Amalgam: A mixture or blending of mecury with another metal or with an alloy
Ataxia: Unsteady and clumsy motion of the limbs or torso due to a failure of the gross coordination of muscle movements.
Biomagnification: The increase in concentration of an element or compound that occurs in a food chain across trophic levels
Bioaccumulation: The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism
Cysteine: A naturally occurring, sulpfur-containing amino acid that is found in most proteins
Divalent mercury: a cation of mercury containing two fewer electrons
Docosahexaenoic acid: An omega-3 fatty acid essential to the growth and functional development of the brain
Dysarthria: Difficulty in articulating words, caused by impairment of the muscles used in speech. A speech impairment
Elemental mercury: A silvery-white poisonous heavy metal
Food chain: A succession of organisms in an ecological community that constitutes a continuation of food energy from one organism to another as each consumes a lower member and in turn is preyed upon by a higher member
Methionine: A sulfur-containing essential amino acid, C5H11NO2S
Methylation: A process in which the hydrogen of the hydroxyl group of methyl alcohol is replaced by a metal
Methylmercury: (CH3Hg+) organic form of mercury and the form of mercury that is most easily bioaccumulated in organisms; a neurotoxin.
Paresthesia: A sensation of tingling, pricking, or numbness of a person's skin. An indication of nerve damage.
Trophic level: A group of organisms that occupy the same position in a food chain