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| show | A: The anterior triangle is divided into four subdivisions: The submandibular triangle, submental triangle, carotid triangle, and the muscular triangle.
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| Q: Name the boundaries of the submandibular triangle. | show 🗑
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| show | A: The submental triangle, a subdivision of the anterior triangle, is outlined by the hyoid bone, the anterior belly of the digastric muscle, and the midline.
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| Q: Name the boundaries of the carotid triangle. | show 🗑
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| show | A: The muscular triangle, a subdivision of the anterior triangle, is outlined by the superior belly of the omohyoid muscle, the SCM, and the midline (Gray’s includes the hyoid bone as a superior border).
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| Q: What forms the floor of the submandibular triangle? | show 🗑
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| Q: Name the contents of the submandibular triangle. | show 🗑
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| show | A: About halfway up the carotid triangle.
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| Q: At the bifurcation of the common carotid artery the internal carotid arteries are dilated. What is this dilation called and what is its function? | show 🗑
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| Q: In addition to baroreceptors, what other type of receptors can be found near the bifurcation of the common carotid arteries? | show 🗑
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| Q: What is the innervation of the carotid bodies? | show 🗑
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| show | A: The carotid sheath.
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| show | A: From medial to lateral, carotid artery, vagus nerve (located posteriorly), and the jugular vein. Picture this arrangement from our dissection.
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| show | A: The ansa cervicalis can be found adhered to the outside of the carotid sheath.
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| show | A: You can find some infrahyoid muscles, the thyroid gland, and the parathyroid glands on the posterior aspect of the thyroid gland.
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| show | A: Submental lymph nodes and some small veins.
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| show | A: Submental lymph nodes.
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| Q: Define lymphadenopathy. It’s not in you notes unless you wrote it down on page 12. | show 🗑
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| Q: Dr. Kirk didn’t really talk much about the common carotid arteries but tell me about them anyway. Where do they come from? | show 🗑
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| show | A: None! The internal carotid arteries pass into the head via the carotid canal prior to branching.
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| show | A: There are three anterior branches of the external carotid artery: superior thyroid a., lingual a., and facial a.
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| Q: Name the terminal branches of the external carotid artery. | show 🗑
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| show | A: Example TQ: Which of the following is not considered an anterior branch of the external carotid artery? A. facial a. B. lingual C. superior thyroid D. occipital
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| show | A: Neither did I. I’m sure glad Dr. Kirk made this clear.
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| Q: Here are two free points on your exam: What is the first branch off the external carotid artery? | show 🗑
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| show | A: The internal jugular vein.
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| show | A: Yes! The internal jugular vein has two major bicuspid valves: one at the superior bulb (located just inferior to the jugular foramen) and the other at the inferior bulb (at the location of the brachiocephalic vein).
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| Q: Name the tributaries of the internal jugular vein. | show 🗑
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| Q: I am a prevertebral muscle that acts as a kinesiology monitors since I am full of Golgi tendon organs and chances are you will never see me because you won’t dissecting me out in lab. Who am I? | show 🗑
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| show | A: Which of the following prevertebral muscles does NOT attach to the occipital bone? Remember, colli means neck.
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| Q: Which scalene muscle is the longest and largest? | show 🗑
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| Q: Which scalene muscle(s) attaches to the first rib? | show 🗑
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| show | A: None! Scalene muscles go from TVPs to ribs.
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| show | A: I am the middle scalene, the largest and longest of the scalene muscles.
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| Q: Name the boundaries of the root of the neck. | show 🗑
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| Q: The first branch off the subclavian artery in the root of the neck is… | show 🗑
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| Q: The second branch off the subclavian artery in the root of the neck is… | show 🗑
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| Q: Name the branches of the thyrocervical trunk. | show 🗑
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| Q: What is the largest branch off the thyrocervical trunk and where does it go? | show 🗑
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| Q: Do we need to worry about the costocervical trunk or the dorsal scapular artery? | show 🗑
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| show | A: Nope! They’re valveless.
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| Q: Which veins are present in the root of the neck? | show 🗑
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| Q: I can be found within the carotid sheath and hooking up with the subclavian vein behind the medial end of the clavicle. Who am I? | show 🗑
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| show | A: Subclavian vein.
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| Q: Does the anterior jugular pass anterior or posterior to the SCM? | show 🗑
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| Q: What does the external jugular drain in to? | show 🗑
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