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What does the Cranial pectoral nn.innervate?
superficial pectoral mm.
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What does the Suprascapular n.innervate?
- supraspinatus m.
- infraspinatus m.
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What does the Subscapular n.innervate?
subscapularis
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What does the Axillary n.innervate?
teres major, teres minor, deltoideus, part of subscapularis
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What does the Thoracodorsal n.innervate?
latissimus dorsi m.
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What does the Musculocutaneous n.innervate?
coracobrachialis, biceps brachii, brachialis
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What does the Radial n.innervate?
- motor to all extensor muscles of elbow, carpus and digits
- all of triceps
- tensor fascia antebrachii
- anconeus
- ECR, CDE
- supinator
- LDE
- ulnaris lateralis
- splits into superficial and deep branches
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What does the Median n.innervate?
- pronator teres (Frank says dude pee Pee)
- pronator quadratus
- FCR, SDF, parts of DDF
- passes through the carpal canal to supply sensation to palmar surface of front paw
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What does the Ulnar n.innervate?
- FCU
- parts of DDF
- also passes through the lateral part of the carpal canal (sensory to palmar surface of paw with median n.)
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What does the Caudal pectoral nn.innervate?
- deep pectoral
- often combine with the lateral thoracic n. at its origin
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What nerve goes to the cutaneous trunci mm???
Lateral thoracic n.
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What is meant by cutaneous innervation?
There is an overlap of nerve innervation
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What are autonomous zones and why are they clinically useful to know?
- When there is no nerve innervation overlap.
- So you can tell which nerve is damaged.
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Which nerve gives off lateral cutaneous antebrachial n.?
Axillary n.
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Which nerve gives off the gives off medial cutaneous antebrachial n.?
Musculocutaneous n.
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Which nerve gives off lateral cutaneous antebrachial n.?
Radial n.
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Which nerve gives off caudal cutaneous antebrachial n.?
Ulnar n.
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What makes up the lateral palmar n.?
Palmar branch of ulnar n. joins with the lateral branch of the median nerve
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What is the parent n. to the Medial palmar digital n.?
Medial palmar n.
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Lateral palmar n. gives off a deep branch. What does this branch become?
- Medial palmar metacarpal n.
- Lateral Palmar metacarpal n.
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What is the Lumbosacral plexus?
THe ventral branches of the lumbar and sacral spinal n.n.
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What does the Obturator n.innervate?
- External obturator m.
- pectineus m.
- adductor m.
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What does the Femoral n.innervate?
- sartorius m.
- quadraceps m.m.
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What does the Saphenous n.innervate?
- sartorius m.
- cutaneous zone: medial thigh, stifle, leg, tarsus, and remainder of the paw
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What does the Pudendal n. innervate?
Internal reproductive structures
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What three branches does the internal pudendal n. give off?
- Caudal rectal n.
- Perineal n.
- Dorsal nerve of the penis/clitoris
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What does the Caudal rectal n.innervate?
external anal sphincter
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What does the Perineal n.innervate?
m.m. of penis or vestibule/vagina
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What innervation is the Dorsal nerve of the penis/clitoris?
sensory to glans or vulva/clitoris
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What does the Caudal cutaneous femoral n.innervate?
cutaneous zone of proximal caudal thigh
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What does the Caudal gluteal n.innervate?
Superficial gluteal m.
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What does the Cranial gluteal n.innervate?
- Middle and deep gluteal m.m.
- Tensor fascia latae m.
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What does the Sciatic n.innervate?
- Internal obturator m.
- Gamelli m.
- Quatratus femoris m.
- Biceps femoris m.
- Semi M m.
- Semi T m.
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What cutaneous zone does the Lateral cutaneous sural n. comprise of?
Cutaneous zone of lateral surface of crus
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What cutaneous zone does the Caudal cutaneous sural n. comprise of?
Cutaneous zone of caudal surface of crus
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What does the Common peroneal n.innervate?
- Cranial tibial m.
- Peroneus longus m.
- Long digital extensor m.
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Which two nerves innervate the cutaneous zone to dorsal paw?
- Superficial peroneal n.
- Deep peroneal n.
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What does the Tibial n.innervate?
- Gastrocnemius m.
- Superficial digital flexor m.
- Popliteus m.
- Deep digital flexor m.
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What is the Cranial branch of the lateral saphenous v. often used for clinically?
Venipuncture and catheter placement in the dog
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What is the Medial saphenous v.often used for clinically?
Venipuncture and catheter placement in the cat?
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What happens when the Common peroneal n.is damaged?
- Lateral extensor m., cutaneous distribution to lateral leg, damage results in
- "knuckling over"
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Superficial peroneal n.is the cutaneous distribution to what?
- Lateral aspect of crus to the fetlock
- lateral digital extensor m.
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Deep peroneal n. is the cutaneous distribution to what ?
The pes
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What does the Deep Peroneal n. divide into?
- Muscular branches that innervates cranial tibial m., long digital extensor m.
- Medial dorsal metatarsal n. that is cutaneous distribution to dorsal digit
- Lateral dorsal metatarsal n. that is cutaneous distribution to dorsal digit
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What is the parent n. to the Caudal cutaneous sural n?
Tibial n.
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Medial plantar n.is cutaneous distribution to what area?
Medioplantar metatarsal
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What does the Lateral plantar n.innervate?
- Interosseus m.
- Cutaneous distribution to lateroplantar metatarsus
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What does the Deep branch of the Lateral Plantar n. make up?
- Medial plantar metatarsal n.
- Lateral plantar metatarsal n.
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What is the parent n. to the Lateral plantar digital n.?
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