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APK 2100C > Chapter 20- Blood Vessels > Flashcards

Chapter 20- Blood Vessels Flashcards

1
Q

Lumen is oval in___?

A

Veins

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2
Q

Tunica Externa/Tunica Media Sizes?

A

Externa bigger in veins (elastic)

Media bigger in arteries (meaty)

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3
Q

Tunica Intima made of?

A

One layer of endothelial cells + elastic lamina

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4
Q

Tunica media made of?

A

Smooth muscle tissue (circular), can vasodilate or vasoconstrict

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5
Q

Tunica Externa made of?

A

Connective tissue that protects and holds in place

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6
Q

Types of vessels

A

Arteries, veins, capillaries

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7
Q

Arteries

A

carry blood away from heart

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8
Q

Types of Arteries

A

Elastic, Muscular, Arteriole

Elastic-> Muscular-> Arteriole

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9
Q

Capillaries are ____ epithelial cells surrounded by_____.

A

One-cell thick, basement membrane

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10
Q

Metaarteriole

A

Big channel through middle of capillary from artery

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11
Q

Thoroughfare channel

A

Big channel through middle of capillary to vein

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12
Q

True capillaries

A

The actual capillary network that is not surrounded by precapillary sphincters

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13
Q

Precapillary sphincter

A

smooth muscle ring to stop blood flow in capillary

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14
Q

Walls of capillaries are permeable because of

A

Intercellular clefts and fenestrations

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15
Q

Types of capillaries

A

Continuous capillaries - intercellular cleft only (most common)
Fenestrated capillaries - intercellular cleft + fenestrations (kidney and small intestine)
Sinusoidal capillaries - Larger intercellular clefts and fenestrations (bone marrow and spleen)

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16
Q

Veins

A

bring blood to heart

17
Q

% blood in venous circ at any point?

A

65%

18
Q

Veins stop backflow by:

A

Valves (found mostly in limbs

Skeletal Muscle pump

19
Q

Arterial Blood flow in aorta

A

Aorta-> Left Subclavian/Left common carotid/ Right brachiocephalic
Left common carotid -> External carotid/ internal carotid
Right brachiocephalic-> Right common carotid/right subclavian
Right common carotid-> External carotid/ Internal carotid

20
Q

Arteries of brain

A

Anterior Cerebral artery near olfactory nerve
Middle cerebral artery underneath temporal lobe
Internal carotid cut but turns into middle cerebral artery
Posterior communicating artery forms the dorsal half of circle of menle
Posterior cerebral artery underneath cerebellum
R. Vertebral artery, L. vertebral artery comes along midbrain
Basilar artery is formed by R. Vertebral and L. Vertebral

21
Q

Brachial arteries

A

Subclavian ->axillary-> Brachial-> Radial/Ulnar

22
Q

Renal Arteries

A

Internal iliac/external iliac-> common iliac -> Aorta (which has branches, inferior mesenteric, superior mesenteric, celiac trunk (common hepatic, left gastric, splenic), Renal Arteries, Gonadal Arteries)

23
Q

Celiac Trunk Artery (of the Abdominal Aorta)

A

Common hepatic artery-> liver(right)
Left Gastric artery-> lesser curve of stomach (top)
Splenic Artery-> spleen/greater curve of stomach (left)

24
Q

Iliac Arteries

A

Common Iliac Artery-> Internal Iliac artery/External Iliac Artery-> External iliac Artery turns into femoral Artery past inguinal ligament
Femoral artery -> popliteal artery -> anterior tibial artery/posterior tibial artery/Peroneal Artery(Fibular artery)-> Lateral Plantar artery/ Medial Plantar artery

25
Q

Leg Veins

A

Femoral Vein -> Great Saphenous/Popliteal-> Anterior Tibial/Posterior Tibial/Peroneal (fibular)/Small Saphenous-> Lateral Plantar/Medial Plantar (from Posterior tibial vein)

26
Q

Inferior Vena Cava Branches

A

Hepatic veins
Renal Vein (has left gonadal vein)
Right gonadal vein located on IVC
Common Iliac vein-> external iliac/ internal iliac

27
Q

Hepatic Portal Circulation

A

Arterial Blood -> capillary bed in stomach/intestine -> hepatic portal vein -> capillary bed in liver -> hepatic vein -> inferior vena cava
Superior Mesenteric Vein -> Hepatic Portal Vein
Inferior Mesenteric Vein -> Splenic Vein ->Hepatic Portal Vein

28
Q

Brachial Veins

A

Subclavian vein -> Axillary/Cephalic-> Brachial/Basilic (from axillary)-> Radial/Ulnar(from Brachial vein)
Median cubital vein connects cephalic and basilic vein at elbow

29
Q

Cephalic Veins

A

Brachiocephalic vein -> Internal Jugular/Subclavian -> External jugular/ Vertebral (from Subclavian vein)

30
Q

Venous sinuses of brain

A

Superior Sagittal sinus (Top of Skull)
Inferior Sagittal Sinus (corpus callosum)
cavernous sinus (base of brain ventral to transverse)
Transverse sinus (Base of skull)
Internal jugular leads into transverse and cavernous

31
Q

Superior Vena Cava and its branches

A

Right internal jugular vein/Right Subclavian Vein -> Right Brachiocephalic vein
Left IJ, Left Subclavian -> Left Brachiocephalic Vein
The two brachiocephalics form SVC

APK 2100C (10 decks)

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