Create an account
material that is similar to unknown and known samples, and is used to validate the test method and procedure
has friction ridges that enter on one side of the finger and cross to the other side while rising upward in the middle
prints that are not visible to the naked eye; consist of the natural secretions of human skin and require development for them to be visible
imprint made by ridge patterns on the tip of a finger; also used to describe the characteristic pattern of DNA fragments
cadaver appears fresh externally but is decomposing internally due to activities of bacteria present before death
cadaver is swollen by gas produced internally, accompanied by the odor of decaying flesh
clumping of red blood cells; will result if blood types with different antigens are mixed
blood stain transfer
when a bloody object comes into contact with a surface and leaves a patterned blood image on the surface
bloodstains caused by contact between a wet blood-bearing surface and a second surface that may or may not have blood on it
the greatest speed to which a free-falling drop of blood can accelerate in air (25.1 ft./sec)
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together