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Anatomy > Vessels > Flashcards

Vessels Flashcards

0
Q

At what level does the azygous vein pass the diaphragm?

A

T12 via the aortic opening

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1
Q

At what level does the azygous vein enter the SVC ?

A

T4

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2
Q

Arch of aorta

A
  1. Second sternocostal articulation

2. T4

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3
Q

Branches of aortic arch

A
  1. Brachiocephalic
  2. Left common carotid
  3. Left subclavian
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4
Q

Descending thoracic aorta

A

T4 - T12

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5
Q

Abdominal aorta

A
  1. Enters abdomen at T12

2. Bifurcates at L4

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6
Q

Abdominal aorta is crosses anteriorly by

A
  1. Splenic vein
  2. Body of pancreas
  3. D3
  4. Left renal vein - inferior to the origin of the SMA
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7
Q

To the right of abdominal aorta

A
  1. IVC
  2. Right ureter
  3. Azygous vein
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8
Q

On the left of abdominal aorta

A
  1. Left sympathetic trunk

2. Left ureter

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9
Q

Common iliac artery

A

Usually has no branches
Origin: L4
End: in front of SIJ - (level of pelvic brim) bifurcate in to internal and external iliac artery
(Ureter passes in front of the artery at the level of the bifurcation)

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10
Q

External iliac artery

A 
Origin: bifurcation of common iliac artery at level of SIJ 
End: mid inguinal point 
Branches 
1. Inferior epigastric
2. Deep circumflex iliac
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11
Q

Internal iliac artery

A

Origin: bifurcation of common iliac artery in front of SIJ
End:
Divides in to anterior trunk and posterior trunk

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12
Q

Inferior mesenteric vein

A
  1. Drains in to splenic vein
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13
Q

Axillary artery

A
  1. Continuation of subclavian artery
  2. Commences at outer border of 1st rib
  3. Ends as lower border of tendon of teres major (brachial artery)
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14
Q

Divisions of axillary artery

A
  1. Above pectoralis minor - superior thoracic artery
  2. Behind pectoralis minor - thoraco-acromial artery, lateral thoracic artery
  3. Below pectoralis minor - subscapular artery, posterior humeral circumflex artery, anterior humeral circumflex artery
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15
Q

Common carotid artery

A

Origin: brachiocephalic trunk on the right, arch of aorta on the left
Ascends within the carotid sheath along with IJV (laterally)
End: upper border of thyroid cartilage C4
Divides under cover of SCM in to internal and external carotid artery

16
Q

External carotid artery

A

Origin: common carotid
Spirals over internal carotid to lie laterally at C2
Crossed by facial n and hypoglassal
Then enters parotid gland between superficial and deep lobes where it divides in to its terminal branches

17
Q

Terminal branches of external carotid artery

A
  1. Three branches from the front - superior thyroid, lingual, facial
  2. One deep medial branch - ascending pharyngeal
  3. Two branches from behind - occipital, posterior Auricular
  4. Two terminal branches - superficial temporal, maxillary
18
Q

Internal carotid

A

Origin: common carotid
Continues within carotid sheath to enter skull
Just above the carotid bifurcation there is a small bulge in ICA - carotid sinus - contains baroreceptors - supplied by glossopharyngeal nerve (stimulation - bradycardia and hypotension)
Behind carotid bifurcation - carotid body - chemoreceptors

19
Q

What lies anterior to left common iliac vein

A

Left common iliac artery

20
Q

What is superior to the splenic vein in the midline?

A

Coeliac trunk

21
Q

What runs a torturous course along the superior border of the pancreas

A

Splenic artery

22
Q

Origin of internal jugular vein

A

Jugular foramen as a continuation of the sigmoid sinus
Lies lateral to internal then to common carotid artery in carotid sheath
Passes behind clavicle where it joins the subclavian vein to become the brachiocephalic vein

23
Q

Subclavian vein

A

Continuation of axillary vein
Beginning at lateral border of the 1st rib
Passes anterior to scalenus anterior
The thoracic duct enters left subclavian
Subclavian vein and internal jugular vein unite to form brachiocephalic vein
Right and left brachiocephalic veins unite to form SVC

24
Q

Internal jugular vein in neck

A
  1. Lies anterior to scalenus anterior

2. Lateral to common carotid

Anatomy (28 decks)

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