Chronic Toxicity: The capacity of a substance to cause long-term or delayed adverse health effects. For example, a cancer resulting from exposure to a carcinogen may not appear for years or decades.

 

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Chronic Toxicity: The capacity of a substance to cause long-term or delayed adverse health effects. For example, a cancer resulting from exposure to a carcinogen may not appear for years or decades.

Acute Toxicity: The ability of a substance to cause harmful effects soon after a single exposure or dose. Also, any severe poisonous effect resulting from a single short-term exposure to a toxic substance. . . . View Full Definition

Diachronic: (Grk, 'across time') An analysis of literature, history, or linguistics is diachronic if it examines changes or developments in a single area or discipline over the course of many centuries. . . . View Full Definition

Dermal Toxicity: The ability of a pesticide or other chemical to poison people or animals via skin contact. Many organophosphate pesticides exhibit high dermal toxicity.

Oral Toxicity: Ability of a chemical to cause injury when ingested by mouth.

Synchronic: A synchronic study is one that provides an overview of a subject at a particular moment in time, as opposed to a diachronic study, which traces changes from one time period to the next acros . . . View Full Definition

Toxicity: The adverse reactions (dose-response time relationships) of tissues to selected foreign substances resulting in unacceptable in-vivo interactions. The toxicity can be at the local or systemi . . . View Full Definition

Chronic Disease: A disease or illness that is associated with lifestyle or environment factors as opposed to infectious diseases (hypo kinetic diseases are considered to be chronic diseases).

Chronicle: A history or a record of events. It refers to any systematic account or narration of events that makes minimal attempt to interpret, question, or analyze that history. Because of this, chron . . . View Full Definition

Chronic Exposure: Contact with a substance that occurs over a long time (more than 1 year) [compare with acute exposure and intermediate duration exposure]