Cardio-Physio-Microcirculation & Lymphatics Flashcards Preview

ICOM-Cardio > Cardio-Physio-Microcirculation & Lymphatics > Flashcards

Flashcards in Cardio-Physio-Microcirculation & Lymphatics Deck (16)
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1
Q

What type of blood vessels are generally are found in clusters?

A

Capillairies in capillary beds

2
Q

Blood flow to tissue through capillary bed is known as?

A

tissue perfusion

3
Q

The primary role of the is to return excess interstitial fluid to the cardiovascular system after filtration through lymph nodes.

A

lymphatic system

4
Q

What are the main areas of drainage for the lymphatic system?

A

Areas of drainage served by the thoracic duct and the right lymphatic duct

5
Q

What is the role of the lymphatic system in the immune system?

A

serving in the maturation and circulation of immune cells and filtration of lymph.

6
Q

Lymphatic organs are involved in what 3 main type of duties?

A

development, storage, and function of immune cells (primarily lymphocytes) produced in the bone marrow

7
Q

Flow of blood that takes place within body’s capillary beds is collectively called?

A

microcirculation

8
Q

Flow of blood that takes place within body’s capillary beds is collectively called microcirculation; involves two types of vessels:

A
  1. True capillaries: where materials are exchanged
  2. central vessels (slightly large capillaries also called preferential or thoroughfare channels).
9
Q

What forms interweaving networks with multiple anastomoses; fed by proximal end of central vessel, which is formed by either small terminal arteriole or metarteriole?

A

True capillaries

10
Q

Each capillary-metarteriole junction contains; controls amount of blood flowing into capillaries

A

precapillary sphincter

11
Q

In the capillaries (called preferential or thoroughfare channels) the blood flow is continuous, and in the capillaries (called the true capillaries) blood flow is intermittent.

A

large; small

12
Q

At rest, what percent of body’s capillary beds are fully open?

A

25%

13
Q

walls consists only of endothelium rolled into tube and small amount of basal lamina secreted by endothelial cells.

A

Capillary

14
Q

What are cells found around some capillaries; have contractile filaments and appear to control blood flow through capillary?

A

pericytes

15
Q

Walls of most capillaries consist of 1–3 cells joined by tight junctions; curl around capillary’s entire circumference.

A

endothelial

16
Q
A