ANAT 315 Heart & Thoracic Cavity Cards

label the cavities

label. list all components of the anterior, posterior, and inferior borders of the thoracic cavity

anterior/posterior: thoracic cage (sternum, ribs, thoracic vertebrae)

inferior: diaphragm

what type of circulation?

label. list the anatomical relationships of the heart:

• what is it superior to?

• what is it posterior to?

• what is it between?

• where is the apex?

• where is the base?

heart is:

• posterior to sternum

• superior to diaphragm

• between the lungs

• the apex ponts antero-inferiorly and to the left

• the base is posterior and superior

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label. list the functions of the fibrous pericardium

fibrous pericardium:

1. anchors the heart in place

2. provides protection for the heart

3. prevents over-expansion of the heart

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B. What is a pathology associated with the pericardial space?

A. POTENTIAL SPACE

B. pericardial effusion

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label. what vessel runs in these grooves?

Anterior Interventricular Groove → left anterior descending artery

Atrioventricular Groove → right coronary artery

label. what vessel runs in this groove?

Posterior descending artery

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Left Anterior Descending Artery

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describe the development of this structure

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the chordae tendinae, papillary muscles, and trabeculae carneae collectively prevent prolapse of the tricuspid valve during contraction of the ventricle and prevent backwards flow of blood

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label. what does each supply

internal carotid → brain

external carotid → head & neck

? = IVC

A. Superior Vena Cava

B. apex of the heart

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describe the flow of blood through the heart

c) the right atrium

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F.