A lowering of effective power, vitality, or essential quality to a worsened kind or state.

An abnormal state in which the body is not functioning normally

replacement of destroyed tissue by the same kind of cells

A disease that is caused by a pathogen and that can be spread from one individual to another.

A disease that is not caused by a pathogen and cannot spread from one individual to another

a bacterium, virus, or other microorganism that can cause disease.

a disease that causes a breakdown of the body cells, tissues, and organs as it progresses

tiny particles, smaller than bacteria and other pathogens, which must invade living cells in order to reproduce; when they invade, the cells are damaged or destroyed in the process releasing new particles to infect other cells

an inherited disease or disorder that is caused by a mutation in a gene or by a chromosomal defect

A kingdom made up of nongreen, eukaryotic organisms that have no means of movement, reproduce by using spores, and get food by breaking down substances in their surroundings and absorbing the nutrients

a disorder that is present at birth

infectious diseases caused by bacteria

Abnormalities obvious at birth or detectable early in infancy

infectious diseases caused by viruses

Diseases made likely by neglect of the body or by poor lifestyle choices over time.

infectious diseases caused by fungi

characteristics or behaviors that increase the likelihood of developing a medical disorder or disease

an animal or plant that nourishes and supports a pathogen or parasite

interval between initial infection and first signs and symptoms; very contagious time

#1 Killer in the USA; A general term for all diseases of the heart and blood vessels.

abnormal hardening of the walls of an artery or arteries

a person who hosts a pathogen/germ but does not suffer the symptoms of illness

condition in which fatty deposits called plaque build up on the inner walls of the arteries

ability to ward off disease

Pain in the chest caused by lack of oxygen-carrying blood in the heart

symptoms develop rapidly but the disease lasts only a short time

heart attack

a disease that develops gradually and continues over a long period of time

the pressure that is exerted by the blood against the walls of blood vessels

first line of defense against pathogens

peak arterial pressure during a heartbeat

Secretes thick, slimy fluid that lubricates the surface of organs and keeps them moist and helps defend against pathogens.

Blood pressure that remains between heart contractions.

a substance that produces an allergic reaction in an individual

abnormally high blood pressure

a complex response system that protects the body from bacteria, viruses, and other foreign substances

Part of the body's defense against pathogens in which cells of the immune system react to each kind of pathogen with a defense targeted specifically at that pathogen.

A sudden attack of weakness or paralysis that occurs when blood flow to an area of the brain is interrupted

Specialized proteins that aid in destroying infectious agents

interfere with viral replication within cells

A disease in which some body cells grow and divide uncontrollably, damaging the parts of the body around them.

elevated body temperature that occurs in response to infection

An abnormal mass of cells that remains at its original site in the body. (not cancerous)

An abnormal tissue mass that can spread into neighboring tissue and to other parts of the body (cancerous)

Vessels that circulate a special body fluid called lymph

The spread of cancer cells beyond their original site through the blood stream or lymphatic system

The two types of white blood cells that are part of the body's immune system: B-cells and T-cells

a lymphocyte responsible for producing antibodies.

A cancer-causing substance

abnormally low level of sugar in the blood

a lymphocyte responsible for attacking infected cells in the body; it eliminates the affected cells that house the virus in order to eliminate the virus

juvenile diabetes; the body produces little or no insulin; controlled by regular injections of insulin

Organ near the stomach that produces, stores, and eliminates blood cells

A chronic condition where the body does not use insulin properly and becomes insulin resistant; controlled though weight loss, diet, exercise, oral medication

substance prepared from killed or weakened pathogens and introduced into a body to produce immunity

Subjective characteristics of disease felt only by the patient

painful inflammation and stiffness of the joints.

degenerative joint disease

An inflammation of lung tissue, wherer the alveoli in the affected areas fill w/fluid

a chronic autoimmune disorder in which the joints and some organs of other body systems are attacked

condition resulting in a high number of white blood cells; headache, sore throat, and fatigue are symptoms

A genetic disorder that is present at birth and affects both the respiratory and digestive systems.

inflammation of the liver caused by a virus, usually transmitted orally through fecal contamination of food or water; Ends in a vowel, comes from the bowel

group of hereditary diseases characterized by degeneration of muscle and weakness

virus that causes inflammation of the liver; transmitted through any body fluids and blood

A chronic disease of the central nervous system marked by damage to the myelin sheath. Plaques occur in the brain and spinal cord causing tremor, weakness, incoordination, paresthesia, and disturbances in vision and speech

A sexually transmitted disease, the most common in developed countries, caused by the bacteria. Often producing no symptoms, it can cause infertility and PID.

a progressive and irreversible brain disorder characterized by gradual deterioration of memory, reasoning, language, and, finally, physical functioning

A sexually transmitted bacterial disease, the second most common in developed countries, caused by a bacteria that causes infertility and PID. It also causes damage to the joints, hearts, and organs.

An STD that attacks many parts of the body and is caused by bacteria, this sexually transmitted disease is the least common but is difficult to diagnose because it looks like so many other diseases. Stage 1: red sore. Stage 2: body rash. Stage 3: damage to heart, brain, and organs. Stage 4: blindness and insanity

A viral infection causing small painful blisters and inflammation, most commonly at the junction of skin and mucous membrane in the mouth or nose or in the genitals. Simplex II affects the reproductive organs while Simplex I is generally associated with cold sores.

acquired immune deficiency syndrome

Virus that destroys the immune system that should protect the body from diseases. The disease is passed from person to person through sexual acts, blood transfusions, used hypodermic needles, or from mother to child during birth.