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Anatomy > 7. Anterior Abdominal Wall > Flashcards

7. Anterior Abdominal Wall Flashcards

1
Q

Describe the layers of the abdominal wall from superficial to deep

A 
Skin
Superficial fascia
Muscle and associated deep fascia
Extraperitoneal fascia
Parietal peritoneum
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2
Q

Describe the fascia below the umbilicus

A

Camper’s fascia

Scarpa’s fascia

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3
Q

Describe the composition and location of camper’s fascia

A

Superficial

Fatty

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4
Q

Describe the composition and location of scarpa’s fascia

A

Deep

Membranous

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5
Q

What does camper’s fascia become in males?

A

Dartos fascia of scrotum

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6
Q

What does scarpa’s fascia become in females?

A

Fascia of labia majora

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7
Q

Where does scarpa’s fascia attach?

A

Umbilicus
Pubic symphysis
Linea alba

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8
Q

What does scarpa’s fascia become further down the body?

A 
Fascia lata (thigh)
Colles' fascia (in males)
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9
Q

Attachment of external oblique?

A

Ribs 5-12
Iliac crest
Linea alba

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10
Q

Function of external oblique?

A

Flex trunk using both

Lateral flexion using one

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11
Q

Innervation of external oblique?

A

Anterior rami T7-T12

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12
Q

What is the linea semi-lunaris?

A

Where external oblique muscle turns to aponeurosis

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13
Q

What is the linea alba?

A

Broad tendon/ aponeurosis from xiphoid process to public symphysis

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14
Q

Attachments of internal oblique?

A

Inguinal ligament
Iliac crest
Thoracolumnar fascia
Ribs 9 - 12

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15
Q

Function of internal oblique?

A

Both flex trunk

One side - lateral flexion

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16
Q

Innervation of internal oblique?

A

Anterior rami T7 - T12 and L1

17
Q

Attachments of transversus abdominis?

A 
Inguinal ligament
Costal cartilages 7 - 12
Iliac crest
Thoracolumbar fasica
Conjoint tendon
Xiphoid process
Linea alba
Pubic crest
18
Q

Innervation of transversus abdominis?

A

Anterior rami T7 - L1

19
Q

Attachments of rectus abdominis?

A 
Pubic tubercle
Pubic crest
Pubic symphysis
Xiphoid process
Costal cartilages ribs 5 -7
20
Q

Function of rectus abdominis?

A

Flexion of trunk

Support/ compression of abdominal wall for urination/ coughing etc

21
Q

Innervation of rectus abdominis?

A

Anterior rami T7 - T12

22
Q

Function of pyramidalis?

A

Tenses linea alba

Small muscle, often absent - not very important

23
Q

Innervation of pyramidalis?

A

Subcostal nerve - T12

24
Q

What does the arcuate line signify in terms of the position of the rectus abdominis?

A

Below arcuate line -

No longer a posterior sheath
All aponeuoses lie anterior
Rectus abdominis comes into direct contact with transversalis fascia

25
Q

What are the 3 folds found on the posterior surface of the anterior abdominal wall?

A

Median umbilical ligament
Medial umbilical ligament
Lateral umbilical ligament

26
Q

What is the median umbilical ligament a remnant of?

A

Urachus

27
Q

What is the medial umbilical ligament a remnant of?

A

Umbilical artery

28
Q

What vessels does the lateral umbilical ligament contain?

A

Inferior epigastric

29
Q

What is the superficial lymphatic drainage of the abdomen?

A

Anterior and posterior axillary

Superficial inguinal

30
Q

What is the deep lymphatic drainage of the abdomen?

A

Via internal thoracic artery to parasternal nodes
Via abdominal aorta to lumbar nodes
Via external iliac artery to external iliac nodes

31
Q

What are the superficial arteries of the abdominal wall?

A 
Musculophrenic (branch of internal thoracic)
Superficial epigastric (branch of femoral)
Superficial circumflex iliac (branch of femoral)
32
Q

What are the superficial nerves of the abdominal wall?

A

Lateral cutaneous branches 6-12 intercostal nerves
Anterior cutaneous branches of 6-12 intercostal nerves
Iliohypogastric nerve

33
Q

What are the deep arteries of the abdominal wall?

A 
Superior epigastric
Inferior epigastric
Intercostal 
Lumbar
Deep circumflex iliac
34
Q

What are the superficial veins of the abdominal wall?

A

Thoracoepigastric

Superficial epigastric

35
Q

What are the deep nerves of the abdomen?

A

Iliohypogastric

Ilioinguinal

Anatomy (49 decks)

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