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Anatomy > The Heart > Flashcards

The Heart Flashcards

1
Q

Thorax

A

consists of thoracic cage
2 plural cacities - surrounded by lungs
area medial to the cavities - mediastinum

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2
Q

Mediastineum

A

Heart
greatvessles
trachea
vagus
phrenic nerve
thymaus
thoracic duct

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3
Q

Location

A

Superior surface to diaphram
left of midline
anterior to the vertebral

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4
Q

Epicardium

A

Superficial visceral layer of the pericardium

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5
Q

Myocardium

A

middle cardiac musscle tissue layer

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6
Q

endocardium

A

layer of overlying connective tissues
lines heart chambers, heart valves
continous with endothelial lining blood vessels
fibrous skeleton of the heart that isolates the atria and the ventricles supports valves

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7
Q

coronary Sulcus

A

Divides divides atria and ventricles (TOP AND BOTTOM)

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8
Q

Anterior and posterior interventrical sulci

A

sperates left and right ventricles contain blood vessels of cardiac muscles

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9
Q

Cardiac veins

A

carry deoxygenated blood from the heart to the right atrium

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10
Q

coronary sinus

A

Largest opening
occupies the post part of cornory sulcus

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11
Q

Atherosclerios (CAD)

A

accumulation of fatty deposits in the inner linings od ateries

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12
Q

Symptoms (CAD)

A

Angina Pectoris (THORACIC PAIN- inaduquate blood suply)
Muscle cells are weakened

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13
Q

Myocardial Infarction (MI)

A

Heart attack
due to CAD
Tissue degenerates

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14
Q

Trabeculae Carneae

A

raised bundles of cardiac muscle
in interior chamber of right ventrical

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15
Q

Chordae Tendineae

A

tendon like cords attached to PM

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16
Q

Papillary muscles

A

cone shaped trabeculae carneae
prevent back flow

17
Q

Right Atrium

A

Forms the entire right border of heart
receves blood from systemic circulation via superior and inferior vena cava

17
Q

Fossa ovalis

A

remnant of fetal foramen ovale linking the atria

18
Q

coronary arteries

A

right CA springs from right anterior aortic sinus
and left from left
run in the interventricular and coronary sulcus

19
Q

Right ventricle

A

seperated internally from left ventricle by interventricular spetum

20
Q

Left atrium

A

base of the heart
posterior wall of the left atrium receive the 4 pulmonary veins that carry ocygenated blood from pulmonary circulation

21
Q

Fetal shunts

A

Anatomy (6 decks)

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