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Skeleton-Horse

302.3 Vet nursing The skeletal system of the horse

QuestionAnswer
How does the orbit of the horse skull differ to other mammals? Complete (all way around eye)
What is the vertebral formula of the horse? C7 T18 L6 S5 C15-20
What are the first 2 cervical vertebrae called? Atlas and axis
The thoracic vertebrae have large what? Spinous processes
T4-T9 in the horse make up what structure? Withers
How many ribs does the horse have? 18 pairs
What are the first 8 pairs of ribs called? True ribs
What are the last 10 pairs of ribs called? False ribs
Why does the humerus lie at an angle in the horse shoulder? Good shock absorption
How is the humerus different in the horse compared to dogs or cats? Shorter
How are the radius and ulna different in the horse compared to dogs or cats? Bones are fused together
Is the radius on the medial or lateral side? Medial
Which process of the ulna forms the point of the elbow? Olecranon
The carpus in the horse is also known as what? Knee
How many metacarpals and metatarsals does the horse have? 3
Which is the only metacarpal and metatarsal that is fully developed? M3
What is the 3rd metacarpal and metatarsal known as in the horse? Cannon bone
What are the 2nd and 4th metacarpals and metatarsals known as in the horse? Splint bones
Which splint bone lies on the lateral aspect of the limb? M4
How many digits does a horse bear weight on? 1
Which digit does a horse bear weight on? D3
How many phalanges make up the digit? 3
What is the name of phalanx 1? Long pastern
What is the name of phalanx 2? Short pastern
What is the name of phalanx 3? Pedal bone
Where is the fetlock joint? Between cannon bone and P1
Where is the pastern joint? Between P1 and P2
Where is the coffin joint? Between P2 and P3
How many sesamoid bones in the lower leg? 3
Where do the 2 proximal sesamoid bones sit? Back of the fetlock joint
Where does the distal sesamoid bone sit? Back of the pedal bone, in the coffin joint
What is the distal sesamoid bone called? Navicular bone
The tarsus of the horse is know as what? Hock
Which process of the tarsus forms the point of the hock? Os calcis
Created by: 18000305