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Anatomy Decks > Anatomy of CVS > Flashcards

Anatomy of CVS Flashcards

1
Q

What does the heart act as?

A

A pump

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2
Q

What do the arteries do?

A

Distribute blood from heart

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3
Q

What do capillaries do?

A

Exchange nutrients

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4
Q

What do veins d?

A

Collect and return blood to heart

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5
Q

What does the lymphatic do?

A

Drain excess extracellular fluid from tissues

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6
Q

What does the heart lie in?

A

Middle mediastinum

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7
Q

What are the 2 main circulations?

A

Pulmonary: Heart-lungs-heart

Systemic: Heart-body-heart

Also: Hepatic portal circulation and Lymphatic system

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8
Q
A
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9
Q
A

Anterior view

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10
Q
A

Posterior view

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11
Q

What is the mediastinum?

A

Area of thoracic cavity between pleural sacs

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12
Q

What does the thoracic cavity contain?

A

Principally two pleural vavities with between them, the mediastinum

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13
Q

What does the heart lie between?

A

Vertebrae T5-T8 in tecumbent position

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14
Q

What is the apex of the heart?

A

L.ventricle: 5th left intercostal space in the midclavicular line (some references say 4th)

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15
Q

What does the LA form?

A

•Base: Wholly posterior lies in front of oesophagus

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16
Q

What is the anterior relations of the heart?

A

Sternum & costal cartilages 4-7

Ant. edges lungs and pleurae

Thymic remnants

17
Q

What are the posterior relations of the heart?

A

Oesophagus

Descending aorta

Thoracic vertebrae 5-8

18
Q

What are the lateral relations of the heart?

A

Lungs

Phrenic nerve

19
Q

What are the inferior relations of the heart?

A

Central tendon of the diaphragm

20
Q

What is the endocardium?

A

Innermost layer

Epithelium and basal memembrane

Connective tissue

21
Q

What is the myocardium?

A

Cardiac muscle

22
Q

What is the epicardium?

A

Connective tissue and basement membrane and epithelium

23
Q
A
24
Q

What is the endocardium?

A
  • Lines heart chambers
  • Simple squamous epithelium sitting on basement membrane
  • Sits on connective tissue
  • Forms valves
25
Q
A
26
Q
A

Anatomy Decks (141 decks)

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