facultative


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facultative

 [fak´ul-ta″tiv]
not obligatory; pertaining to or characterized by the ability to adjust to particular circumstances or to assume a particular role.

fac·ul·ta·tive

(fak'ŭl-tā'tiv),
Able to live under more than one specific set of environmental conditions; possessing an alternative pathway.

facultative

(făk′əl-tā′tĭv)
adj.
1. Of or relating to a mental faculty.
2. Biology Capable of functioning under varying environmental conditions. Used of certain organisms, such as bacteria that can live with or without oxygen.

fac′ul·ta′tive·ly adv.

fac·ul·ta·tive

(fak'ŭl-tā'tiv)
In biology, able to live under more than one specific set of environmental conditions; possessing an alternative pathway.

facultative

1. Capable of adapting in response to changing environments. Used especially of micro-organisms that can grow either in an atmosphere of oxygen (aerobic) or in the absence of oxygen (anaerobic) or of those capable of living either as parasites or non-parasites.
2. Of organisms with a usual or preferred metabolic process, but which are capable, under unusual conditions, of adopting an alternative metabolic pathway.

facultative

(of an organism) being capable of adopting an alternative life style from the normal one. In this context, the word ‘facultative’ is followed by the unusual life style. Thus, a facultative PARASITE is one that is normally saprophytic but is occasionally parasitic; a facultative SAPROPHYTE is one that is normally parasitic but can become saprophytic; a facultative ANAEROBE is an organism such as yeast, that is normally aerobic but can exist in anaerobic conditions. Compare OBLIGATE.

fac·ul·ta·tive

(fak'ŭl-tā'tiv)
Able to live under more than one specific set of environmental conditions; possessing an alternative pathway.
References in periodicals archive ?
Marsh & McLennan said it envisions the combined operation as becoming a major player in Latin America as a facultative reinsurance intermediary.
Strong associates in this system include Mountain Redbelly Dace Chrosomus areas, Rosyside Dace Clinostomus funduloides, Rosefin Shiner Lythrurus ardens, and Crescent Shiner Luxilus cerasinus; facultative associates include Blacknose Dace Rhinichthys atratulus and Longnose Dace R.
That case involved a claim by a ceding company that its facultative reinsurer must pay a share of more than $60 million in expenses the former incurred in an asbestos litigation even though the "reinsurance accepted" sections of the nine facultative certificates at issue had amounts ranging from $250,000 to $2 million.
Johannes Goebel, global head of Facultative Underwriting & Head of Engineering at Qatar Re, said: "We are very pleased to further strengthen our facultative underwriting team with these key appointments at the DIFC.
"The existence of facultative stem cells indicates that many differentiated cells continue to have great plasticity and are able to respond in situations of stress, such as in wounds or in the regeneration of worn out tissues," said Jordi Casanova of IRB Barcelona.
However, facultative anaerobic-aerobic bioreactor was continuously operated using 72 hr of total HRT and treated actual textile wastewater with addition of yeast extract (2.5.g/L) and riboflavin (1 [micro]M).
* This report provides you with a breakdown of market data including data on treaty insurance, facultative insurance, percentage of insurance ceded to reinsurers and percentage of insurance retained
Hamadouche joins from Aon Benfield, Dubai, where she held the position of client manager for its Mena facultative business.
As detailed below, recently sequenced genomes include obligate bacterial mutualists, facultative associates, and the insect hosts themselves.
Responsible for Willis Facultative's national property operation last year, Rizzi tailored programs that addressed clients' needs and demonstrated her creativity.
Software and services group Eurobase International Group yesterday announced that Arch Re Facultative Underwriters (Arch Re Fac), a property facultative reinsurance provider, has chosen to deploy Eurobase's Synergy insurance solution for its global operations.
This phenomenon has been less well documented in infants, and unique differences in infant skin, especially its lack of facultative pigmentation in exposed sites, may make it particularly vulnerable to UVR exposure.

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