opportunistic


Also found in: Dictionary, Thesaurus, Legal.
Related to opportunistic: Opportunistic disease

opportunistic

 [op″or-too-nis´tik]
1. denoting a microorganism that does not ordinarily cause disease but becomes pathogenic under certain circumstances.
2. denoting a disease or infection caused by such an organism.

op·por·tu·nis·tic

(op'ŏr-tū-nis'tik),
1. Denoting an organism capable of causing disease only in a host with lowered resistance, for example, by other diseases or by drugs.
2. Denoting a disease caused by such an organism.

opportunistic

/op·por·tu·nis·tic/ (op″er-tldbomacn-is´tik)
1. denoting a microorganism which does not ordinarily cause disease but becomes pathogenic under certain circumstances.
2. denoting a disease or infection caused by such an organism.

opportunistic

adjective Relating to a microorganism—or the disease/infection it invokes—that is part of the normal non-pathogenic flora, which causes disease under certain conditions (e.g., by a compromised host immune defence).

opportunistic

Medtalk adjective Relating to a microorganism that is part of the normal nonpathogenic flora, which causes disease given the opportunity–eg, by a compromised host immune defense

op·por·tu·nis·tic

(op'ŏr-tū-nis'tik)
1. Denoting an organism capable of causing disease only in a host with lowered resistance; e.g., by other diseases or by drugs.
2. Denoting a disease caused by such an organism.

opportunistic

  1. (of microorganisms) capable of causing disease in some circumstances but which under normal conditions are harmless.
  2. (of any species) exploiting new habitats.

Opportunistic

Causing disease only under certain conditions, as when a person is already sick or has a weak immune system.

opportunistic

1. denoting a microorganism which does not ordinarily cause disease but becomes pathogenic under certain circumstances.
2. denoting a disease or infection caused by such an organism.
References in periodicals archive ?
serves as the fund administrator, accountant and transfer agent for the DDJ Opportunistic High Yield Fund.
The CDC's Morbidity and Mortality Weekly Report Appendix (August 20,1999 listed the "Recommendations to Help Patients Avoid Exposure to Opportunistic Pathogens" in its contribution to disease prevention.
The proportions of opportunistic pathogens were compared between the CD4 groups by using Z test.
Both opportunistic and nonopportunistic events were less likely in patients with higher CD4 counts.
investors to embrace a broader spectrum of value-add, opportunistic, specialized, property types and offshore real estate strategies
This is not about opportunistic infections or AIDS anymore.
12th Conference on Retroviruses and Opportunistic Infections, Boston, February 22-25, 2005 [abstract 953].
First plan your long haul itinerary for opportunistic stopovers.
are opportunistic pathogens that arise in immunocompromised patients; in fact, most cases of Candida epiglottitis have occurred in immunocompromised patients.
These include opportunistic infections and malignancies.
SIR - While some opportunistic retailers may have used the introduction of the euro to round up, it is surely important to keep in perspective the real scale of these changes.
Fungi are opportunistic in that a well-developed mycelium (a collection of hyphae, which are the basic unit of a fungus) occur when the appropriate environmental conditions are present.