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Anatomy Orientation > Introduction to Vasculature > Flashcards

Introduction to Vasculature Flashcards

1
Q

Major Components of Cardiovascular system

A

heart, blood vessels, blood

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2
Q

Fxn. Of Cardiovascular

A

Transportation (nutrients/oxygen, blood, hormones)

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3
Q

left side of the heart

A

systemic circuit - left atrium receives oxygenated blood -

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4
Q

right side of the heart

A

pump for the pulmonary circuit - right atrium receives deoxygenated blood

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5
Q

three major types of blood vessels

A
  1. arteries 2. capillaries 3. veins
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6
Q

arteries

A

carry blood AWAY from the heart - carries oxygenated blood in the systemic - carries deoxygenated blood in the pulmonary

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7
Q

capillaries

A

smallest - allow for exchange of materials

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8
Q

veins

A

carry blood TOWARDS the heart - carries oxygen poor in systemic - carries oxygenated in the pulmonary

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9
Q

3 layers of walls in blood vessels

A

tunica inerna/intima - tunica media - tunica externa

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10
Q

tunica interna

A

endothelium - basal lamina - subendothelial layer

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11
Q

tunica media

A

contains rings of smooth muscle cells responsible for vasoconstriction/dilation

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12
Q

tunica externa

A

larger vessels - contains a vasa vasorum

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13
Q

arteries thickest layer _____

A

tunica media

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14
Q

veins thickest layer

A

tunica externa

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15
Q

4 types of arteries

A

elastic/conducting - muscular /distributing- small - arterioles

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16
Q

elastic/conducting arteries

A

largest - 10mm - allows arteries to expand and recoil - propel blood

17
Q

muscluar/distributing arteries

A

2-10 mm - medium sized - smooth muscles - regulates blood flow to specific body regions

18
Q

small arteries

A

0.1mm-2mm 0 as many as 8 layers of smooth muscles

19
Q

arterioles

A

smallest diameter artery - only one or two layers of smooth in the tunica media

20
Q

four types of veins

A

venule - small veins - medium veins - large veins

21
Q

two types of venules

A

postcapillary & muscular

Anatomy Orientation (10 decks)

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