THRB.3 Flashcards

1
Q
A

Left Muscular Band

Trabeculae septomarginalis sinistra

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2
Q

5

A

Phrenicopericardiac Ligament (Ca)

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3
Q

3

A

Sternopericardiac Ligaments (Eq/Ru)

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4
Q

10

A

Transverse Pericardial Sinus

Formed by the Pericardium

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9
Q

What is the ratio of Subsinous Interventricular Branches (L:R) in Equine?

A

2:2

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10
Q

What is the ratio of Subsinous Interventricular Branches (L:R) in Canines?

A

3:1

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11
Q

What is the ratio of Subsinous Interventricular Branches (L:R) in Ruminants?

A

3:1

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12
Q

Which species posess a ‘bullet-shaped’ heart?

A

Pig and Horse

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13
Q

Is this a left or right type heart?

A

Right-Type

[Equine]

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14
Q
A

Paraconal Interventricular Branch

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15
Q
A

Septal Branch

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16
Q

Which species posess a ‘Box-Shaped’ heart?

A

Ruminant and Canine

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17
Q

What is a ‘Right-type’ heart?

A

If the Interventricular Subsinous Branch comes from the Right Circumflex Branch

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18
Q

Which species have a ‘Right-type’ heart?

A

Equine and Pig

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19
Q

Which species have a ‘Left-Type’ heart?

A

Canine and Ruminant

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20
Q
A

Bundle of His

21
Q
A

Left Crus

22
Q
A

Right Crus

23
Q
A

Purkinje Fibres

24
Q
A

Left Ventricle

25
Q
A

Sinoatrial Node

26
Q
A

Right Atrium

27
Q

Name and Function

A

Atrioventricular Node

Amplifies impulses from the sinoatrial node

28
Q
A

Cranial Vena Cava

31
Q
A

Internodal Bundles

39
Q

Name given to the left and right crus

A

The Tawara Bundles

40
Q

Where does the bundle of His pass through?

A

The Ring of His

41
Q

The heart tube develops from…

A

Progenitor heart cells

42
Q

Where do stem cells differentiate during heart development?

A

Blood islands

43
Q

Internal cells of blood islands are…

A

Progenitors

44
Q

External cells of blood islands…

A

Develop into vessels

45
Q

What is shown?

A

Formation of the cardiogenic field and dorsal aortae

46
Q

What pushes the developing heart into the thorax?

A
  • Folding
  • Development of the brain
47
Q
A

Dorsal aortae

48
Q

What is shown?

A

Merging of the ventral aorta + pulmonary trunk

Formation of the heart tube

49
Q

Third aortic arch develops into…

A

Common carotid artery

50
Q
A

Sinus venosus

51
Q

Fourth aortic arches fuse to form…

A

Arcus aortae

52
Q

Sixth aortic arches fuse to form…

A

Truncus pulmonalis

L + R Pulmonary arteries