Spinal Nerves, Dermatomes, and Cranial Nerves Handout for Cranial Nerves.
A215 Lab - Indiana University · A215 Lab Nervous: Cranial Nerves; Circulatory: Vessels-1 6(III.A);...
Transcript of A215 Lab - Indiana University · A215 Lab Nervous: Cranial Nerves; Circulatory: Vessels-1 6(III.A);...
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A215 Lab
Nervous: Cranial Nerves; Circulatory: Vessels-1
6(III.A); 7(I, III)
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Cranial Nerves • 12 pairs (11 you need to identify) • PNS vs. CNS? • Can be sensory, motor, or both! • OOOTTAFVGVAH (ant. to post.)
– Oh once one takes the anatomy final very good vacations (are) heavenly!
• Named for where they travel to • CN II is not a true peripheral nerve (PNS)
but a tract of the diencephalon, so technically it is a CNS structure
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Circulatory Vessels • 2 circuits: pulmonary and systemic
– Pulmonary powered by right side of the heart, systemic by left side of the heart
• Arteries – Carry blood away from the heart – muscular, round
• Veins – Return blood to heart – thin, collapsed
“Arteries = Away”!
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Pulmonary veins = oxygenated blood!
pulmonary arteries = deoxygenated blood…!
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Only need to specify right vs. left when asymmetry!!
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If you know regions, you know deep vessels!!
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• Arterial – Circle of Willis
• series of arteries – Basilar Artery (1) – Vertebral Arteries (2)
• Venous – Dural Venous Sinuses
Cranial blood supply
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All arteries have paired veins! Superficial veins do not pair!
Subclavianaxillary at 1st rib, axillary !brachial at teres major muscle!
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Activity/Self Quiz! • DRAW OUT circulation!
– Start by learning flow on torso models, donors, and leg/arm models
– Start sketch of circulatory system at the heart (aortic arch), then draw out flow into extremities
– Doesn’t have to be pretty
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