opportunistic

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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.
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