Anatomy of the external carotid Flashcards

1
Q

Where do the left and right common carotids originate from

A

left originates from the arch of the aorta directly

right originates from the brachiocephalic trunk

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2
Q

at which level does the common carotid bifurcate into the internal and external

A

C3/C4

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3
Q

what is the course of the external carotid artery

A
  • originates the upper border of the thyroid cartilage
  • ascends between the mastoid process of the temporal bone and mandible
  • within the parotid gland divides into its terminal branches
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4
Q

name the 8 branches of the external carotids from inferior to superior

  1. Some
  2. Anatomists
  3. Like
  4. Freaking
  5. Out
  6. Poor
  7. Medical
  8. Students
A
  1. Superficial temporal artery
  2. Maxillary artery
  3. Posterior auricular artery
  4. Occipital artery
  5. Facial artery
  6. Lingual artery
  7. Ascending pharyngeal artery
  8. Superior thyroid artery
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5
Q

Which branch of ECA is the superior thyroid artery

what does it supply

what branches does it have

A

1st branch of the ECA

supplies the thyroid gland

branches: 2- superior laryngeal & glandular branches

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6
Q

Which branch of the ECA is the ascending pharyngeal artery

what does it supply

A

2nd branch

supplies:

  1. muscles of pharynx
  2. tympanic cavity
  3. meninges
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7
Q

which branch of the ECA is the lingual artery

its branches are

A

3rd branch

  • dorsal lingual
  • sublingual
  • deep lingual
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8
Q

which branch of the ECA is the facial artery

has a characteristic what appearance

course

branches (5)

A

4th branch

characteristic tortuous appearance

passes deep to the submandibular gland and crosses the body of the mandible

branches of the facial artery

  1. ​ascending palatine
  2. tonsillar arteries
  3. inferior labial
  4. superior labial
  5. angular arteries (bridge of the nose)
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9
Q

which branch of the ECA is the occipital artery

what does it supply

A

5th

occipitalis muscle

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10
Q

which artery of the ECA is the posterior auricular

what does it supply

A

6th

branches supply:

sternocleidomastoid

stylohyoid

partoid gland

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11
Q

which number branch of the ECA is the maxillary artery

what does it supply

A

7th branch

  • lower jaw
  • muscles of mastication
  • nose + upper jaw
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12
Q

which number branch of the ECA is the superficial temporal artery

what does it supply

A

8th

supplies bucciator

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