BIO 211 Artery Anatomy Lab SP2021

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York Technical College *

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Biology

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Apr 3, 2024

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BIO 211 ARTERY ANATOMY LAB VIA VISIBLE BODY : Labeling and Questions: 0.72 points for each correct label and question answer 1. Open the Visible Body Website. 2. On the left-hand menu, click on My Apps. 3. Click on the Anatomy and Physiology App. 4. In the left-hand menu click “27-30 Circulatory System”. 5. Click “30: Blood Vessels and circulation”. 6. Scroll to “Section 30.18 Superficial Arteries of the Head and Neck”. 7. In the Left hand menu, click “Common Carotid”. Click the “book icon”. Answer the following questions: 7a. What structures do these arteries supply? The head and neck 7b. Where does the Left Common Carotid originate from? The second branch of the aortic arch 7c. Where does the Right Common Carotid originate from? The brachiocephalic trunk 7d. What two arteries do the Common Carotids branch/turn into? External Carotids 8. Click on “External Carotid”. Click the “book icon”. Answer the following question: 8a. What structures do the external carotid arteries supply? Skull
9. Identify the above arteries in the picture below. Be sure to also include if the arrow points to the Left or Right of a given artery. 1. External carotid 3. Common carotid right 2. Common carotid left
10. In the upper-right hand menu click “Menu”. Click “Section 30.19 Deep Arteries of the Head and Neck”. 11. Click “Internal Carotid” in the left menu. Click the “book icon”. Answer the following question. 11a. List the structures that the internal carotid arteries supply. - Skull - Brain - Pituitary gland - Eyes - Forehead - Nose 12. Identify the internal carotid arteries in the picture below. 4. Internal carotid 5. Internal carotid
13. In the upper-right hand menu click “Menu”. Click “Section 30.20 Circle of Willis I”. 14. Click “Circle of Willis” in the left-hand menu. Open the “book icon”. Answer the following questions. 14a. What IS the “Circle of Willis”? Anastomosis at the base of the brain 14b. What does it surround? Pituitary gland and optic chasm 14c. Look up the term “anastomosis”. Define it. It’s a cross connection between adjacent channels, tubes, fibers, or other parts of a network. 14d. List the five arteries that make up the Circle of Willis. 1. Basilar 2. Posterior cerebral 3. Posterior communicating 4. Middle cerebral 5. Anterior cerebral
15. In the upper-right hand menu click “Menu”. Click “Section 30.21 Circle of Willis II”. 16. Using the menu on the left and/or the diagram below, identify the cerebral arteries. 6. Anterior cerebral RIGHT 7. Middle cerebral Right 8. Posterior Cerebral Right 9. Anterior cerebral LEFT 10. Middle Cerebral Left 11. Posterior Cerebral LEFT
17. In the upper-right hand menu click “Menu”. Click “Section 30.22 Circle of Willis III”. 18. In the left-hand menu click “Anterior Communicating Arteries” to identify both the left and right anterior communicating arteries. Answer the following question. 18a. The anterior communicating arteries join the left and right segments of which artery? Anterior Cerebral arteries 19. In the left-hand menu click “Posterior Communicating Arteries” to identify both the left and right posterior communicating arteries. Answer the following question. 19a. The posterior communicating arteries join which SINGLE artery with the junction of which TWO arteries? (Click on the nearby arteries if you cannot tell). Internal Carotid artery 20. In the left-hand menu click “Basilar Artery” to identify the left and right of this artery. Click the “book icon”. Answer the following questions. 20a. The basilar artery is formed FROM the joining of which two arteries? The two vertebral arteries 20b. The basilar artery FORMS which two arteries? The posterior cerebral arteries 20c. What specific structure of the brain does the basilar artery cover? The brainstem 20d. The branches radiating left and right from the basilar artery are the which arteries? Hint: If you have number 20c correct, this answer should make sense. The vertebral artery branches
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