femoral		the only vein that carries oxygenated blood
veins		lymph node located in the 'armpit'
parietal		layer that lines the epicardium
tricuspid		largest artery in the body
palatine		type of circulation which circuits through the abdominal digestive organs
visceral		located in the mediastinum; functions in the immune system
diastole		half moon shaped, prevents backflow of blood into the ventricle
axillary		tonsil located at the back of the throat
systole		contraction of the ventricles
coronary		upper boarder of the heart
bicuspid		right ventricle pumps blood to this organ
ventricle		one of two upper chambers of the heart
lung		carry deoxygenated blood back to the heart from the body
atrium		a node, a "bridge" between the SA node and the AV bundle
aorta		removal and destruction of microorganisms
pulmonary		two flaps, located between the left atrium and the left ventricle
endocardium		tough, fibrous external layer
phagocytosis		arteries that supply the left side of the heart
capillaries		carry oxygenated blood from the heart to the entire body
semilunar		lower border of the heart
arteries		vein located on the medial thigh, can be used for blood collection in cats
sinoatrial		largest structure of the lymphatic system
portal		one of two lower chambers of the heart
base		layer covering the surface of the heart
prescapular		three flaps, located between the right atrium and right ventricle
popliteal		lymph node located behind the thigh
thymus		lymph node located above the shoulder blade
pericardium		lines the chambers of the heart and covers valves
apex		relaxation of the ventricles
atrioventricular		a node, AKA the pacemaker of the heart
saphenous		small blood vessels
spleen		vein used to palpate for a pulse in dogs and cats