(n.) An offer of two things, one of which may be chosen, but not both; a choice between two things, so that if one is taken, the other must be left.
(n.) Either of two things or propositions offered to one's choice. Thus when two things offer a choice of one only, the two things are called alternatives.
(n.) The course of action or the thing offered in place of another.
(n.) A choice between more than two things; one of several things offered to choose among.
Example Sentences:
(1) The rash presented either as a pityriasis rosea-like picture which appeared about three to six months after the onset of treatment in patients taking low doses, or alternatively, as lichenoid plaques which appeared three to six months after commencement of medication in patients taking high doses.
(2) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
(3) But in 2017, to borrow another phrase from across the pond, there simply is no alternative.
(4) This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network.
(5) These authors, therefore, conclude that this modified surgical approach is a viable alternative to the previously described procedures for resistant metatarsus adductus.
(6) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.
(7) This is an easy, safe, and rapid alternative for the emergent treatment of superior vena caval syndrome.
(8) Core biopsy with computed tomography (CT) or ultrasound (US) guidance may be such an alternative, particularly when a spring-loaded firing device is used.
(9) In both experiments, Gallus males were placed on a commercial feed restriction program in which measured amounts of feed are delivered on alternate days beginning at 4 weeks of age.
(10) The method used in connection with the well known autoplastic reimplantation not only presents an alternative to the traditional apicoectomy but also provides additional stabilization of the tooth by lengthing the root with cocotostabile and biocompatible A1203 ceramic.
(11) While the majority of EU member states, including the UK, do not have a direct interest in the CAR, or in taking action, the alternative is unthinkable.
(12) Many examples are given to demonstrate the applications of these programs, and special emphasis has been laid on the problem of treating a point in tissue with different doses per fraction on alternate treatment days.
(13) Initiation of the alternative pathway by the cryptococcal capsule is characterized by a lag in C3 accumulation and the appearance of a limited number of focal initiation sites which resemble those observed when the alternative pathway is activated by zymosan and nonencapsulated cryptococci.
(14) In our efforts to explore alternative treatment regimens for multidrug-resistant tumors we have examined the sensitivity of MDR tumor cell lines to lymphokine activated killer (LAK) cells.
(15) Following treatment with reserpine or alternatively with a combination of phenothiazines (Randolektil, Majeptil) a drug-induced parkinsonoid reaction was provoked in rats.
(16) Review of the records of five patients with CPSE treated with radiologic occlusion procedures showed that these are suitable alternatives to surgery.
(17) Being the decision-making agent, the rehabilitee must therefore be offered typical situational fragments of a possible educational and vocational future, intended on the one hand to inform him of occupational alternatives and, on the other, to provide initial experience.
(18) This study suggests that the BD VACUTAINER agar slant is an acceptable alternative to the Septi-Chek system for routine blood cultures.
(19) Treatment failures tend to occur early in the course of follow-up, permitting easy identification of candidates for alternative therapeutic approaches.
(20) In view of many ethical and legal problems, connected in some countries with obtaining human fetal tissue for transplantation, cross-species transplants would be an attractive alternative.
Whether
Definition:
(pron.) Which (of two); which one (of two); -- used interrogatively and relatively.
(conj.) In case; if; -- used to introduce the first or two or more alternative clauses, the other or others being connected by or, or by or whether. When the second of two alternatives is the simple negative of the first it is sometimes only indicated by the particle not or no after the correlative, and sometimes it is omitted entirely as being distinctly implied in the whether of the first.
Example Sentences:
(1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
(2) This study was undertaken to determine whether the survival of Hispanic patients with squamous cell carcinoma of the head and neck was different from that of Anglo-American patients.
(3) We determined whether serological investigations can assist to distinguish between chronic idiopathic autoimmune thrombocytopenia (cAITP) and immune-mediated thrombocytopenia in patients at risk to develop systemic lupus erythematosus (SLE); 82 patients were seen in this institution for the evaluation of immune thrombocytopenia.
(4) Whether hen's egg yolk can be used as a sperm motility stimulant in the treatment of such conditions as asthenospermia and oligospermia is subjected for further study.
(5) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
(6) Because many wnt genes are also expressed in the lung, we have examined whether the wnt family member wnt-2 (irp) plays a role in lung development.
(7) A remarkable deterioration of prognosis with increasing age rises the question whether treatment with cytotoxic drugs should be tried in patients more than 60 years old.
(8) We investigated whether these peptides also affect the sleep EEG in humans when given intravenously by comparing polysomnographically the effects of four boluses of (1) placebo, (2) 50 micrograms GHRH or (3) 50 micrograms SRIF administered at 22.00, 23.00, 24.00 and 1.00 h to 7 male controls.
(9) In experiments performed to determine whether PtdIns(4,5)P2 hydrolysis induced by TRH may have been caused by the elevation of [Ca2+]i, the following results were obtained: the effect of TRH to decrease the level of PtdIns(4,5)P2 was not reproduced by the calcium ionophore A23187 or by membrane depolarization with 50 mM K+; the calcium antagonist TMB-8 did not inhibit the TRH-induced decrease in PtdIns(4,5)P2; and, most importantly, inhibition by EGTA of the elevation of [Ca2+]i did not inhibit the TRH-induced decrease in PtdIns(4,5)P2.
(10) To determine whether or not the glycan moieties in hTPO play a role in the disease-associated epitopes in Hashimoto's thyroiditis, radiolabeled recombinant hTPO was immunoprecipitated after digestion with N-glycanase.
(11) Many problems at the macroscopic level require clarification of how an animal uses a compartment of suite of muscles and whether morphological differences reflect functional ones.
(12) Friend erythroleukemia cells were induced to differentiate by dimethyl sulfoxide (DMSO) and hexamethylene-bis-acetamide (HBMA) in order to investigate whether their lipid characteristics, common to other systems of transformed cells, revert to a normal differentiation pattern.
(13) When you have been out for a month you need to prepare properly before you come back.” Pellegrini will make his own assessment of Kompany’s fitness before deciding whether to play him in the Bournemouth game, which he is careful to stress may not be the foregone conclusion the league table might suggest.
(14) The Hamilton-Wentworth regional health department was asked by one of its municipalities to determine whether the present water supply and sewage disposal methods used in a community without piped water and regional sewage disposal posed a threat to the health of its residents.
(15) We investigated the incidence of skin cancer among patients who received high doses of PUVA to see whether such incidence increased.
(16) There is, however, conflicting evidence as to whether squamous cell NPCs are also EBV-associated.
(17) One of the most interesting aspects of the shadow cabinet elections, not always readily interpreted because of the bizarre process of alliances of convenience, is whether his colleagues are ready to forgive and forget his long years as Brown's representative on earth.
(18) The authors describe the special medical expertise of the psychiatrist and define 11 indicators, such as a patient's need for new psychotropic medication or the presence of symptoms requiring medical or laboratory procedures, that can be used to determine whether psychiatric expertise is needed.
(19) It was not clear whether Mn2+ acted at the presynaptic membrane, the postsynaptic membrane or both.
(20) Thus it is unclear how a language learner determines whether German even has a regular plural, and if so what form it takes.