Unit 8 Blood Vocab

Bloodletting- practice of draining blood began by Egyptians to cure diseases

Arteries- carry oxygenated blood from the heart to various parts of teh body

Veins- carry deoxygenated blood to the heart

Serology- study of blood

Spatter- can be used to investigate a crime scene and show how an attack was made

Individual evidence- can identify a specific suspect

Class evidence- can be used to rule out suspects

Tissue- distinct types of material consisting of specialized cells and their products; blood is a tissue

Erythrocytes- red blood cells

Leukocytes- white blood cells

Thrombocytes- platelets

Proteins- antibodies, hormones, clotting factors; determining factor between different blood types 

Nutrients- O2, glucose, amino acids, salts, minerals

Wastes- urea, CO2

Blood typing- identifies the absence or presence of particular proteins embedded in blood cells

Antigens- in red blood cell and foreign cell membranes

 Antibodies- in blood plasma

Antigen-antibody response- response from your immune system when a foreign material enters your body in which lymphocytes release antibodies to attack the foreign substance

Transfusions- transfer of blood from one person to another

Agglutination- the clumping of red blood cells

Cohesion- helps blood remain a curved shape

Lines of convergence- lines that show the location of a blood source

Passive fall- circular drops with secondary satellite

Splashes- help show the position of the victim

Smears- bleeding victim touching walls or furniture

Blood trails- victim moving from one place to another

Blood pools- victim bleeds heavily

Luminol- chemical used to detect invisible blood residue by reacting with hemoglobin

Kastle-meyer test- test swab turns pink if blood is detected

ELISA test- uses antibodies taht react to humanblood to tell if mammal blood is from a human