Drugs used to stop or slow the growth of bacteria in the body, allowing the body's immune system to kill the invading bacteria.
Diseases characterized by inflammation and destruction of the body's tissues caused by the body's immune system.
Single-celled microorganisms that do not have a defined nucleus and are found virtually everywhere.
The lab value that counts a certain type of erythrocyte. It is used to assess the magnitude of injury to the immune system and to determine the effectiveness of treatment in HIV and AIDS patients.
The presence of bacteria in a human host that is not part of the normal flora; often resides in the host without causing disease unless overgrowth occurs.
A condition of the body in which there is abnormal functioning resulting from the effects of hereditary, infection, diet, or exercise.
Plant-like organisms that lack chlorophyll and need to live off of a food source that is either dead or alive.
Having an immune system that possesses the ability to mount a normal immune response.
Having an immune system that is weakened by disease, or as a result of treatment; the risk of susceptibility to infections is increased.
A condition in which the body's immune response is damaged, weakened, or is not functioning properly.
Suppression of the immune system by drugs or radiation therapy, in order to prevent rejection of a transplanted organ, or to control an autoimmune disorder.
An abnormally low white blood cell count, which will hamper the body in fighting infections.
Microorganisms that constantly and consistently inhabit the human body; some of which are known to perform tasks that are useful for the human host.
An organism that lives within or upon another form of life and depends on that form of life for nourishment and survival.
A reproductive element of a plant or microorganism, usually in a resting state and encased in a hard, resistant protein coat.
Any organism that cannot be seen by the human eye and typically consists of only a single cell.
Noncellular pathogens that replicate by directing the synthesis of virus-specific proteins and nucleic acids inside tissue cells.
A biological term that describes a state of having sufficient biological defenses to avoid infection, disease, or other unwanted biological invasion.
Drugs are used to treat parasitic infections such as body life, head lice, scabies, and crabs.
Tissue that is rich in mucous secreting glands that line body passages and cavities that communicate directly or indirectly or indirectly with the external environment.
A method of identifying bacteria; includes two types of dye:
Crystal Violet (blue) - Gram positive
Safranin (red) - Gram negative