Vascular Supply (arteries & superficial veins) Flashcards

1
Q

What travels parallel to arteries?

A

deep veins

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2
Q

Where do deep iliac veins drain into?

A

Inf. vena cava

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3
Q

What does the aorta split into when going to separate lower limbs?

A

Common iliac a./v. (2)

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4
Q

What does the common iliac a. split into?

A

**External iliac a./v.
Internal iliac a./v.
and other arteries

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5
Q

Where does the Inguinal ligament extend?

A

ASIS to public tubercle

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6
Q

What does the external iliac artery (and its distal branches) supply?

A

Entire free lower limb

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7
Q

What do the branches of the internal iliac artery supply?

A

Hip
Gluteal region
Medial thigh region

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8
Q

Name changes of main blood supply vessel as travels down thigh?
Where are demarcations/landmarks?

A

Aorta
Common iliac a./v/
(just above sacrum)
External iliac a./v.
(at sacrum)
Femoral a./v.
(inf. to inguinal lig.)
Popliteal a./v.
(post. to knee)

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9
Q

Where does external iliac a. / Femoral a. pass relative to inguinal ligament?

A

Post. to inguinal lig. (deep)
(Through)

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10
Q

Where does Popliteal a./v. pass through before it can travel post. to knee?

A

Adductor hiatus

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11
Q

What superficial vein runs vertically post. to leg?

A

Small saphenous vein

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12
Q

Where does small saphenous vein drain into?
Where is this vein located?

A

Popliteal vein
Popliteal opening (Post. to knee)

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13
Q

What is the arch that links the great and small saphenous veins in the foot?

A

Dorsal venous arch

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14
Q

What superficial vein runs along the medial leg, knee, and thigh?

A

Great saphenous vein

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15
Q

Where does great saphenous vein drain into?
Through where? Why?

A

Femoral vein
Saphenous opening in deep fascia (sup. lat. to genitalia)
Since vein is superficial to fascia lata

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16
Q

CLIN. CORR.
What happens to the valves of veins with time?
Result?
Name of these dysfunctional veins?

A

Valves become less efficient/incompetent = abnormal blood flow
Blood pools in veins = dilate them
Varicose veins

17
Q

Function of valves in veins?
Common in lower limb?

A

Prevent backflow
Yes

18
Q

At what spinal level does aorta split into 2 common iliac a.s?

A

L4

19
Q

At what spinal level does the aorta pierce the diaphragm?

A

T12

20
Q

What is the longest vein in the body?

A

Great saphenous vein

21
Q

CLIN. CORR.
In the case of pediatric or obese patients what vein is hard to access?
Solution?

A

Great saphenous vein
Use dorsal venous arch

22
Q

Why are there valves in veins and not in arteries?

A

Artery flow downwards
Vein flow upwards (against gravity) and long distance
W/o valves, blood would pool in legs