal peritoneum)

Transversalis fascia

23

The nerve supply to the anterolateral abdominal wall enters from a ______ direction

Lateral

24

Nerve supply to the anterolateral abdominal wall: the __th to __th intercostal nerves become the ______ nerves

7th-11th
thoracoabdominal

25

The nerves supplying the anterolateral abdominal wall travel between the ____ and ____ layers.

Internal oblique and transversus abdominis

26

Name 3 named nerves, and their vertebral levels, that supply the anterolateral abdominal wall

Subcostal T12
Iliohypogastric L1
Ilioinguinal L1

27

Name the 2 main arteries that supply the L and R anterior abdominal wall

Superior epigastric arteries
Inferior epigastric arteries

28

What artery is the superior epigastric artery a continuation of?

Internal thoracic

29

What artery is the inferior epigastric artery a branch of?

External iliac artery

30

Where do the superior epigastric and inferior epigastric arteries lie in relation to the rectus abdominis?

Posterior