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Blood vessels > Vessels > Flashcards

Vessels Flashcards

1
Q

Most important types of blood vessels

A

arteries, veins, capillaries

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2
Q

what are the general structures of blood vessels

A

tunica intima, tunica media, tunica adventitia

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3
Q

it is the inner and thinnest layer of arteries and veins that consists of a single lining squamous endothelium and surrounded by a thin layer of subendothelial connective tissue

A

tunica intima

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4
Q

it is the middle layer and is made up of elastic fibers, smooth and connective tissues

A

tunica media

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5
Q

it is the outer layer of the arteries and veins

A

tunica adventitia

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6
Q

also known as tunica externa

A

tunica adventitia

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7
Q

what are the types of arteries

A

elastic, muscular artery

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8
Q

what are the types of capillaries

A

continuous, fenestrated, sinusoidal

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9
Q

what are the types of veins

A

medium, large vein

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10
Q

what are the layers of aorta

A

tunica intima, tunica media, tunica adventitia

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11
Q

this layer includes endothelium and subendothelial connective tissue

A

tunica intima

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12
Q

it is demarcated from tunica media by a poorly defined fenestrated internal elastic lamina

A

tunica intima

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13
Q

it is a circularly arranged layers made of 40 - 70 fenestrated elastic laminae

A

tunica media

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14
Q

it is the outermost-elastic lamina is thickened and called external elastic lamina

A

tunica media

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15
Q

it is composed of fibroelastic connective which carries small blood vessels or the vasa vasorum and unmyelinated sympathetic fibers

A

tunica adventitia

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16
Q

Made up of endothelium and internal elastic lamina, NO subendothelium. Internal elastic lamina is a bright refractive membrane thrown into wavy folds due to contraction of
smooth muscle in the media.

A

Tunica intima

17
Q

Composed mainly of smooth muscle cells arranged circularly (~40 layers)

A

Tunica media

18
Q

Consists elastic and a few collagen fibers intermixed with smooth muscle cells

A

Tunica media

19
Q

Inner part is composed of a more elastic than collagen fibers with external elastic lamina

A

Tunica adventitia

20
Q

Middle part is composed of collagen and elastic fibers

A

Tunica adventitia

21
Q

Outer part is made of loose CT which merges with the surrounding areolar tissue & contains
vasa vasorum and unmyelinated sympathetic nerve fibers

A

Tunica adventitia

22
Q
A

Blood vessels (1 decks)

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