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Anatomy > LA Pelvic Cavity > Flashcards

LA Pelvic Cavity Flashcards

1
Q

What makes up the pelvic girdle?

A

Both sides of the os coxae

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2
Q

What is the purpose of the pelvic girdle?

A

Connection between limb and trunk

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3
Q

What are the bones of the pelvic symphysis?

A

Pubis + Ischium

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4
Q

What skeleton is the pelvis a part of?

A

appendicular

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5
Q

Why must guinea pigs be bred before 6 months of age?

A

Their pelvic symphysis has not yet fused; if they have babies after it fuses they will need a C-section

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6
Q

What makes up the boney pelvis?

A

pelvic girdle, sacrum, and first 3-4 caudal vertebrae

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7
Q

What is the body of the pelvis?

A

parts of the ilium, ischium, and pubis that are closest to the acetabulum

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8
Q

How is the iliac crest of the LA different from the dog’s?

A 
LA = concave
dog = convex
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9
Q

Which tuberosities of the pevis are palpable in the LA?

A

tuber coxae and ischial tuberosity

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10
Q

Why is the ischial arch important in pregnant animals (horse and cow)?

A 
Horse = flatter ischial arch, "explosive" birth
Cow = very curved, need to pull calf up, over the arch, and then down
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11
Q

How would you diagnose a coxofemoral luxation?

A

The greater trochanter is displaced craniodorsally between the ischiatic tuber (pin bone) and the tuber coxae (hook bone).

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12
Q

What is another name for the tuber coxae?

A

hook bone

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13
Q

What is another name for the ischiatic tuber?

A

pin bone

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14
Q

What muscle attaches to the iliopubic eminence?

A

pectineus m.

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15
Q

What type of joint is the sacroiliac joint?

A

synovial

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16
Q

What makes up the median sacral crest?

A

fused sacral bones (spinous processes and vertebral bodies)

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17
Q

How many sacral vertebra does a carnivore have?

A

3

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18
Q

How many sacral vertebra does a pig have?

A

4

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19
Q

How many sacral vertebra does a sheep have?

A

4

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20
Q

How many sacral vertebra does a horse have?

A

5

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21
Q

How many sacral vertebra does a cow have?

A

5

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22
Q

How many sacral vertebra does a goat have?

A

5

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23
Q

What is special about the sacral foramina of the pig?

A

Nothing comes out of them

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24
Q

What is special about the sacrum of the pig?

A

There are no large spinous processes

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25
Q

What is special about the sacrum of the horse?

A

The vertebrae do not usually fuse so it rarely has a median sacral crest

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26
Q

What are the 3 attachments of the broad sacrotuberous ligament?

A
  1. sacral tuber (cranially)
  2. tuber ischii (caudally)
  3. sciatic spine (ventrolaterally)
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27
Q

What muscle originates from the ischiatic spine?

A

deep gluteal

28
Q

What is another name for the pelvic inlet?

A

terminal line

29
Q

Which animal has a more narrow pelvic inlet than outlet?

A

Carnivore; all others have a more narrow pelvic outlet than inlet

30
Q

What is the ventral border of the pelvic outlet?

A

ischiatic arch and tuberosity

31
Q

What is the dorsal border of the pelvic outlet?

A

3rd and 4th caudal vertebrae

32
Q

What is the lateral border of the pelvic outlet?

A

broad sacrotuberous ligament

33
Q

Where is the origin and insertion of the iliacus?

A

O: pelvis
I: lesser trochanter

34
Q

Where does the psoas major insert?

A

lesser trochanter

35
Q

Where does the external obturator insert?

A

lesser trochanter

36
Q

What is special about the levator ani?

A

no vertebral attachment

37
Q

What species do not have an internal obturator muscle?

A

ox and pig

38
Q

What are the two major muscles of the ischiorectal fossa?

A

coccygeus and levator ani

39
Q

Where does the levator ani attach?

A

dorsal to the anus

40
Q

What is the ischiorectal fossa?

A

space between the ischium and rectum

41
Q

What are two examples of things that can prolapse?

A

uterus and rectum

42
Q

What two nerves are used for standing, and which one is necessary?

A

femoral (necessary) and sciatic

43
Q

What are the nerves called (collectively) that come out of the sacral foramina?

A

sacral plexus

44
Q

What nerve do you block to put the uterus back in?

A

pudendal

45
Q

What nerve gets highjacked by the pudendal nerve?

A

caudal cutaneous femoral nerve

46
Q

What nerve do you need for birthing?

A

obturator

47
Q

What are the two branches of the pudendal nerve that supply to the skin?

A

distal cutaneous branch and proximal cutaneous branch

48
Q

In the OX, what passes through the greater sciatic foramen?

A

sciatic n.,
cranial gluteal a. and v.,
caudal gluteal n.

49
Q

In the OX, what passes through the lesser sciatic foramen?

A

caudal gluteal a. and v.

50
Q

In the OX, what passes through the broad sacrotuberous ligament at its caudoventral portion?

A

proximal cutaneous branch of pudendal nerve

51
Q

What muscles are supplied by the cranial gluteal a., v., and n.?

A 
tensor fascia latae
middle gluteal
accessory gluteal
piriformis
deep gluteal
52
Q

What two nerves innervate the gluteobiceps?

A

caudal gluteal –> superficial gluteal m.

sciatic nerve –> biceps femoris

53
Q

What animals do not have a prominent ischiorectal fossa?

A

pig and horse

54
Q

What passes through the greater ischiatic foramen in the HORSE?

A

sciatic n.
caudal cutaneous femoral n.
caudal gluteal n.

55
Q

What species has a short internal iliac artery?

A

dog and horse

56
Q

What species has a short internal pudendal artery?

A

ox

57
Q

What species has a long internal pudendal artery?

A

horse

58
Q

What species has a long internal iliac artery?

A

ox

59
Q

What are the two main branches of the internal iliac artery?

A

internal pudendal

caudal gluteal

60
Q

What are the two branches of the internal pudendal artery in the dog?

A

middle gluteal

vaginal/prostatic

61
Q

Where does the vaginal/prostatic artery branch from in the ruminant and pig?

A

internal iliac

62
Q

Where does the vaginal/prostatic artery branch from in the horse?

A

internal pudendal

63
Q

What gives off the umbilical artery in the horse?

A

internal pudendal

64
Q

What gives off the umbilical artery in the dog?

A

internal iliac

65
Q

What gives off the cranial gluteal arteries in the ruminant and pig?

A

internal iliac

Anatomy (13 decks)

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