med terms cardo part one

cardiothoracic

pertaining to heart and thoracic cavity

cardiovascular system

body systems that includes the heart and the blood vessels

circulatory system

the path blood takes as it moves through your body. it carries blood to and from heart and lungs

mediastinum

irregular shaped in central area of body, holds heart, great vessels, thymus, trachea, and esophagus 

pulmonary circulation 

blood flow between heart and lungs carries blood to lungs to get oxygen then back to heart

systemic circulation

blood flow from heart to rest of body except lungs

cardiopulmonary

pertaining to heart and lungs

aortic valve

heart valve between the left ventricle and aorta

atrium

each of the two upper chambers of the heart

chordae tendinease

strings that help heart valves open and close

ductus arteriosus

a small vessel in babies heart that connects 2 arteries before birth, usually closes day after birth

endocardium

layer of cells that lines the atria, ventricles, and valves of the heart

foramen ovale

a small hole between the top heart chamber in a babies heart that closes after 24 after birth

heart

organ that pumps blood throughout body, contains 4 chambers, septum(center wall), and 4 valves, lower tip is the apex

mitral valve

heart valve between the left atrium and the left ventricle, known as bicuspid value has 2 pointed leaflets or cusps

myocardium

muscle layer of the heart

pericardium

membrane around the heart as the pericardial sac filled with pericardial fluid

pulmonary valve

valve between right ventricle and pulmonary trunk and pulmonary arteries

tricuspid valve

valve between the right atrium and right ventricle, has 3 pointed leaflets of cusps

valve

opens and closes to control blood flow

ventricle

each of the 2 large, lower chambers of the heart

atrioventricular (av) node

electrical relay station between upper and lower chambers

bundle branches

pathways in the heart that carry the electrical impulse from the central conduction bundle into each ventricle

bundle of his

fibers that send signals from AV node to bundle branches

conductive system

path that carries electrical signals to make heart beat consists of SA node, AV node, bundle of his, bundle branches, and purkinje fibers

depolarization

electrical change that makes heart muscle contract

diastole

resting periods between contractions

ectopic site

area in heart that sends an abnormal electrical signal

refractory period

short rest when the heart cant respond to another signal

repolarization

heart rests after contraction

sinoatrial node

hearts natural pacemaker that starts each heartbeat

systole

contraction of atria of ventricles

aorta

largest artery of the body that carries blood from heart to body, includes ascending aorta, aorta arch, thoracic aorta and abdominal aorta 

arteriole

smallest branch of artery

artery

blood vessel that carries blood away from heart

axillary artery

artery that carried oxygenated blood to (axilla) armpit area

blood vessels

tubes that carry blood through body

brachial artery

artery that carries oxygenated blood to upper arm

capillary

tiny blood vessels that connects arteries and veins

carotid artery

artery that supplies blood to neck, head and brain

coronary artery

artery that carries oxygenated blood to heart muscle

endothelium

thin inner layer of cells lining blood vessels

femoral artery

artery that carries oxygenated blood to upper leg

great vessels

aorta, superior and inferior venae cavea, pulmonary trunk, pulmonary arteries and pulmonary veins 

iliac artery

artery that carries oxygenated blood to hip and groin

jugular vein

vein that carries blood from the head to superior vena cava

peroneal artery

artery that carries oxygenated blood to little toe side

popliteal artery

artery behind knee

portal vein

vein that carries blood from intestine to liver

pulmonary artery

artery carrying blood from heart to lungs

pulmonary vein

vein that carries blood from lung to heart

pulse

heartbeat felt as blood pushes thru artery

radial artery

artery that carries blood to thumb side of lower arm

renal artery

artery that carries oxygenated blood to kidney

saphenous vein

vein that carries blood from leg to groin

subclavion artery

artery that runs under the collarbone to shoulder

tibial artery

artery that carries oxygenated blood to the front and back of lower leg

ulnar artery

artery that carries blood to the pinky side of the forearm

vasculature

network of blood vessels in particular areas

vasconstriction

when blood vessels narrow to reduce blood flow

vasodilation

when blood vessels widen to increase blood flow

vein

blood vessels that carry blood to heart

venae cavea

largest veins carry blood to heart

venue

smallest branch of vein

what medical term means pertaining to an organ

visceral

what medical term means pertaining to a wall

parietal

the right side pumps blood to the _____ circulation.

pulmonary

the left side of the heart pumps blood to the ____ circulation

systemic

the _____ circulation takes blood to the lungs to become oxygenated

pulmonary

term that means small vein

venule

term that means small artery

arteriole

2 large veins back of neck

jugular

pulse that can be felt at the back of the knee is from the

popliteal artery

deoxygenated blood from the body flows into the

right atrium

this circulation takes blood to all areas of the body

systemic

the subclavian artery is located

below collarbone

carbon dioxide is removed from the blood and excreted through

expiration

the coronary circulation arises in the

ascending aorta