Cardiovascular System
Key Terms

Means vessel

necrosis
◦ tissue death

Angionecrosis
◦ death of the walls of the blood vessels.

Aorta

Having to do with the aorta

Means artery

Having to do with arteries

-sclerosis
◦ abnormal hardening
◦ Arteriosclerosis?

Means plaque

Or fatty substance

Atherosclerosis
◦ hardening and narrowing of the arteries due to a
buildup of cholesterol plaques.

Slow

Card – heart

Bradycardia
◦ abnormally slow heart beat


Means heart
Having to do with the heart


Coronary
Crown

Blood
Blood condition
Having to do with the blood

Isch – to hold back

Ischemia


◦ a deficiency in blood supply due to either the
constriction or the obstruction of a blood vessel.

Means red

Cyte
◦ means cell

Erythrocyte
◦ red blood cell


Means blood
Having to do with the blood

Means white

Cyte – cell

Leukocyte
◦ white blood cell

Means vein
Having to do with the veins

Phlebitis

◦ inflammation of a vein.

Means rapid

Tachycardia
◦ abnormally fast heartbeat

Clot
Having to do with a clot

Osis

◦ abnormal condition

Thrombosis
◦ abnormal blood clot in a blood vessel





Aneurysm-widening
Angina-choking pain
Atri/o-atrium
Plasm/a, plasm/o-plasma (form, mold)
Valv/o-valve (leaf)


Vein
Having to do with the veins
Key terms 2


Something inserted
-us
◦ Singular noun ending

-ism
◦ Condition, state of

Embolus
◦ A foreign object, such as a blood clot, quantity of
air or gas, or a bit of tissue or tumor that is
circulating in the blood

Embolism
◦ Blockage of a vessel by an embolus.



The flow of blood through the vessels of an
organ
The adequate delivery of oxygen and glucose
to tissues
Hypoperfusion




Vessel
Vas deferens
Vasoconstrictor
Vasodilator


Also known as dysrhythmia
An irregularity or the loss of normal rhythm
of the heartbeat.

Rapid, random, and ineffective contractions
of the heart
◦ Atrial fibrillation - AF
◦ Ventricular fibrillation – V fib or VF

a cardiac arrhythmia in which the atrial
contractions are rapid but regular.


An immature erythrocyte
Characterized by a meshlike pattern of
threads



A type of leukocyte
Formed in red bone marrow
Promote the inflammatory response

Control
Maintenance of a constant level

Hemostasis

◦ To control bleeding


A localized area of necrosis caused by an
interruption of the blood supply
Myocardial infarction (MI)