Distal limb Flashcards

1
Q

Label the joints

A
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2
Q

What is the light orange tendon

A

Common digital extensor:
Main extensor of digits
Receives branches from suspensory ligament (interosseus) (green)

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3
Q

What is the dark orange tendon

A

Lateral digital extensor:
Lateral to common digital extensor

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4
Q

What is the bright red tendon

A

Long digital extensor:
Main digital extensor of hindlimb
Receives slip from interosseus ligament (blue)

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5
Q

What is the dark red tendon

A

Lateral digital extensor

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6
Q

What are the flexor tendons of digits

A

Located on palmar aspect

Superficial digital flexor tendon:
Subcutaneous & palpable
Forms sleeve around DDFT at level of proximal sesamoids (manica flexoria)
Flexes proximal & middle phalangeal joints & stabilises fetlock joint

Deep digital flexor tendon:
Runs deep to SDFT
Passes through manica flexoria

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7
Q

Label the tendons

A
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8
Q

Fill in the table for distal forelimb

A
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9
Q

Describe innervation of distal hindlimb

A

Tibial – muscular supply to extensors of hock & flexors of digits

Fibular – muscular supply to flexors of hock & extensors of digits

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10
Q

What nerve block is this

A

Palmar digital nerve block:

Palmar digital nerves in pastern region

Desensitises hoof structures other than dorsal coronary band

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11
Q

What nerve block is this

A

Abaxial sesamoid nerve block:

Palmar digital nerves on abaxial surface of proximal sesamoid bones

Desensitises digit & caudal fetlock joint

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12
Q

Label the bovine distal limb

A
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13
Q

Label the equine distal limb

A
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14
Q

Label the bovine distal limb

A
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15
Q

Label the equine distal forelimb

A
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16
Q

Label the bovine distal limb

17
Q

Label the image

18
Q

Label the image

A
  1. Carpal pad
  2. Metacarpal pad
  3. Digital pads
    Arrow. Dew claw
19
Q

Label the image

20
Q

Label the image

21
Q

Label the image

A

Lameness usually in hindlimb & lateral claw

22
Q

Label the image

23
Q

Label the image

24
Q

What are the parts of a ruminant claw

A

Dermis:
Living tissue
Blood vessels
Nerves
Role: supply

Epidermis:
Inner part = living cells that produce horn
Outer part = dead horn
Role: horn formation

25
Label the diagram
1. Coronary papillae 2. Dermal lamellae 3. Solar papillae
26
Describe footrot in sheep
Caused by Dichelobacter nodous Interdigital dermatitis caused by various bacteria that invade surface layers of skin between claws Initially develops as scald & then under-running of hoof horn & characteristic smell Infection can spread between sheep that walk on same surface Treated with antibiotic injections & spray Fusobacterium necrophorum causes scald