Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Gross Anatomy 2 > Pelvic nerves and vessels > Flashcards

Pelvic nerves and vessels Flashcards

1
Q

What works with the lumbar plexus to supply innervation to the lower limbs?

A

Sacral plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What nerve roots form the sacral plexus

A

L4, L5, S1, S2, S3, S4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the largest nerve from the sacral plexus?

A

Sciatic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the nerve root values of the sciatic nerve?

A

L4-S3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What nerve carries nerve fibres from the lumbosacral trunk into the pelvis?

A

Sciatic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where does the sciatic nerve form?

A

The anterior surface of piriformus muscle on the lateral internal wall of the pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How does the sciatic nerve reach the pelvis?

A

Passes out the pelvis via the greater sciatic notch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What side of the thigh does the sciatic nerve travel down?

A

Posterior surface of thigh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What nerve supplies the posterior compartment of the thigh and the hamstring muscles?

A

Sciatic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What nerve supplies all the muscles of the leg and foot?

A

Sciatic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What nerve supplies the gluteal muscles?

A

Gluteal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name the two branches of the gluteal nerve

A
  • Inferior branch

- Superior branch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the nerve roots for the superior gluteal nerve and what do they innervate?

A
  • L4, L5, S1

- Gluteus medius and minimus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the nerve roots of the inferior gluteal nerve and what does it innervate?

A
  • L5, S1, S2

- Gluteus maximus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The nerve to obturator internus is a direct branch of what nerve roots?

A

L5-S1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Levator ani and coccygeal muscles both receive direct fibres from what nerve roots?

A

S4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What nerve supplies the external voluntary sphincters of the urethra and the anal canal?

A

Pudendal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What nerve carries sensory fibres to the perineum?

A

Pudendal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Describe the path take by the pudendal nerve

A
  • Forms from nerve roots S2-S4 in pelvis
  • Passes through the greater sciatic foramen around the ischial spine
  • Passes through the lesser sciatic foramen to reach anal triangle, then perineum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What can be used as a landmark for pudendal nerve blocks?

A

Ischial spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What type of nerves supply the internal organs of the pelvis and the erectile tissues of the perineum?

A

Autonomic nerves

22
Q

What type of nerve fibres does the superior hypogastric plexus have?

A

Sympathetic

23
Q

Where does the superior hypogastric plexus sit?

A

The bifurcation of the aorta into the iliac iliac arteries

24
Q

What type of nerve fibres does the inferior hypogastric plexus have?

A

Sympathetic and parasympathetic

25
Q

Where does the inferior hypogastric plexus sit?

A

On the internal lateral wall of the pelvis

26
Q

Sympathetic supply to the pelvic organs is from?

A

Lumbar and pelvic splanchnic nerves from the sympathetic chain

27
Q

What nerves supply parasympathetic innervation to the pelvis?

A

Pelvic splanchnic nerves S2-S4

28
Q

What nervous system involves fight or flight?

A

Sympathetic

29
Q

What nervous system involves rest and digest?

A

Parasympathetic

30
Q

Give some examples of sympathetic responses from the pelvis?

A
  • Decreased movement of rectum
  • Internal anal and urethra sphincters are contracted
  • Bladder detruser relaxes
  • Ductus deferens and seminal vesicle contract
31
Q

Give some examples of parasympathetic responses from the pelvis?

A
  • Increased mobility of the rectum
  • Relaxation of the internal anal sphincter
  • Contraction of the detruser muscle
  • No effect on the seminal vesicles, ductus deferens or uterus
32
Q

What vertebral levels supply the perineum?

A

Sacral

33
Q

How does sensory innervation reach the anterior skin of the pelvis?

A

Via ilioinguinal, pudendal and genitofemoral nerves

34
Q

What nerve gives sensory innervation to the genitalia?

A

Pudendal nerve

35
Q

What large vessel does the main arterial supply of the pelvis come from?

A

Internal iliac artery

36
Q

What two branches does the aorta divide into? and at what level?

A

The common iliac arteries at L4

37
Q

What does each common iliac artery further divide into?

A

Internal and external iliac branches

38
Q

What branch of the common iliac artery supplies the lower limb?

A

External iliac

39
Q

What branch of the common iliac artery supplies the pelvis?

A

Internal iliac

40
Q

The internal iliac artery divides into what branches?

A

Anterior and posterior division of the internal iliac artery

41
Q

What are the 9 branches of the anterior division of the internal iliac artery?

A
  • Umbillical artery
  • Superior vesicle arteries
  • Obturator artery
  • Inferior vesicle artery
  • Middle rectal artery
  • Inferior gluteal artery
  • Internal pudendal artery
  • Vaginal artery
  • Uterine artery
42
Q

What arteries supply the bladder?

A

Superior vesicle arteries

43
Q

What artery passes through the obturator foramen and into the medial compartment of the thigh?

A

Obturator artery

44
Q

What artery in males is replaced by the vaginal artery in females?

A

Inferior vesicle artery

45
Q

What artery supplies the rectum in both sexes and the prostate in males?

A

Middle rectal artery

46
Q

What artery passes through the greater sciatic notch to supply the gluteal region?

A

Inferior gluteal artery

47
Q

Blood supply to the internal male reproductive organs and tissues of the perineum are from which local artery?

A

The internal iliac artery

48
Q

Blood supply to the testes comes from where?

A

Directly from the abdominal aorta

49
Q

Blood supply to the ovaries come from where?

A

Directly from the abdominal aorta

50
Q

What are the 3 branches of the posterior division of the internal iliac artery?

A
  • Iliolumbar artery
  • Lateral sacral artery
  • Superior gluteal artery
51
Q

Whatdoes the superior gluteal atery supply?

A

Parts of the gluteal region

Gross Anatomy 2 (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions