| A | B |
|---|
| agglutination | The clumping of molecules or cells caused by an antigen-antibody reaction |
| antibodies | proteins secreted by white blood cells that attach to antigens |
| antigen-antibody response | a reaction in which antibodies attach to specific antigens |
| antigens | any foreign substance or cell in the body that reacts with antibodies |
| cell-surface protein | proteins embedded in the cell membrane |
| Lines of Convergence | A two-dimensional view of the intersection of lines formed by drawing a line through the main axis of at least two drops of blood that indicates the general area of the source of the blood surface |
| Point of Origin | a three-dimensional view formed using lines of convergence and angles of impact of at least two different drops of blood to identify the source and location of blood spatter |
| Red blood cells | donut-shaped cells that carry oxygen throughout the body |
| satellite drop of blood | secondary drop formed when some blood breaks free from the main contact drop of blood |
| white blood cells | cells that police the body by destroying foreign materials |
| Plasma | liquid that cells are suspended in |
| Cohesion | a force between two similar substances |
| Surface Tension | an elastic characteristic along the outer edge of a liquid caused by the attraction of like molecules |
| Adhesion | A force between two unlike surfaces |
| Arterial Spurts | found on walls or ceilings are caused by the pumping action of the heart |
