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The Alimentary Canal - Anatomy > Workbook 1 - Part 2 > Flashcards

Workbook 1 - Part 2 Flashcards

1
Q

What makes up the lumbar plexus?

A

Ventral rami of L1-L4

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2
Q

What level does ilio-hypogastric nerve emerge?

A

L1

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3
Q

What level does the ilio-inguinal nerve emerge?

A

L1

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4
Q

What levels does genitofemoral nerve emerge from?

A

L1 + L2

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5
Q

What levels does lateral cutaneous nerve emerge from?

A

L2 + L3

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6
Q

What levels does the femoral nerve emerge from?

A

L2, 3 + 4

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7
Q

What levels does the obturator nerve emerge from?

A

L2, 3 + 4

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8
Q

Where does the genitofemoral nerve pass through?

A

Psoas major muscle

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9
Q

What is C?

A

Inguinal ligament

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10
Q

What is A?

A

Quadratus Lumborum

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11
Q

What is B?

A

Psoas major

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12
Q

What is F?

A

Ilioinguinal nerve

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13
Q

What is G?

A

Genitofemoral nerve

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14
Q

What is E?

A

Ilio-hypogastric nerve

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15
Q

What is H?

A

Lateral cutaneous nerve

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16
Q

What is I?

A

Obturator nerve

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17
Q

What is J?

A

Femoral nerve

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18
Q

What is the inguinal canal?

A

Oblique passage through the lower part of abdominal wall
Provides a passage for structures to genital region

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19
Q

What are the contents on the inguinal canal?

A

Spermatic cord in males
Round ligaments in females
Ilioinguinal nerve
Genital branch of genitofemoral nerve

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20
Q

Where is the superficial inguinal ring?

A

Breaks through aponeurosis of external oblique muscle

21
Q

Where is the deep inguinal ring?

A

Positioned above pubic tubercle
Is oval shaped and is in the transversalis fascia

22
Q

Describe an indirect inguinal hernia

A

Passes through the inguinal canal and can end up in scrotum
Lateral to inferior epigastric artery

23
Q

Describe a direct inguinal hernia

A

Weakness of abdominal wall which allows direct protrusion through the wall
Medial to the inferior epigastric artery

24
Q

What is the anterior border of the inguinal canal?

A

Aponeurosis of external oblique muscle and reinforced by internal oblique muscle laterally

25
Q

What is the posterior border of the inguinal canal?

A

Transversalis fascia

26
Q

What is the roof of the inguinal canal?

A

Transversalis fascia, internal oblique and transversus abdominis

27
Q

What is the floor of the inguinal canal?

A

Inguinal ligament

28
Q

What are the attachments of the quadratus lumborum?

A

Originates from iliac crest + iliolumbar ligament
Inserts into spinous processes of L1-4 and 12th rib

29
Q

What is the action of the quadratus lumborum?

A

Extension and lateral flexion of vertebral column

30
Q

What is the innervation of quadratus lumborum?

A

Anterior rami of T12-L4 nerves

31
Q

What is the attachments of the psoas major?

A

Transverse processes of T12-L5
Attaches to lesser trochanter of femur

32
Q

What is the action of the psoas major?

A

Flexion of the thigh and lateral flexion of vertebral column

33
Q

What is the innervation of the psoas major?

A

Anterior rami of L1-3 nerves

34
Q

What is the attachments of the iliacus muscle?

A

Surface of iliac fossa and anterior inferior iliac spine
Combines with tendon of psoas major and inserts into lesser trochanter of femur

35
Q

What is the action of the iliacus?

A

Flexion and lateral rotation of hip joint

36
Q

What is the innervation of the ilicus muscle?

A

Femoral nerve - L2-4

37
Q

What is the attachments of the external oblique muscle?

A

Originates from ribs 5-12
Inserts into iliac crest and pubic tubercle

38
Q

What is the action of the external oblique muscle?

A

Contralateral rotation of the torso

39
Q

What is the innervation of the external oblique muscle?

A

Ventral rami of T7-T12

40
Q

What is the attachments of the internal oblique muscle?

A

Originates from iliac crest, inguinal ligament and lumbodorsal fascia
Inserts onto ribs 10-12

41
Q

What is the action of the internal oblique muscle?

A

Bilateral contraction compresses the abdomen while unilateral ipsilateral rotates the torso

42
Q

What is the innervation of the internal oblique muscle?

A

Anterior rami of T7-12 and lumbar plexus

43
Q

What are the attachments of the transversus abdominis?

A

Originates from inguinal ligament costal cartilages of T7-12, iliac crest and thoracolumbar fascia
Inserts into conjoint tendon, xiphoid process, linea alba, and pubic crest

44
Q

What is the action of the transversus abdominis?

A

Compresses abdominal contents

45
Q

What is the innervation of the transversus abdominis?

A

T7-12 and lumbar plexus

46
Q

What are the attachments of the rectus muscle?

A

Originates from crest of pubis bone
Inserts onto xiphoid process of sternum and costal cartilage of ribs 5-7

47
Q

What is the actions of the rectus abdominis?

A

Stabilises pelvis when walking and depresses the ribs

48
Q

What is the innervation of the rectus abdominis?

A

Ventral rami of T7-11

The Alimentary Canal - Anatomy (3 decks)

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