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ANAT FINALS > L38: Pelvis I > Flashcards

L38: Pelvis I Flashcards

1
Q

Body walls are heterogeneous stratifications of different _____?

A

Tissue layers

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2
Q

Pelvis is?

A

Dorsal, ventral, and lateral walls of pelvic cavity

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3
Q

Perineum?

A

Caudal wall of the pelvic cavity

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4
Q

What is boney pelvis consists of?

A

2 coxal bones + sacrum + 3-7 caudal vertebrae

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5
Q

What is pelvic girdle composed of?

A

2 coxal bones

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6
Q

What is coxal bone composed of?

A

ilium + pubis + ischium

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7
Q

Pelvic inlet vs pelvic outlet?

A

Pelvic inlet: pelvic entrance on border

Pelvic outlet: space used to peritoneal

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8
Q

Coxal bones act as external ____?

A

Hallmarks

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9
Q

Sacral tuber is known as point of the ____?

A

Croup

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10
Q

Coxal tuber is known as point of the __?

A

Hip

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11
Q

Ischial tuber is known as the point of the ____?

A

Butt

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12
Q

Acetabulum is called the _____joint?

A

Coxofemoral

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13
Q

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

A
  1. Sacro-iliac joint
  2. Pubic symphysis
  3. Acetabulum
  4. Intervertebral joints (sacral and caudal vertebrae)
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14
Q

The diarthrosis of sacro-iliac joint has _____ movement.

A

Limited

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15
Q

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

A
  1. Ventral sacro-iliac ligament
  2. Dorsal sacro-iliac ligament
  3. Lateral sacro “ “
  4. Sacrotuberous ligament
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16
Q

Amphiarhtrosis of pubic symphysis acts as?

A

acts as “glue” of 2 coxal bones

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17
Q

The sacrotuberous ligament in large animals is what?

A

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

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18
Q

In pelvis, most outer wall is the ?

A

Sacrotuberous ligament, which is narrow band of tissue

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19
Q

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

A

intervertebral discs and connective tissue sheath

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20
Q

The muscules of pelvic roof is called?

A

Sacrocaudalis ventralis

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21
Q

The pelvic diaphragm has 2 muscles- what are they?

A
  • Levator ani

- Coccygeus

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22
Q

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

A

Obturator inernus

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23
Q

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

A
  1. Lateralis (long depressor of tail)

2. Medialis (short depressor of tail)

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24
Q

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

A

Flexion and lateral movements of the tail; caudal spinal nerve

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25
Q

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

A
  1. Coccygeus: flexion and lateral movements of the tail

2. Levator ani: reduce partial prolapse of anus at defecation

26
Q

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

A
  • Coccygeus- Caudal rectal and pudendal nerves

- Levator ani- Caudal rectal and pudendal nerves

27
Q

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

A

Innervated by ischiatic nerve

Action: rotates femur laterally

28
Q

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

A
  1. Iliococcygeus
  2. Pubococcygeus
  3. Puborectalis
29
Q

The levator ani of canivorans are innervated by what nerves?

A

Caudal rectal and pudendal nerves

30
Q

The levator ani of canivorans’ action is what?

A

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

31
Q

What is the perineal membrane?

A

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
Q

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

A

Border of schial arch

- Attachment: cranial surface of vaginal vestibule, penis bulb

33
Q

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

A

Innervated by caudal rectal and pudendal nerves

Action: flex tail laterally or ventrally

34
Q

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

A

Digestive, urinary and reproductive systems

35
Q

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

A

Rectum

36
Q

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

A

Ureter, bladder, urethra

37
Q

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

A

uterus, vagina

38
Q

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

A

Ducuts deferens, Accessory sex glands

39
Q

The peritoneal ligament covers what?

A

Walls to the visceral

40
Q

Pouch-like extensions form at the _____wall of the peritoneal ‘balloon’

A

Caudal

41
Q

The viscera of what area are covered by adventitia?

A

Retroperitoneal

42
Q

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

A
  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
Q

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

A

Dorsal arteries: caudal gluteal a and median sacral a

Ventral: Internal pudendal a.

44
Q

The visceral blood supply of DOG is from what artery?

A

Internal pudendal a

45
Q

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

A

Dorsal arteries: caudal gluteal a and median sacral a

Ventral: Internal pudendal a.

46
Q

The visceral blood supply of HORSE is from what artery?

A

Internal pudendal a

47
Q

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

A

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

48
Q

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

A

In horse, it gets covered by deep gluteal m.

49
Q

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

A

In dog. it is absent*

50
Q

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

A

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

51
Q

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

A

In horse, it emerges from the external iliac a

52
Q

Innervation of the pelvis is responsible by? *

A

Pelvic plexus*

53
Q

Regional non-innervating nerves are all from? *

A

Lumbosacral plexus

54
Q

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

A

internal ileac and sacral nodes

55
Q

Rectal palpation in Large animals purpose?

A
  • Clinical examination of intestines

- Reproductive diagnosis

56
Q

Rectal palpation in small animals purpose?

A
  • Clinical examination of anus and rectum
  • clinical examination of reproductive tract
  • Examination of boney pelvis
57
Q

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

A

Distension and impaction

58
Q

Purpose of reproductive diagnosis in large animal rectal palpation?

A

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

59
Q

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

A

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

60
Q

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

A

Pathologies in vagina or prostate

ANAT FINALS (19 decks)

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