Q.E 21

• Postmortem evidence – that obtained from an examination of the tissues and organs after death
• Experimental evidence – (psychological test) obtained by administering the suspected substance to some living animal

  and noting the effect or symptoms
• Alcohol – is a class of organic compound containing hydroxyl groups includes ethanol.
• Ethanol – is a specific kind of alcohol normally diluted with water and consumed as beverages.
• Fermented – low alcoholic conten
• Wine – 8-14%
• Distilled – high alcoholic content
• Combination – (fortified; port & sherry wines)
• Oxidation – alcohol oxidized to carbon dioxide and water via acetaldehyde to acetic acid using alcohol dehydrogenase in

  the liver.
• Excretion – breath, urine and perspiration.
• TRACE EVIDENCE – These are any materials left by any suspects or victim which serves as a link to a crime.
• HAIR – is an appendage of the skin that grows out of an organ known as the hair follicle.
• CUTICLE – It is a protective coating made of overlapping scales (appearance of shingles on a roof) that always point

  toward the hair tip
• CORTEX – Made of spindled-shaped cells aligned in a regular array, parallel to the length of the hair.
• MEDULLA – Collection of cells having the appearance of a central canal running through a hair.
• Standard – considered samples from known source.
• Questioned – sample from unknown source
• tool mark – is defined as any impression, compression, cut, gouge, scratch, indentation, or any other making left in an

  object by another harder object or instrument
• Natural fibers – derived in whole from animal or plant resources
• Serial number – a number of related or similar objects arranged in order or success