Lifetime Health: Chapter 13 Vocabulary
Bacteria
tiny, single-celled organisms, some of which can cause disease
Amebic dysentery
an inflammation of the intestine cause by an ameba
Hepatitis
an inflammation of the liver
Meningitis
an inflammation of the membranes covering the brain and spinal cord
Fungus
an organism that absorbs and uses nutrients of living or dead organisms
Pathogen
any agent that causes disease
Infectious disease
any disease that is caused by an agent that has invaded the body
Salmonellosis
a bacterial infection of the digestive system, usually spread by eating contaminated food
White blood cell
a blood cell whose primary job is to defend the body against disease
Symptom
a change that a person notices in his or her body or mind and that is caused by a disease of disorder
Antibiotic resistance
a condition in which bacteria can no longer be killed by a particular antibiotic
Lymphatic system
a network of vessels that carry a clear fluid called lymph through the body
Inflammation
a reaction to injury or infection that's characterized by pain, redness, and swelling
Vaccine
a substance usually prepared from killed or weakened pathogens or from genetic material and that is introduced into a body to produce immunity
Virus
a tiny disease-causing particle that consists of genetic material and a protein coat