Lab 10: Review
Review Videos
Dog carotid sheath and cervical nerves – 6 min
Cat cervical nerves – 6 min
Neck nerves – 6 min
Dog thorax nerves – 10 min, stop at 24 min
Goat thorax nerves – 3 min, stop at 12:15
Pig thorax nerves – 5 min, stop at 25:30
Dog abdominal nerves – 3 min, watch until 4 min
Cat thorax and abdomen nerves – watch until 17 min
Dog abdominal nerves – watch until 7 min
Dog thoracic limb nerves – 10 min. Watch until 21 min.
Cat thoracic limb autonomous zones – 1 min
Horse TL nerves (cadaver) – Watch until 9 min
Calf TL nerves (cadaver) – 5 min
Goat TL nerves (cadaver) – Watch until 4:20
Pig TL nerves (cadaver) – 3 min
Horse distal thoracic limb nerve distribution (drawing) – 6 min
Dog Pelvic Limb Nerves (with some FYI vessels) – Watch until 11:15
Dog pelvic limb nerves – 12 min, after switching to the medial side, jump to 12:10 to hear 1 min about the nerves
Horse pelvic limb nerves, wire model – 15 minutes
Horse pelvic limb nerves, cadaver – 17 minutes
Horse distal pelvic limb nerve distribution and nerve blocks – 25 min
Goat pelvic limb nerves – 5 min
Calf pelvic limb nerves – 4 min, watch until 24 min
Pig pelvic limb nerves – 4 min (mostly discusses arteries)
Dog spinal cord – 7 min
Carnivore spinal cord – 27 min
Terms
Lab 1
Term | Species |
Cervical spinal nerve 2 (C2) | Carnivore |
Great auricular n. | Carnivore; innervates skin on caudal surface of ear |
Cervical spinal nerves 3-5 (C3-5) | Carnivore |
Accessory n. (CN XI) | All; innervates trapezius, omotransversarius, sternocephalicus, and cleidocephalicus mm. |
Carotid sheath | All; know contents |
Vagosympathetic trunk | All |
Vagus n. (CN X) | Carries parasympathetic fibers from brain |
Sympathetic trunk | Carries sympathetic fibers |
Common carotid a. | All |
Internal jugular v. | Identify in the Pig; Otherwise, know that it is included in the contents of the carotid sheath in other species, but don’t identify in species other than pig |
Tracheal trunk | Lymphatic vessel; know that it is included in the contents of the carotid sheath, but don’t identify |
Intercostal a./v./n. | All |
Lab 2
Nerves of the Thoracic Cavity |
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Features | Species |
Vagus n. | All |
Left recurrent laryngeal n. | All; courses cranially to innervate cricoarytenoideus dorsalis (CAD) m. |
Cricoarytenoideus dorsalis (CAD) m. | Understand innervation, don’t identify |
Right recurrent laryngeal n. | Horse; Understand course, but don’t identify in the carnivore or artiodactyl |
Dorsal and ventral brr. | Carnivores |
Dorsal vagal trunk | All; combination of left and right dorsal brr. of vagus nn. |
Ventral vagal trunk | All; combination of left and right ventral brr. of vagus nn. |
Phrenic n. | All; innervates diaphragm |
Diagphragm m. | All |
Sympathetic trunk | Carnivores |
Ramus communicans | Carnivores; connects sympathetic trunk ganglion to spinal nerve |
Sympathetic trunk ganglion | Carnivores |
Cervicothoracic ganglion | Carnivores |
Vertebral n. | Carnivores; courses cranially from cervicothoracic ganglion |
Middle cervical ganglion | Carnivore |
Ansa subclavia | Carnivore |
Subclavian artery | Ansa subclavia loops around subclavian a. |
Lab 3
Nervous Structure | Species |
External abdominal oblique m. | Carnivore |
Internal abdominal oblique m. | Carnivore |
Transversus abdominus m. | Carnivore |
Nerves of the abdominal wall | See below |
Cutaneous brr. of T13-L3 | All |
Lateral cutaneous femoral n. | All |
Dorsal vagal trunk | Carnivore; understand that it passes through the esophageal hiatus, don’t identify in abdomen |
Ventral vagal trunk | Carnivore; understand that it passes through the esophageal hiatus, don’t identify in abdomen |
Lumbar sympathetic trunk | Carnivore |
Major splanchnic n. | Carnivore |
Celiacomesenteric ganglion and plexus | Carnivore |
Caudal mesenteric ganglion and plexus | Carnivore |
Left and right hypogastric nn. | Carnivore |
Lab 4
Terms | Species | Muscle(s) Innervated/Notes |
Brachial plexus | All | Roots includes C6, C7, C8, T1, T2 |
Cranial pectoral nn. | Know innervation, don’t identify |
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Caudal pectoral nn. | Know innervation, don’t identify |
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Thoracodorsal n. | Carnivore |
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Lateral thoracic n. | Carnivore |
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Long thoracic n. | All |
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Suprascapular n. | All |
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Subscapular n. | All |
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Axillary n. | All |
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Musculocutaneous n. | All |
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Medial cutaneous antebrachial n. | (Understand, don’t identify) | Cutaneous (sensory) innervation of medial arm |
Radial n. | All |
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Deep branch | All | |
Superficial branch | All | |
Lateral cutaneous antebrachial n. | Carnivore (Understand, don’t identify) | Cutaneous (sensory) innervation of lateral arm |
Median n. | All |
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Ulnar n. | All |
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Caudal cutaneous antebrachial n. | Carnivore (Understand, don’t identify) | Cutaneous (sensory) innervation of caudal arm |
Autonomous zones of the manus | Understand in the carnivore | Radial n. or ulnar n. |
Dorsal/palmar common digital nn. (I-IV) | Understand on model or skeleton, do not identify in cadaver | |
Dorsal/palmar axial/abaxial proper digital nn. (I-V) | Understand on model or skeleton, do not identify in cadaver |
Lab 5
Terms from this ungulate dissection lab may be duplicates from lab 4.
Terms | Species |
Radial n. | All |
Musculocutaneous n. | All |
Median n. | All |
Ulnar n. | All |
Medial palmar n. | Horse |
Carpal canal (i.e., Flexor canal of the carpus) | Horse |
Lateral palmar n. | Horse |
Communicating branch | Horse |
Deep branch of lateral palmar n. | Horse |
Medial and lateral palmar metacarpal nn. | Horse |
Medial and lateral palmar digital nn. | Horse |
Suspensory ligament | Horse; ox |
Lab 6
Terms | Species | Muscle(s) Innervated/Notes |
Lumbosacral plexus | All | |
Caudal gluteal n. | All |
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Cranial gluteal n. | All |
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Caudal cutaneous femoral n. | Carnivore | |
Sciatic n. | All |
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Caudal cutaneous sural n. |
Carnivore | Innervates skin of the caudal crus |
Lateral cutaneous sural n. |
Carnivore | Passes through the deep surface of the biceps femoris m.; innervates skin of lateral crus |
Common fibular n. | All |
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Tibial n. | All |
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Obturator n. | All |
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Femoral n. | All |
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Saphenous n. | All | |
Femoral triangle |
All | Borders = abdominal body wall, sartorius m., and pectineus m.; Femoral artery and vein, and saphenous nerve pass through femoral triangle |
Autonomous zones of pes | Carnivore | Tibial n. and common fibular n. |
Lab 7
Terms from this ungulate dissection lab may be duplicates from lab 6.
Terms | Species |
Caudal gluteal n. | All |
Cranial gluteal n. | All |
Caudal cutaneous femoral n. | All |
Sciatic n. | All |
Common fibular n. | All |
Superficial and deep fibular nn. | All |
Tibial n. | All |
Obturator n. | All |
Femoral n. | All |
Saphenous n. | All |
Medial and lateral plantar nn. | Horse |
Communicating branch | Horse |
Deep branch of lateral plantar n. | Horse |
Medial and lateral plantar metatarsal nn. | Horse |
Medial and lateral plantar digital nn. | Horse |
Lab 8
Terms | Species |
Vertebral foramen | All |
Vertebral canal | All; combination of vertebral foramina in articulated vertebral column through which passes the spinal cord |
Intervertebral foramen | All; foramen for spinal nerves to pass through to and from the spinal cord |
Spinal cord segments | Understand, don’t identify |
Cervical intumescence C6-T2 | Carnivore; enlargement of spinal cord related to brachial plexus |
Lumbar intumescence L4-S3 | Carnivore; enlargement of spinal cord related to lumbosacral plexus |
Conus medullaris | Carnivore; tapered caudal end of spinal cord |
Cauda equina | Carnivore; bundle of nerve roots at the caudal end of the spinal cord resembling “horse’s tail” |
Spinal nerves | Carnivore |
Dorsal/ventral rootlets | Identify on models |
Spinal ganglion (i.e., Dorsal root ganglion) | Identify on models |
Dorsal atlanto-occipital membrane | Calf |
Epidural space | Carnivore; calf |
Dura mater | Carnivore; calf |
Arachnoid membrane | Identify on models |
Subarachnoid space | Carnivore |
Cerebrospinal fluid (CSF) | Know that it flows through the subarachnoid space |
Pia mater | Carnivore, also identify on models |
White matter | Carnivore; Also be prepared to identify on models |
Dorsal funiculus | Identify on models/slides |
Lateral funiculus | Identify on models/slides |
Ventral funiculus | Identify on models/slides |
Grey matter | Carnivore; Also be prepared to identify on models |
Dorsal horn | Identify on models/slides |
Lateral horn | Identify on models/slides |
Ventral horn | Identify on models/slides |
Central canal | Identify on models/slides |
Ascending tract | Understand, don’t identify |
Descending tract | Understand, don’t identify |