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Anatomy 2 > Lecture 1: Osteology & Arthrology of the Thoracic Limb > Flashcards

Lecture 1: Osteology & Arthrology of the Thoracic Limb Flashcards

1
Q

Label A through K

A
  • A: Shoulder
  • B: Shoulder point
  • C: Upper arm
  • D: Elbow
  • E: Knee
  • F: Cannon bone & Splint bones
  • G: Toe
  • H: Heels
  • I: Pastern
  • J: Fetlock
  • K: Forearm
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2
Q

Label the following Picture

A
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3
Q

What is a landmark on the scapula that can be palpated in Equine

A

Scapular Tuber

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4
Q

What are the differences found on the lateral side of an equine scapula and a canine scapula

A
  • Scapular Cartilage
  • There is no acromion
  • Glenoid Notch
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5
Q

Label the following picture

A
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6
Q

What muscle attachs to the Facies Serrata in Equine

A

Facies Serrata m.

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7
Q

What is the difference between the Facies Serrate in Equine compared to a canine

A

There is two facies serrate in equine but one in dogs

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8
Q

Label the following:

A
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9
Q

What are the difference in the Cranial View of an equine humerus compared to a canine humerus

A
  • There is a double intertubercular groove
  • Have an intermediate tubercle
  • No foramen
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10
Q

Label the following:

A
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11
Q

T/F: the olecranon fossa is very deep in equine

A

True

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12
Q

Label the following

A
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13
Q

Which bone in equine is the only bone that reaches the carpus

A

The radius

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14
Q

What are some differences found on the lateral view of an equine radius & ulna compared to a canine radius & unla

A
  • the radius & ulna are fused
  • There is a interosseous space
  • The styloid process are BOTH found on the radius
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15
Q

Label the following:

A
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16
Q

Label the following:

A
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17
Q

How many digits are found in equine (what # are they)

A
  • 1
  • Digit #3
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18
Q

T/F: Digit #1 & #5 carpal bones will never be found in the distal row of carpal bones in equine

A

F; they can sometimes be there

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19
Q

What carpal bone is the biggest in the distal row of carpal bones in equine

A

3

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20
Q

What is a major difference found in the Equine carpus compared to canines

A

The radial carpal bone and the ulnar carpal bone are not fused together like in dogs

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21
Q

Label the following:

A
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22
Q

What is the purpose of the accessory carpal bone

A

To join the radius & ulnar carpal bone

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23
Q

Label the following

A
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24
Q

What digit is the singular weight-bearing digit

A

Digit #3

25
Q

What kind of the apex does the distal phalanx in equine have

A

A broad round apex

26
Q

What is a main difference in the distal phalanx in equine compared to canine

A

The distal phalanx in equine is flat

27
Q

Label the following:

A
28
Q
A
29
Q

What are some differences found in the palmar side of an equine thoracic digit compared to a canine

A
  • The medial proximal sesamoid is bigger & more triangular shaped
  • There is a proximal phalangeal trigone (an attachment site for multiple ligaments)
  • There is a medial & lateral solar foramen with a canal connecting the two
30
Q

Label the following:

A
31
Q

what does spheroid mean when discussing joints

A

That the joint can do all ranges of movement

32
Q

Describe the humeral joint in equine

A
  • Is a Simple spheroid joint but acts like a hinge joint
  • Is involved in flexion and extension movements
  • Has glenohumeral ligaments that act as a thick capsule on the medial & lateral side
  • Has a thick biceps brachii origin tendon & a bursa
33
Q

What is circled in pink?

A

The biceps brachii origin tendon

34
Q

There is a ____ capsule surrounding the entire carpal area

A

Full

35
Q

What type of joint is the antebrachiocarpia (radiocarpal) joint

A

Hinge

36
Q

What type of of joint is the intercarpeae (intercarpal) joint

A

Plane

37
Q

What type of joint is the mediocarpea (midcarpal) joint

A

Hinge

38
Q

What type of joint is the carpometacarpeae (carpometacarpal) joint

A

Plane

39
Q

Describe the carpal joints in equine

A
  • They are similar to other species
  • The radiocarpal joint is surrounding the radius & proximal carpal row
  • The sinovial capsule of the radiocarpal joint is independent
  • The sinovial capsule of the inter & Mediocarpea is a shared capsule
  • Consist of the lateral colateral & medial colateral ligaments
40
Q

What does anti degree does the radiocarpal allow

A

90 degrees

40
Q

What carpal joint has the most range of movement & how many degrees of motion (midcarpal joint)

A
  • The mediocarpea found between the proximal & distal carpal bones
  • Allows for ~45 degrees for mostly deflection
41
Q

What is the red line

A

Radiocarpal joint

41
Q

Describe the capsule joint between the proximal carpal bones & the metacarpal joint (carpometacarpal joint)

A
  • The bones just slide
  • There is not much range of motion
42
Q

What is the blue for

A
  • The top = Mediocarpea (midcarpal) joint
  • The bottom = Carpometacarpeae (carpometacarpal) joint
43
Q

What is circled in pink

A

The intercarpal joint

44
Q

Can the joint capsules be palpated

A

yes

45
Q

What joint is this

A

Midcarpal joint

46
Q

Describe the metacarpophalangeal joint (fetlock)

A
  • Compound hinge
  • Great range of motion
  • Has small dorsal recess and a large palmar recess
47
Q

Describe the proximal interphalangeal joint

A

A saddle joint

48
Q

Describe the distal interphalangeal joint (coffin)

A
  • Saddle joint
49
Q

What digit joints are colateral ligaments found in

A

All of them

50
Q

What are dorsal & palmar recesses

A

Sac of the metocarpophalangeal joint

51
Q

What motions do the digit joints perform

A

Flexion & extension

52
Q

What are A through C:

A
  • A = Metacarpophalangeal joint
  • B = Proximal interphalangeal joint
  • C = Distal interphalangeal joint
53
Q

What are the boundaries of the palmar recess

A
  • Dorsal = Metacarpal bone 3
  • Palmar = Interosseous ligament
  • Distal = Proximal sesamoid bones
54
Q

Label the *

A

The palmar recess

55
Q

Label A and B

A
  • A = Dorsal recess
  • B = Palmar recess
56
Q

Label the following

A
  • A = Metacarpal bone
  • B = Sesamoid bone
  • C = Proximal phalange

Anatomy 2 (5 decks)

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