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Anatomy > Vasculature of Head and Neck Powerpoint > Flashcards

Vasculature of Head and Neck Powerpoint Flashcards

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1
Q

Right and left common carotid arteries

A

Derived from: Right from brachiocephalic trunk and left from aortic arch
Travel superiorally into the anterior triangle of the neck ending at the 4th cervical vertebra
Empty into: Internal and external carotid arteries

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2
Q

Carotid sinus

A

Thickened region at the terminal part of the common carotid artery or beginning of internal carotid artery, functions to regulate BP and pulse, has thin tunica media but thick tunica adventitia and has nerve endings to send afferent signals from glossopharyngeal nerve

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3
Q

External carotid artery

A

Derived from: common carotid arteries
Travels superiorally at the upper boarder of the thyroid cartilage and gives rise to superior thyroid artery, ascending pharyngeal artery, facial artery, occipital artery, posterior auricular artery, lingual artery
Empties into: superficial temporal and maxillary arteries at the parotid gland

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4
Q

Superior thyroid artery

A

Derived from: 1st branch off external carotid artery

Travels inferiorally toward the upper pole of the thyroid gland

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5
Q

Ascending pharyngeal artery

A

Derived from: 2nd branch off external carotid artery

Travels superior and deep on the wall of the pharynx

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6
Q

Lingual artery

A

Derived from: 3rd branch of external carotid artery
Travels superiorally into the submandibular region to supply structures of the floor of the mouth and tongue with hypoglossal nerve crossing it

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7
Q

Facial artery

A

Derived from: 4th branch of external carotid artery

Travels upward deep to the submandibular salivary gland to supply the face

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8
Q

Occipital artery

A

Derived from: 5th branch of external carotid artery
Travels from posterior face opposite facial artery, upward reaching the back of the scalp by entering the posterior triangle of the neck

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9
Q

Posterior auricular artery

A

Derived from: 6th branch of external carotid artery

Travels from the upper border of the posterior belly of digastric to enter a groove between auricle and back of scalp

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10
Q

Maxillary artery

A

Derived from: terminal branch of external carotid artery

Travels from the parotid gland anteriorally

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11
Q

Superficial temporal artery

A

Derived from: terminal branch of external carotid artery

Travels from parotid gland superiorally along the temporal bone

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12
Q

Inferior thyroid artery

A

Derived from: thyrocervical trunk artery

Travels superiorally behind the thyroid to supply it

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13
Q

Thyroid ima artery

A

Derived from: brachiocephalic trunk (right) or aortic arch (left)
Travels superioraly in front of the trachea to supply the isthmus, some have it some do not!!!

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14
Q

Acronym for branches of external carotid

A

sally anne likes food on philadelphias main street

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15
Q

Supratrochlear artery

A

Derived from: opthalmic artery

Travels medial superiorally from the orbit over the forehead

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16
Q

Supraorbital artery

A

Derived from: opthalic artery

travels superiorally from orbit over the forehead

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17
Q

Internal carotid artery

A

Derived from: common carotid artery
Travels superiorally entering the carotid canal (giving off NO branches in the neck) within the carotid sheath, gives rise to opthalmic artery near termination
Empties into: anterior cerebral artery, middle cerebral artery, and posterior communicating artery

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18
Q

Carotid sheath

A

Bundle of nerve and vessels entering the carotid canal in the temporal bone, includes internal jugular vein, vagus nerve, and internal carotid artery

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19
Q

Vertebral artery

A

Derived from: 1st branch of subclavian artery
Travels superiorally in front of the 7th cervical vertebra and into the cervical foramen at c6, travels thru foramen magnum
Empties into basilar artery

20
Q

Basilar artery

A

Derived from: Left and right vertebral arteries
Travels on the anterior surface of the pons, supplying cerebellum, internal ear
Empties into right and left posterior cerebral arteries

21
Q

Posterior cerebral artery

A

Derived from: basilar artery

Travels to supply the posterior cerebrum, giving off posterior communicating artery branches on each side

22
Q

Opthalmic artery

A

Derived from: Internal carotid artery
Travels anteriorally to supply the orbit
Empties into supraorbital and supratrochlear arteries

23
Q

Posterior communicating arteries

A

Derived from: posterior cerebral arteries
Travels to connect the internal carotid with the posterior cerebral
Empties into internal carotid artery

24
Q

Middle cerebral artery

A

Derived from: Internal carotid artery

Travels to supply the lateral cerebrum

25
Q

Anterior cerebral artery

A

Derived from: internal carotid artery

Travels to supply the anterior cerebrum, has branch of anterior communicating artery

26
Q

Anterior communicating artery

A

Connects left and right anterior cerebral arteries

27
Q

Saccular/berry aneurysms

A

Weakening of an arterial wall to create a bulge that is asymptomatic but may be at risk for rupture, associated with many congenital diseases including PKD and coartation of aorta, risk factors include smoking, hypertension and hypercholesterolemia

28
Q

Most likely place for berry aneurysms to occur in the brain

A

Anterior or posterior communicating artery, bifurcation of middle cerebral artery from internal carotid

29
Q

Hematoma

A

Pooling of blood outside of vessel, sometimes caused by the rupturing of an aneurysm

30
Q

Choroidal artery

A

Derived from: middle cerebral artery

Travels posteriorally to the inferior horn of the lateral ventricle to supply the choroid plexus

31
Q

Posterior auricular vein

A

Travels in the posterior auricular groove
empties into the external jugular vein aat the parotid gland after combining with posterior division of retromandibular gland

32
Q

Posterior division of retromandibular vein

A

Derived from: superficial temporal vein and maxillary vein
Travels inferiorally down the temporal bone in front of the ear
Empties into the external jugular vein at the parotid gland after combining with the posterior auricular vein

33
Q

External jugular vein

A

Derived from: posterior auricular vein and posterior division of retromandibular vein
Travels from the parotid gland behind the angle of the mandible obliquely across sternocleidomstatoid into the posterior triangle
Empties into the subclavian vein

34
Q

Supratrochlear and supraorbital veins

A

Travel to the medial margin of the orbit

Empty into: the facial vein

35
Q

Superficial temporal vein

A

Travels inferiorally down the temporal area

Empties into the posterior division retromandibular vein at the parotid gland

36
Q

Maxillary vein

A

Travels inferiorally from the maxilla of the face

Empties into the posterior division of retromandibular vein at the parotid gland

37
Q

Internal jugular vein tributaries from inferior to superior

A 
Middle thyroid vein
Superior thyroid vein
Lingual vein
Facial vein
Pharyngeal vein
Inferior petrosal sinus
38
Q

Internal jugular vein pneumonic

A

Med schools let fun people in

39
Q

Internal jugular vein

A

Derived from: sigmoid sinus
Travels thru jugular foramen descending through neck in carotid shealth, receiving 6 tributaries
Empties into brachiocephalic vein

40
Q

Inferior thyroid veins

A

Travel from isthmus of thyroid, anastamose together, descend in front of trachea
Empty into brachiocephalic veins of thorax

41
Q

Veins of the brain lack ____. They lie in the ____

A

valves, subarachnoid space

42
Q

Anterior jugular vein

A

Travels down the neck close to midline, united by a jugular arch
Empties into the external jugular vein

43
Q

Subarachnoid hemorrhage

A

Cause of 5-10% of strokes, onset is sudden headache with severity never previously experienced, followed byimpairment of consciousness and eventual coma and death, as well as nuchal rigidity and other signs of meningeal irritation

44
Q

Preferred method of screening to confirm a subarachnoid hemorrhage, back up if results inconclusive?

A

CT scan, if negative spinal tap,

45
Q

Epidural hemorrhage

A

Tear in meningeal artery, vein, or dural sinus leading to hematoma visible on CT scan, leading to headache, cofusion, seizures, respiratory depression, and death

46
Q

Acute subdural hematoma

A

Hematoma rom tear in veins from cortex to superior sagital sinus from cerebral laceration, onset of symptoms is longer

Anatomy (33 decks)

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