Cardiovascular System Flashcards Preview

Year 1 NSF > Cardiovascular System > Flashcards

Flashcards in Cardiovascular System Deck (207)
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1

What are the boundaries of the thorax cranially, dorsally, laterally, ventrally snd caudally?

Cranial- thoraxic inlet
Dorsally- thoracic vertebrae
Ventrally- sternum
Caudally- diaphragm

2

How many thoracic vertebrae are there?

13

3

What do ribs articulate with?

thoracic vertebrae

4

What is the dorsal 2/3 and ventral 1/3 of ribs made of and what is the junction called?

dorsal 2/3- bone
ventral 1/3- cartilage
costochondral junction

5

How many ribs form the costal arch?

First 9 attach to the sternum, the next 3 form the costal arch the last is a floating rib

6

How many bones make up the sternum?

8 sternebrae

7

What is the name of the first and last sternebrae?

first is the manubrium the last is the xiphoid process

8

What are the lobes of the left lung?

Cranial and caudal

9

What are the lobes of the right lung?

Cranial, middle, caudal and accessory

10

What lobe does a horse lack that most other domestic species have?

Middle lobe

11

What lines the the thorax?

The pleura

12

What are the two parts of the pleura?

visceral and parietal

13

What does the visceral pleura cover?

The lungs

14

What makes up the parietal pleura?

Medastinal, costal and diaphragmatic pleura

15

What is there between the visceral and parietal pleura?

Potential space filled with serous fluid eliminating friction

16

What part of the heart sits dorsally and cranially?

The base

17

What part of the heart is ventral and caudal?

The apex

18

In what direction does the heart lie?

Caudoventrally with slight left deviation to apex

19

What covers the outside of the heart?

The pericardium (visceral and parietal)

20

What are the layers to the body of the heart?

Inner layer of endocardium, muscular myocardium, outer epicardium

21

What is the name of the valve between the left atrium and ventricle?

atrioventricular (bicuspid/mitral) valve

22

What is the name of the valve between the right ventricle and atrium?

atrioventricular (tricuspid) valve

23

What septettes the two atrium?

The interatrial septum

24

What separates the two ventricles?

inter ventricular septum

25

What separates the right ventricle and pulmonary artery?

Pulmonic valve

26

What separates the left ventricle and aorta?

Aortic valve

27

What are the additional out pouches on the atriums called?

Appendage or auricle

28

What part of the heart receives oxygenated blood and where from?

Left atrium from pulmonary vein

29

What receives deoxygenated blood in the heart and by which vein?

right atrium via the venue cavae

30

What artery does blood leave the left ventricle by?

Aorta