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anatomy vocab
| Term | Definition |
|---|---|
| agglutination | clumping of red blood cells used to make bacteria, viruses, or fungi easily removable from immune system |
| alveoli | tiny air sacs in lungs that allow for gaseous exchange |
| anemia | blood disorder in which blood lacks healthy red blood cells leading to reduced oxygen flow to organs |
| aneurysm | ballooning in a weakened artery wall; rupture leads to severe pain or bleeding |
| antibodies | Y shaped proteins produced by white blood cells that identify and neutralize foreign antigens like viruses |
| antigens | any substance that triggers the immune system to produce antibodies |
| arteries | tubes by which blood is carried from the heart to all parts of the body |
| atherosclerosis | chronic disease in which fatty plaque builds up inside arteries causing them to harden |
| atrioventricular node | located in right atrium; connects electrical system in heart, acts as pacemaker |
| bradycardia | resting heartrate of under 60 bpm |
| capillaries | smallest blood vessels; connect arteries and veins |
| embolus | blood clot, air bubble, or other structure that becomes lodged in a blood vessel and causes an embolism |
| erythrocytes | cells that transport oxygen from lungs to tissue and transport CO2 back |
| fibrinogen | liver-produced protein critical for blood clotting and wound healing |
| foramen ovale | temporary opening in atrial septum of a fetus, allowing oxygenated blood to bypass non functional lungs |
| hematoma | collection of clotted blood outside blood vessels formed by injuries which results in a painful, discolored lump |
| hematopoiesis | process in which blood cells are produced |
| hemoglobin | iron-rich protein red blood cells that carry o2 and co2 to and from lungs; low levels cause anemia |
| hemophilia | genetic disorder in which blood does not clot properly causing prolonged bleeding |
| hemostasis | multi-stage process that stops bleeding in injuries |
| leukocytes | white blood cells that counteract foreign objects |
| plasma | transportation medium for blood cells, nutrients, and waste |
| platelets | colorless blood fragments produced in bone marrow that initiate blood clotting to stop bleeding |
| pleura | thin membrane incasing lungs |
| pneumothorax | a collapsed lung caused by air leaking into the space between the lung and chest wall |
| polycythemia | a blood disorder characterized by an abnormal increase in red blood cells, causing thickened blood, reduced flow, and potential clotting |
| purkinje fibers | muscle cells in the inner ventricular walls of the heart that rapidly propagate electrical impulses, ensuring synchronized ventricular contraction |
| sinoatrial node | a small cluster of specialized cells in the upper right atrium. It initiates electrical impulses that set the normal heart rhythm |
| tachycardia | heart rate exceeding 100 bpm |
| thrombus | blood clot formed in situ within the vascular system of the body and impeding blood flow |
| veins | low pressure blood vessels designed to transport deoxygenated blood and waste products back to the heart |
Created by:
ellachouts