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Advanced Anatomy > Bones of the Thoracic Limb > Flashcards

Bones of the Thoracic Limb Flashcards

1
Q

What is the scapula also called?

A

shoulder blade

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2
Q

the scapula is the basis of the shoulder region, and is described as

A

a flat bone lying over craniodorsal thorax

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3
Q

how is the scapula held in place

A

by muscles

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4
Q

What lies on top of the supraspinous fossa and the infraspinous fossa of the scapul?

A

muscles of the shoulder

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5
Q

What does the Glenoid cavity of the scapula articulate with

A

the head of the humerus

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6
Q

what is the other name for the upper arm/humerus

A

Brachium

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7
Q

What does the head of the humerus articulate with?

A

glenoid cavity of the scapula

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8
Q

What aspect is the greater tubercle of the humerus on?

A

lateral aspect

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9
Q

What aspect is the lesser tubercle of the humerus on?

A

medial

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10
Q

What muscle inserts at the deltoid tuberosity (of the humerus)

A

deltoideus muscle

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11
Q

What does the olecranon fossa of the humerus contain/recieve

A

contains foramen/receives the anconeal process of the ulna

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12
Q

What originates at the medial epicondyle of the humerus

A

the flexor muscles of the carpus and digits

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13
Q

What originates at the lateral epicondyle

A

extensor muscles or the carpus/digits

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14
Q

What does the Capitulum (lateral) of the Humerus articulate with??

A

the radius

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15
Q

What does the Trochlea (medial) articulate with?

A

the radius and the ulna

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16
Q

What muscles attach at the tuberosity for Teres Major on the Humerus?

A

Teres Major and Latissimus Dorsi muscles

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17
Q

What originates at the Brachialis Groove of the humerus?

A

Brachialis muscle

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18
Q

What attaches at the Tricipital line of the humerus?

A

Triceps muscle

19
Q

The Radius and Ulna are bones of the __________ or ____________

A

Forearm or Antebracium

20
Q

How is the Ulna and radius orientated proximally in the standing position

A

Ulna is caudal to the radius

21
Q

How is the Ulna and radius orientated distally in the standing position?

A

Ulna is lateral to the radius

22
Q

How is the radius and ulna held together?

A

by ligaments
rotational abilities

23
Q

The radius is a rod like bone that articulates with what?th

A

the distal humerus

24
Q

What does the circumferential facet of the radius articulate with?

A

the ulna

25
Q

What does the articular facet of the radius articulate with?

A

the ulna

26
Q

What structure does the Olecranon of the ulna make in a dog>

A

the proximal point of elbow

27
Q

What attaches to the Olecranon of the ulna

A

triceps muscles

28
Q

What does the anconeal process of the ulna fit into that is located on the humerus

A

the olecranon fossa of the humerus , proximal location

29
Q

What does the distal articular facet of the ulna articulate with?

A

the radius

30
Q

What does the lateral styloid process of the ulna articulate with

A

ulnar carpal bones

31
Q

carpal bones make up part of the ______ or ________

A

Forepaw or manus

32
Q

How many rows of carpal bones are there?

A

2 rows

33
Q

What carpal bones are in the proximal rows (list medial to lateral)

A

radial, intermediate, ulnar, accessory

34
Q

what carpal bones projects behind the carpus and is a landmark in a live animal

A

accessory bone

35
Q

what two bones fuse in dogs and cats and are called the intermediolateral bone

A

radial and intermediate

36
Q

what is the distal carpal bones listed as (medial to lateral)

A

Numbered 1-5 (in dogs and cats, no separate 5th bone. it is fused with the fourth)

37
Q

How many metacarpal bones are present in dogs and how are they named

A

5 present in dogs, named with Roman Numerals from medial to lateral

38
Q

What is the proximal aspect of the metacarpal bones called

A

Base
Articulates with distal row of carpal bones

39
Q

What is the distal aspect of the metacarpal bones called

A

Caput
Articulates with the proximal phalanx

40
Q

What dos the proximal phalanx bone articulate with?

A

Articulates with caput of metacarpal bones

41
Q

What phalanx houses claw or nail via ungual process

A

Distal Phalanx

42
Q

Where is the paired proximal sesamoid bones

A

located in metacarpophalangeal joint

43
Q

How does the radius and ulna differ in equines compared to dogs and cats

A

radius and ulna are fused

44
Q

What tendon allows cats to retract and protrude their claws

A

Deep digital flexor tendon

Advanced Anatomy (9 decks)

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