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80 Cards in this Set
- Front
- Back
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Sulci
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visible surface anatomic landmarks
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Coronary sulcus
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divides the atria from the ventricles
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interventricular sulcus
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separates the left and right ventricle
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AV valve are the
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tricuspid (RA/RV) & bicuspid or mitral (LA/LV)
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Semilunar valve
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Aortic and pulmonary valves
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Only other time a vein carrys O2 blood
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umbilical cored
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papillary muscles
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contract during systole to prevent regurgitation of blood into the atria"
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chordae tendineae
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are cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.
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epicardium
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a serous membrane
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myocardium
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is the bulk of the heart muscle itself
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endocardium
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is a simple squamous epithelial layer.
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Intercalated Discs
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are specialized structures in cardiac muscle that join muscle fibers together and act as fast connections for nerve impulses
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syncytium
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is a network of cardiac muscle cells connected by intercalated discs that lends to the coordinated contraction of the atria.
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Right Coronary Artery supplies____ and separates into____&____ ___ branches
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RV, marginal, posterior descending
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Anastomoses
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many minor connections
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Left Coronary splits into ___ ___ ___ ___and ____
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Left anterior Descending artery, circumflex
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The coronary veins dump into the ___ __ on the ____ aspect of the heart
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coronary sinus, posterior
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coronar sinus
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main vein on the heart
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coronar sinus drains into the ___ ___ near the ___ ___
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right atrium, vena cava
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hhfh
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hfhfh
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Bundle of His
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cardiac muscle fibers that conduct electrical impulses that regulate the heartbeat. Also called atrioventricular bundle.
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Bundle Branches
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conducting fibers that transmits electrical impulses within the ventricles of the heart
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Purkinje Network
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fibers that carry the cardiac impulse from the AV node to the ventricles of the heart and causes them to contract
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Avg stroke vol?
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70ml
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Arrhythmia
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An irregularity in the force or rhythm of the heartbeat.
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ST elevation
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is abnormally high above the isoelectric line
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Difibrillation
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To stop the fibrillation of (a heart) and restore normal contractions through the use of drugs or an electric shock.
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Cardioversion
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process of restoring the heart's normal rhythm by applying a controlled electric shock to the exterior of the chest.
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Joules
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applying a force of one newton through a distance of one meter
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Dromotropy
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affecting conductivity of a nerve fiber; it may be positive or negative.
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Sodium-Potassium pumps
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The mechanism responsible which moves these two ions in opposite directions across the plasma membrane
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Syncytium
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A mass of cytoplasm having many nuclei but no internal cell boundaries.
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Polarization
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the separation of electric charge so that there is directionality of flow, as in a body, cell, atom, or molecule.
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Repolarization
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restoration of a polarized state across a membrane.
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Contractility
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capacity for shortening in response to suitable stimulus
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Intrinsic rates
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SA 60-100, AV 40-60, Purkinje 20-40
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Tunica Adventitious
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is the outermost layer of a blood vesse
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Tunica media
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the middle layer of an artery or vein.
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Tunica intima
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is the innermost layer of an artery or vein
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Arteriole
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One of the small branches of an artery, especially one that connects with a capillary.
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Venule
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A small vein, one joining capillaries to larger veins.
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capillaries
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blood vessels form an intricate network throughout the body for the interchange of various substances between blood and tissue cells.
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Lymph system
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The interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body.
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Hydrostatic Pressure
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the pressure exerted by a liquid.
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Oncotic Pressure
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form of osmotic pressure exerted by proteins in blood plasma that usually tends to pull water into the circulatory system.
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Ejection Pressure
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its the % of what the ventricle puts out
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Tunica
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means layer
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Gfgjj
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Gghh
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Afterload
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measure the tension produced by a chamber of the heart in order to contract
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Afterload
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measure the tension produced by a chamber of the heart in order to contract
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Precapillary Sphincter, Postcapillary Sphincter
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valves of the capillary
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Precapillary Sphincter, Postcapillary Sphincter
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valves of the capillary
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Carotids
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Either of the two major arteries, one on each side of the neck, that carry blood to the head.
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Carotids
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Either of the two major arteries, one on each side of the neck, that carry blood to the head.
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Jugulars
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veins in the neck that return blood from the head
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Jugulars
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veins in the neck that return blood from the head
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Subclavians
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Located beneath the collarbone (clavicle).
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Subclavians
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Located beneath the collarbone (clavicle).
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Axillaries
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Located in or near the armpit
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Axillaries
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Located in or near the armpit
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Brachial
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Relating to the arm.
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Brachial
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Relating to the arm.
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Aorta
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the great artery arising from the left ventricle
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Aorta
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the great artery arising from the left ventricle
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Popliteals
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pertaining to the area behind the knee.
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Popliteals
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pertaining to the area behind the knee.
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Dorsalis Pedis
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is a blood vessel of the lower limb that carries oxygenated blood to the dorsal surface of the foot
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Dorsalis Pedis
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is a blood vessel of the lower limb that carries oxygenated blood to the dorsal surface of the foot
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Peroneals Vein
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n.
Any of the veins that accompany the peroneal artery and enter the popliteal vein. Also called fibular vein. |
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Peroneals Vein
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n.
Any of the veins that accompany the peroneal artery and enter the popliteal vein. Also called fibular vein. |
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Saphenous vein
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Either of two main superficial veins of the leg, one larger than the other, that begin at the foot.
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Saphenous vein
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Either of two main superficial veins of the leg, one larger than the other, that begin at the foot.
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Antecubital vein, Cephalic vein
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is a superficial vein of the upper limb. (AC)
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Antecubital vein, Cephalic vein
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is a superficial vein of the upper limb. (AC)
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Basilic vein
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large superficial vein of the upper limb that helps drain parts of hand and forearm
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Basilic vein
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large superficial vein of the upper limb that helps drain parts of hand and forearm
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Vena Cavae
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the veins that return deoxygenated blood from the body, into the heart
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Vena Cavae
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the veins that return deoxygenated blood from the body, into the heart
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Tibialis Posterior
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is the most central of all the leg muscles, and is located in the posterior compartment of the leg.
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Tibialis Posterior
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is the most central of all the leg muscles, and is located in the posterior compartment of the leg.
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