Heart Term Handout Sheet

Front 1

Right atrium gets?

Back 1

Deoxygenated blood from superior / inferior vena cava

Front 2

Right auricle?

Back 2

small conical muscular pouch attached to the right atrium

Front 3

Coronary Sulcus?

Back 3

atria of the heart is seperated from the ventricles

Front 4

Right ventricle?

Back 4

Under the right atria

tricuspid valve

deoxygenated blood

Front 5

Anterior interventricular sulcus?

Back 5

One of the two grooves that seperate the ventricles of the heart

Front 6

Left ventricle?

Back 6

pumps oxygenated blood to the body... receives oxygenated blood from the left atria

Front 7

Left atrium?

Back 7

oxygenated blood from pulmonary veins

via mitral valve

Front 8

Pulmonary Veins?

Back 8

receive oxygenated blood from the lungs and drain into the left atrium

Front 9

Pulmonary Trunk (right branch vs left branch)

Back 9

right is longer and larger than left. runs horizontally to the right...... left runs horizontally in front of the aorta.

Front 10

Ligamentum Arteriosum?

Back 10

small ligament attached to the superior surface of the left pulmonary artery. *probably nonfunctional

Front 11

Ascending aorta?

Back 11

Upper portion of the base of the left ventricle

Front 12

Aortic arch?

Back 12

lies within the mediastinum

splits the ascending and descending aorta

Front 13

Right Brachiocephalic vein?

Back 13

artery of the mediastinum supplies blood to the right arm, head, neck.

Front 14

Left common carotid artery?

Back 14

Supply the head and neck with oxygenated blood. Also divide in the neck to form external and internal carotid arteries

Front 15

Left subclavian artery?

Back 15

supplies blood to the left arm

located upper chest below the clavicle

Front 16

Superior Vena Cava?

Back 16

carries deoxygenated blood from the upper half of the body to the right atrium

Front 17

Right and left brachiocephalic vein?

Back 17

major veins returning blood to the superior vena cava. Both formed by union of internal junction and subclavian vein at the level of sternoclavicular joint

Front 18

Left see previous.....

Back 18

previous

Front 19

Descending Aorta?

Back 19

Begins at the aortic arch and runs down through the chest

Front 20

Esophagus?

Back 20

muscular tube through which food passes from the pharynx to the stomach " entrance for eating"

Front 21

Trachea?

Back 21

anatomical structure used for breathing. It is the first part of the lower respiratory tract

Front 22

Annular Ligament?

Back 22

strong band of fibers that encircle the head of the radius

Front 23

Tracheal cartilages?

Back 23

vary in # from 16 - 20

semicircular rings which occupy the anterior 2/3rd's of the circumference of the trachea

Front 24

Left bronchus?

Back 24

Lower resp tract

smaller but longer than the right

left lung

Front 25

Right bronchus?

Back 25

wider, shorter, more vertical than the left

Front 26

Inferior vena cava?

Back 26

aka "posterior" large vein that carries deoxygenated blood into the right atrium from the lower body.

Front 27

Coronary Sinus?

Back 27

collection of veins joined together to form a large vessel that collects blood from the heart muscle.

Front 28

Great cardiac vein?

Back 28

begins at the apex of the heart and ascends along the anterior longitodinal sulcus to the base of the ventricles.

receives blood from the left atrium and both ventricals

Front 29

Left coronary artery?

Back 29

arises from the aorta above the left cusp of the aortic valve and feeds blood to the left side of the heart.

Front 30

Fatty tissue?

Back 30

loose connective tissue

main role is to store energy and insulate the body

Front 31

Right coronary artery?

Back 31

originates above the right cusp of the aortic valve. Travels down towards the crux of the heart.

Front 32

Sinoatrial Node?

Back 32

Right atrium of the heart.

generator of normal sinus thythm "Cardiomyocytes"

Front 33

Orifice of inferior vena cava?

Back 33

Unable to find

Front 34

Valve of the inferior vena cava?

Back 34

lies at the junction of the inferior vena cava and right atrium

maybe no function?????

Front 35

Tricuspid Valve?

Back 35

Between right atrium and right ventricle

prevents back flow of blood into the atrium

Front 36

Atrioventricular node?

Back 36

electrically connects atrial and ventricular chambers

located directly between atria and ventricle

Front 37

Pulmonary valve?

Back 37

lies between the bright ventricle and the pulmonary artery.

Has 3 cusps

Heart sound S2 made here

Front 38

Right branch of Bundle of HIS?

Back 38

specialized muscle cells for conduction with an intrinsic rate of 20

splits at interventricular septum

Front 39

Purkinje fibers?

Back 39

Electrical impulses from the AV node to the fasicular branches

Front 40

Septal papillary muscel?

Back 40

located in the ventricles

attached to mitral and tricuspid valves

Front 41

Bicuspid valve?

Back 41

Mitral

dual flap

between left atrium and left ventricle

Front 42

Posterior papillary muscle?

Back 42

located in the ventricles

attached to mitral and tricuspid valves

Front 43

Left branch of bundle of HIS?

Back 43

specialized muscle cells for conduction with an intrinsic rate of 20

splits at interventricular septum

Front 44

Interventricular septum?

Back 44

stout wall separating the lower chambers of the heart from each other

Front 45

Aortic valve?

Back 45

lies between the left ventricle and the aorta.

Front 46

Small cardiac veins?

Back 46

runs in the coronary sulcus between the right atrium and the ventricle

receives blood from the back of the right atrium and ventricle

Front 47

Posterior vein of the left ventricle?

Back 47

runs on the diaphrgmatic surface of the left ventricle to the coronary sinus.

Front 48

Apex of the heart?

Back 48

lowest superficial part of the heart

overlapped by the left lung and pleura

Front 49

Circumflex branch of left coronary artery?

Back 49

curves to the left around the heart within the coronary sulcus.

supplies left ventricles and papillary muscles.

Front 50

Anterior interventricular branch of left coronary artery?

Back 50

1st passes behind the pulmonary artery then comes between and descends to the incisura apicis cordis.

Front 51

Left auricle?

Back 51

muscular pouch connected to the left atrium of the heart

Front 52

Pectinate muscle?

Back 52

parallel ridges in the walls of the atria of the heart. They resemble the teeth of a comb.

Front 53

Crista terminalis?

Back 53

Line of union between the right atrium and right auricle and is present on the interior of the atrium

Front 54

Posterior left ventricular branch?

Back 54

???/

Front 55

Fossa Ovalis?

Back 55

depression in the right atrium remnant of a thin fibrous sheet that covered the foramen ovale during fetal
development

Front 56

Limbus of fossa ovalis?

Back 56

prominent oval margin of the fossa ovalis. It is in the right atrium.

Front 57

Valve of coronary sinus?

Back 57

semicircular fold of the lining membrane of the right atrium at the orifice of the coronary sinus

Front 58

Opening of the coronary sinus?

Back 58

opens into the right atrium. returns the blood from the substance of the heart

Front 59

Azygous Vein?

Back 59

vein running up the side of the thoracic vertebral column. "alternate path for blood to the right atrium."

Front 60

Middle cardiac vein?

Back 60

commences at the apex oof the heart, ends in the coronary sinus

Front 61

Posterior interventricular branch?

Back 61

supplies the posterior 1/3 of the interventricula septum

Front 62

Anterior papillary muscle

Back 62

located in the ventricles

attached to mitral and tricuspid valves

Front 63

Marginal branches on right coronary artery?

Back 63

follows the acute margin of the heart and supplies branches to both surfaces of the right ventricle