Chapter 8 VOCAB

Question 1

Agglutination-

Answer 1

Clumping of cells caused by an antigen-antibody response

Question 2

Angle of impact-

Answer 2

Angle at which blood strikes a traget surface relative to the horizontal plane of the target surface

Question 3

Antibodies-

Answer 3

Proteins secreted by white blood cells that attach to specific antigens

Question 4

Antigen-

Answer 4

Substance that provokes an immune reponse in the body

Question 5

Antigen-antibody response-

Answer 5

Reaction in which antibodies attach to specific antigens; causes aggulination in cross blood-type transfusions

Question 6

Area of convergence-

Answer 6

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 spatter

Question 7

Area of origin-

Answer 7

The location of a blood source viewed in three dimensions as determined by projecting angles of impact of indiividual bloodstains

Question 8

Cast-off pattern-

Answer 8

Blood porjeted onto a surface as a result of being flund from an object in motion

Question 9

Passive drop-

Answer 9

Blood drop created solely as a result of gravity

Question 10

Satellite-

Answer 10

Smaller droplets of blood porjected from larger drops of blood upon impact with a surface

Question 11

Spine-

Answer 11

Elongated blood streaks radiating away from the center of a blodostain

Question 12

Swipe-

Answer 12

Blood pattern resulting from a lateral trasnfer from a moving source onto another surface

Question 13

Wipe-

Answer 13

Smeared blood pattern created when an object moves through blood that is not completely dried