Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Animal Health Science 1 > Heart AHS1 > Flashcards

Heart AHS1 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Where is the heart skeleton located?

A

Between the atria and the ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the function of the heart skeleton?

A

Electrical insulation

Supports valves and surrounding muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the splanchnic bone in ruminants hearts?

A

Ossa cordis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the name for heart grooves?

A

Sulci

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the name of the groove that divides the ventricles under the left auricle?

A

Left interventricular groove

Paraconal groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the name of the groove that circles the heart?

A

Coronary groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the name of the smaller groove on the right hand side?

A

Right interventricular groove

Subsinuosal groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How can you tell it’s the left side of the heart?

A

You can see both auracles
The aorta is going caudally
You can see the cone shaped exit of the right ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the ligament that connects the pulmonary artery to the aorta?

A

Ligamentum arteriosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the connection between the pulmonary artery and the aorta called when its in a foetus? What is its function?

A

Ductus arteriosus

Bypasses the lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where do the pulmonary veins drain into?

A

The left atrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the muscle that makes up auricles?

A

Pectinate muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the coronary sinus and where is it located?

A

It drains the coronary veins from the heart wall

It is located in the right atrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the name of the triangle directing blood flow down to atria and where is it located?

A

Intervenous tubercle

Located where the cranial and caudal vena cava are opposite each other so reduces turbulence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the name of the hole in the heart in a foetus? What is its function?

A

The foramen ovale

Allows better blood flow due to not going to the lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the name of the hole in the heart once it has closed up?

A

Fossa ovalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the name of the right AV valve?

A

Tricuspid

3 cusps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the name of the left AV valve?

A

Bicuspid

2 cusps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are the heart strings called?

A

Chordae tendinae

20
Q

What are the cusps made from?

A

Folds in the endocardium

21
Q

What are the muscles that connect to the heart strings called?

A

Papillary muscles

22
Q

What is the papillary muscles function?

A

They prevent the valves from inverting

23
Q

What are the muscular ridges on the ventricle walls called?

A

Trabeculae carnae

24
Q

What are the thin strings of muscle across the ventricles called? Where are they mainly found?

A

Trabeculae septomarginalis

Right ventricle

25
Q

What is the function of trabeculae spetomarginalis?

A

Shortcut for action potentials to make sure that all parts of the ventricle contract at the same time

26
Q

What is the cone shaped exit to the pulmonary trunk called?

A

Conus arteriosus

27
Q

What is the valve at the exit to the pulmonary trunk in the right ventricle called? How many cusps does it have?

A

The pulmonary valve
Semilunar valve
3 cusps

28
Q

What is the difference between the actions of the left and right ventricles?

A

Right has a bellows action whereas the left has a circular squeezing action

29
Q

What is the valve called going into the aorta form the left ventricle?

A

Aortic valve
Semilunar valve
3 cusps

30
Q

What is it called when the coronary arteries are blocked?

A

Myocardial infarction

31
Q

Where does the right coronary artery arise?

A

Above the cranial cusp of the aortic valve

32
Q

Where does the left coronary artery arise?

A

Above the caudal sinistral (left) cusp of the aortic valve

33
Q

What does the left coronary artery split into?

A

The left interventricular (paraconal) branch which goes down the “ groove.
The circumflex branch which travels around in the coronary groove. It goes down the right interventricular groove in dogs and ruminants.

34
Q

What does the left coronary artery go under?

A

The left auricle

35
Q

What does the right coronary artery do?

A

Goes around heart to supply the right atrium and the SAN

Very important - artery of sudden death

36
Q

What are the species differences in the right coronary artery?

A

The dog and ruminant is short

The pig and horse goes down the right interventricular groove

37
Q

What is the name of the vein in the left interventricular (paraconal) groove?

A

Great cardiac vein

38
Q

What drains the coronary veins?

A

Coronary sinus

39
Q

What is the name of the vein which is in the right interventricular (subsinosal) groove?

A

Middle cardiac vein

40
Q

What is the arterial supply to the diaphragm?

A

Musculo-phrenic artery

Comes from the internal thoracic artery

41
Q

What veins drain the diaphragm?

A

Phrenic veins

42
Q

What nerve supplies the diaphragm?

A

Phrenic nerve

43
Q

What are the 3 main holes in the diaphragm?

A

Aortic hiatus
Oesophageal hiatus
Caval foramen

44
Q

What comes through the aortic hiatus?

A

Aorta
Azygous vein
Cisterna chyli - lymphatic

45
Q

What comes through the oesophageal hiatus?

A

Oesophagus

Dorsal and ventral vagus trunks of the vagus nerve

46
Q

What comes through the caval foramen?

A

Caudal vena cava

47
Q

What also attach to the diaphragm?

A

The left and right phrenic nerves

Animal Health Science 1 (33 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions