Term
| What are the two main classes of arteries that supply the head and neck? |
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Definition
1. Carotid arteries
2. Vertebral arteries |
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Term
| What artery ascends in the neck, with the internal jugular vein and venous nerve? |
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Definition
| The common carotid artery |
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Term
| What is the carotid sheath? |
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Definition
| The sheath housing the common carotid, as well as the internal jugular and vaguns nerve |
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Term
| What arteries does the common carotid bifurcate into? |
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Definition
1. External carotid
2. Internal carotid |
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Term
| At what level does this bifurcation occur? |
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Definition
| At the same level as the top of the thyroid cartilage |
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Term
| Name the 7 branches of the external carotid |
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Definition
1. Superior thyroid
2. Lingual
3. Facial
4. Occipital
5. Posterior auricular
6. Maxillary
7. Superficial temporal |
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Term
| What is the fate of the internal carotid artery? |
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Definition
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Term
| Through what structure does it enter the skull? |
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Definition
|
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Term
| What is the carotid siphon? |
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Definition
| The sharp turns that the internal carotid takes |
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Term
|
Definition
| Either side of the pituitary gland |
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|
Term
| Where does the distal end f the carotid siphon run through? |
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Definition
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Term
| (T/F) The vertebral arteries are paired |
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Definition
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Term
| Describe the route of the vertebral arteries into the skull |
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Definition
| Travel up the transverse foramina (of the vert) |
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|
Term
| How do they enter the skull? |
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Definition
|
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Term
| (T/F) The vertebral arteries give off branches in the neck that are not muscular |
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Definition
| False, they are irregularly muscular |
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Term
| What is the main source of drainage of the brain? What structure does this structure drain into? |
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Definition
| Dural venous sinuses; they all eventually drain into the internal jugular vein |
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|
Term
| Name the 8 sinuses in the brain |
|
Definition
1. Superior sagittal
2. Inferior sagittal
3. Straight
4. Transverse (2x)
5. Sigmoid (2x)
6. Cavernous (2x)
7. Superior petrosal (2x)
8. Inferior petrosal (2x) |
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Term
| Where does the superior sagittal meet the straight sinus? |
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Definition
| At the confluence at the center of the occipital bone |
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|
Term
| What is the function of the straight sinus? |
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Definition
| To drain the inferior sagittal |
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|
Term
| What is the function of the transverse sinuses? |
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Definition
| Take the blood to sigmoid sinuses from the occipital confluence |
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|
Term
| Where do the sigmoid veins drain into? |
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Definition
| Drain into the jugular veins |
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|
Term
| Where do the cavernous sinuses drain into? |
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Definition
| The superior and inferior petrosal sinuses |
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|
Term
| Where do the superior petrosals drain? |
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Definition
|
|
Term
| Where do the inferior petrosals drain? |
|
Definition
| Directly into the jugular vein |
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|
Term
| (T/F) The veins of the face form a 'w' |
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Definition
|
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Term
| What are the 3 main arteries of the face? |
|
Definition
1. Retromandibular
2. Facial
3. Posterior auricular |
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|
Term
| What vessels does the retromandibular vein bifurcate to drain into? |
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Definition
| Bifurcates to drain into the internal and external jugular veins |
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Term
| Where does the facial vein drain into? |
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Definition
|
|
Term
| Where does the posterior auricular vein drain into? |
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Definition
|
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Term
| Name the nerve that receives sensory information from the face |
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Definition
|
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Term
| What areas does the opthalamic branch innervate? |
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Definition
|
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Term
| What areas does the maxillary branch innervate? |
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Definition
|
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Term
| What areas does the mandibular branch innervate? |
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Definition
| Skin on the jaw and lateral cheek |
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|
Term
| What nerves innervate the anterior neck and posterior area behind the ear? |
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Definition
|
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Term
| What nerves innervate the side and back of neck, and back of the head? |
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Definition
|
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Term
| What nerve innervates the muscles of the face? How does it do this? |
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Definition
| CN VII - sends out many branches from the area surrounding the parotid glad |
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