L38: Pelvis I Flashcards Preview

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Flashcards in L38: Pelvis I Deck (60):
1

Body walls are heterogeneous stratifications of different _____?

Tissue layers

2

Pelvis is?

Dorsal, ventral, and lateral walls of pelvic cavity

3

Perineum?

Caudal wall of the pelvic cavity

4

What is boney pelvis consists of?

2 coxal bones + sacrum + 3-7 caudal vertebrae

5

What is pelvic girdle composed of?

2 coxal bones

6

What is coxal bone composed of?

ilium + pubis + ischium

7

Pelvic inlet vs pelvic outlet?

Pelvic inlet: pelvic entrance on border
Pelvic outlet: space used to peritoneal

8

Coxal bones act as external ____?

Hallmarks

9

Sacral tuber is known as point of the ____?

Croup

10

Coxal tuber is known as point of the __?

Hip

11

Ischial tuber is known as the point of the ____?

Butt

12

Acetabulum is called the _____joint?

Coxofemoral

13

Boney pelvis results from the contribution of which 4 joints?*

1. Sacro-iliac joint
2. Pubic symphysis
3. Acetabulum
4. Intervertebral joints (sacral and caudal vertebrae)

14

The diarthrosis of sacro-iliac joint has _____ movement.

Limited

15

Sacro-iliac joint reinforced by several ligaments? (4)

1. Ventral sacro-iliac ligament
2. Dorsal sacro-iliac ligament
3. Lateral sacro " "
4. Sacrotuberous ligament

16

Amphiarhtrosis of pubic symphysis acts as?

acts as "glue" of 2 coxal bones

17

The sacrotuberous ligament in large animals is what?

The most lateral layer of the pellvic wall, medial the gluteal muscles

18

In pelvis, most outer wall is the ?

Sacrotuberous ligament, which is narrow band of tissue

19

The element that constitutes joint of horse tail include what two structures?

intervertebral discs and connective tissue sheath

20

The muscules of pelvic roof is called?

Sacrocaudalis ventralis

21

The pelvic diaphragm has 2 muscles- what are they?

- Levator ani
- Coccygeus

22

The muscles of the pelvic floor (ungulates) is what?

Obturator inernus

23

in the sacrocaudalis ventralis, there are two portions (depressors of the tail)- what are they?

1. Lateralis (long depressor of tail)
2. Medialis (short depressor of tail)

24

What do the depressors of the tail do and what are they innervated by?

Flexion and lateral movements of the tail; caudal spinal nerve

25

In pelvic diaphragm in ungulates, there are two structures (movement of tail) what are they and what is their mode of action?

1. Coccygeus: flexion and lateral movements of the tail
2. Levator ani: reduce partial prolapse of anus at defecation

26

In pelvic diaphragm in ungulates, there are two structures (movement of tail) what are they each innervated by?

- Coccygeus- Caudal rectal and pudendal nerves
- Levator ani- Caudal rectal and pudendal nerves

27

What is the obturator internus innervated by and what is its action?

Innervated by ischiatic nerve
Action: rotates femur laterally

28

The levator ani of canivorans have what 3 bands in the levator ani? *

1. Iliococcygeus
2. Pubococcygeus
3. Puborectalis

29

The levator ani of canivorans are innervated by what nerves?

Caudal rectal and pudendal nerves

30

The levator ani of canivorans' action is what?

Flex tail laterally or ventrally (1and2 of 3 bands) and reduce partial prolapse of anus at defecation

31

What is the perineal membrane?

A membrane of strong fibrous tissue that extends from the borders of the ischial arch to the vestibule or penis bulb to anchor them

32

What is the origin of the perineal membrane? Attachment? (2)

Border of schial arch
- Attachment: cranial surface of vaginal vestibule, penis bulb

33

The coccygeous of carvinorans is innervated by what and what is its action?

Innervated by caudal rectal and pudendal nerves
Action: flex tail laterally or ventrally

34

The pelvis contains the terminal parts of the __, ___, and ___?

Digestive, urinary and reproductive systems

35

In the pelvis which structure is part of the digestive system? (1)

Rectum

36

In the pelvis which structures are part of the urinary system? (3)

Ureter, bladder, urethra

37

In the pelvis which structures are part of the FEMALE repro system? (2)

uterus, vagina

38

In the pelvis which structures are part of the MALE repro system? (2)

Ducuts deferens, Accessory sex glands

39

The peritoneal ligament covers what?

Walls to the visceral

40

Pouch-like extensions form at the _____wall of the peritoneal 'balloon'

Caudal

41

The viscera of what area are covered by adventitia?

Retroperitoneal

42

In the perotineal space, there are 4 pouches- list the four pouches and what structures are associated with those pouches.

1. Sacro-rectal pouch
- Mesorectum
2. Recto-genital pouch
- Genital folds
3. Vesico-genital pouch
- Lateral ligaments of bladder
4. Vesico-pubic pouch
- Middle ligament of bladder

43

The parietal blood supply of the DOG occurs from dorsal (2) and ventral arteries (1)- what are they?

Dorsal arteries: caudal gluteal a and median sacral a
Ventral: Internal pudendal a.

44

The visceral blood supply of DOG is from what artery?

Internal pudendal a

45

The parietal blood supply of the HORSE occurs from dorsal (2) and ventral arteries (1)- what are they?

Dorsal arteries: caudal gluteal a and median sacral a
Ventral: Internal pudendal a.

46

The visceral blood supply of HORSE is from what artery?

Internal pudendal a

47

Differences of pelvis supply btwn horse and dog- median sacral a? (horse)

In horse, it emerges from the internal iliac a (right or left)

48

Differences of pelvis supply btwn horse and dog- lt. caudal gluteal a.? (horse)

In horse, it gets covered by deep gluteal m.

49

Differences of pelvis supply btwn horse and dog- lt. obturator a? (dog)*

In dog. it is absent*

50

Differences of pelvis supply btwn horse and dog- Lt umbilical a? (horse)

In horse, it emerges from the internal pudendal a (or the internal iliac a)

51

Differences of pelvis supply btwn horse and dog- lt uterine a.? (horse)

In horse, it emerges from the external iliac a

52

Innervation of the pelvis is responsible by? *

Pelvic plexus*

53

Regional non-innervating nerves are all from? *

Lumbosacral plexus

54

The lymph of the pelvic viscera drains to the___ and ___?

internal ileac and sacral nodes

55

Rectal palpation in Large animals purpose?

- Clinical examination of intestines
- Reproductive diagnosis

56

Rectal palpation in small animals purpose?

- Clinical examination of anus and rectum
- clinical examination of reproductive tract
- Examination of boney pelvis

57

Purpose of clinical examination of intestines in large animals during rectal palpation?

Distension and impaction

58

Purpose of reproductive diagnosis in large animal rectal palpation?

Female: pregnancy, ovarian status, repro tract pathologies
Male: integrity of accessory sex glands and prostate massage for semen collection

59

Purpose of clinical examination of anus and rectum in small animal rectal palpation?

Integrity of rectum walls and mucosa, tone of anal sphincter and expression of anal sacs

60

Purpose of clinical examination of repro tract in small animal rectal palpation?

Pathologies in vagina or prostate