33 Questions
Match the term with its function in regards to the equine hoof.
Perioplic dermis = Produces external shiny coating Coronary dermis = Produces hoof wall thickness Corium = Hoof growth via nourishing germinal epidermis Sole dermis = Produces the sole
Match the term to its location/function, in regards to the fetlock joint in equines.
Palmar annular ligament = Retains SDF and DDF Scutum = The DDF tendon slides on this Straight sesamoidean ligament = Attaches proximal sesamoids to proximal and middle phalanges Oblique (and cruciate) sesamoidean ligament = Attaches proximal sesamoids to proximal phalanx
The Navicular bursa is located between what 2 things?
Distal sesamoid bone and DDF tendon
What connects the biceps brachii and extensor carpi radialis muscles within the Stay Apparatus?
lacertus fibrosus
What does the lacertus fibrosus prevent within the Stay Apparatus?
Carpal flexion
What muscle tendon does the medial and lateral extensor branches of the suspensory ligament (in equines) unite with?
Common digital extensor
At the level of the fetlock, what does the SDF form that allows the DDF to pass?
Flexor manica
Name the bursa found at the level of the infraspinatus, in both dogs and horses.
Infraspinatus bursa
Name the bursa found at the level of the Biceps Brachii, in both dogs and horses.
Intertubercular bursa
Within horses, the tendon sheath of the common and lateral digital extensor tendons are located between these muscle and what?
Cannon bone
The interosseous muscle (AKA: Suspensory ligament) originates at the palmar carpal ligament and proximal palmar surface of MC3. What is its insertion?
Proximal sesamoid bones
What is the chestnut the equivalent of for equines?
Carpal pad
What is the Ergot the equivalent of for equines?
Metacarpal pad
The rhythm of movement for _____ will aid the return of blood to the heart, within equines.
Hoof capsule
Match the number (from the image) to the correct term, in regards to the equine hoof.
1 = Perioplic dermis 2 = Coronary dermis 3 = Laminar dermis 4 = Terminal papillae
Diagnosis of what horse ailment is done using local nerve blocks?
Lameness
Nerve paralysis of the ____ nerve is an anesthetic risk for horses that can be life threatening. Therefore, the "downlimb" must be pulled forward to prevent the weight of the chest from compressing this nerve.
Radial
In horses, damage to the suprascapular nerve results in the atrophy of the supraspinatus and infraspinatus muscles, causing the scapular spine to be visible during examination. What is the name of this ailment?
Shoulder sweeney syndrome
Horses are susceptible to Shoulder Sweeney Syndrome due to their lack of what?
Acromion
In horses, which nerve wraps around the scapular neck from medial to lateral?
Suprascapular
Which nerve passes through the carpal canal, in horses, and supplies sensory innervation to the palmar surface of the metacarpus?
Median
In ____, the radial nerve provides sensation to the flexors of the elbow, carpus, and digits.
In ____, the radial nerve provides innervation to the triceps and continues to the superficial branch where sensory innervation goes to craniolateral anterbrachium only.
Horses
In horses, which nerve supplies cutaneous sensation to the caudal aspect of the antebrachium where it innervates the carpal and digital flexors?
Ulnar
In bovine, which 2 bones are fused?
Carpal 2 and 3
What are the weight bearing bones for bovine?
Metacarpal 3 and 4
Bovine lack an intermediate tubercle.
True
Bovine lack an acromion.
False
What is the term that is defined as: The thoracic limb is held to the body by muscle attachment?
Synsarcosis
In small animals, match the nerve root damage with the results.
Radial = Cannot weight bear on that limb Suprascapular = Cannot stabilize shoulder laterally or advance limb Musculocutaneous = Cannot lift limb off the floor or flex elbow Subscapular = Cannot stabilize shoulder medially or advance limb
For the dog autonomous zones, match the nerve to the number.
2 = Radial 3 = Musculocutaneous 4 = Axillary 1 = Ulnar
For the horse autonomous zones, match the term to the number.
2 = Radial 3 = Musculocutaneous 4 = Median 1 = Ulnar
In horses, which nerve supplies cutaneous innervation only to the mediodorsal thoracic limb to the level of the fetlock?
Medial cutaneous antebrachial
Key topics in lab guide
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