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Apex of the heart

inferior point of the heart

Arch of the aorta

The most superior portion of the aorta, lying between
the ascending and descending segments of the aorta

Ascending aorta

Branches off the left ventricle; carries oxygen rich blood to parts of the body above the heart

Auricles of atria

serve as storage space
allow for some additional volume

AV bundle

pathway for signals from AV node

AV node

picks up electrical impulse from the SA node and causes ventricles to contract, causing blood to move into arteries

Brachiocephalic artery

a major artery, arising from the arch of the aorta, that supplies blood to the right arm and the head.

Brachiocephalic vein

Vein formed by the union of the jugular and subclavian veins above the heart. Carries deoxygenated blood to right atrium of heart.

Bundle branches

transmits impulses throughout the ventricular walls

Celiac trunk

The first artery to branch off of the aorta, posterior to the diaphragm. It carries blood to the stomach, pancreas, and spleen.

Circle of Willis

a ring of arteries at the base of the brain

Common carotid artery

Arteries that supply blood to the face, head, and neck.

Cordae tendineae (Tendenous cords)

tough cords attached to the heart valves

Coronary artery

the artery that branches from the aorta to supply blood to the heart

Descending aorta

Deep to the inferior vena cava; the largest artery of the body; carries blood away from the heart down the midline of the body

External carotid artery

Supplies blood to the anterior parts of the scalp, ear, face, neck, and sides of head

Fossa ovalis

an oval depression on the interatrial septum that is the remains of an opening of the fetal heart that normally closes soon after birth

Inferior mesenteric artery

arises near the lower end of the aorta and supplies the large intestine

Inferior vena cava

brings oxygen poor blood from the lower part of the body to the right atrium

Internal carotid artery

the branch of the carotid artery that supplies blood to the brain and eyes and internal parts of the head

Left atrium

the left upper chamber of the heart that receives blood from the pulmonary veins

Left AV valve

the valve between the left atrium and the left ventricle; the mitral valve or bicuspid valve

Left SL valve

aortic valve left vent to aortic valve

Left ventricle

the chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta

Papillary muscle

pull on the chordae tendinae preventing cusps from swinging back into the right atrium

Pericardial sac

the membrane surrounding the heart

Pulmonary artery

carries deoxygentated blood from the heart to the lungs

Pulmonary trunk

the start of the pulmonary circuit, vessel that leaves the right ventricle and routes blood to the lungs where gas exchange occurs.

Pulmonary vein

any of four veins that carry arterial blood from the lungs to the left atrium of the heart

Renal artery

an artery originating from the abdominal aorta and supplying the kidneys and adrenal glands and ureters

Right atrium

the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus

Right AV valve

Also called the Tricupsid valve. Prevents back flow of deoxygenated blood

Right SL valve

between R. ventricle & pulmonary trunk; also known as Pulmonary

Right ventricle

the chamber on the right side of the heart that receives venous blood from the right atrium and pumps it into the pulmonary trunk

SA node

pacemaker of the heart

Subclavian artery

either of two arteries that supply blood to the neck and arms

Subclavian vien

At what point does lymph drain into the vascular system

Superior mesenteric artery

originates from the upper part of the aorta that supplies the small intestines and the cecum and the colon

Superior vena cava

drains blood from head, neck, arms & chest into top of right atrium

Trabeculae carnae

muscular ridges and columns on inside walls of ventricles

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