What's the difference between occasionally and optionally?

Occasionally


Definition:

  • (adv.) In an occasional manner; on occasion; at times, as convenience requires or opportunity offers; not regularly.

Example Sentences:

  • (1) Histiocytes, lymphocytes, immunoblasts, and plasma cells were present in expanded paracortical regions which encroached on, and occasionally effaced, lymphoid follicles.
  • (2) While they may always be encumbered by censorship in a way that HBO is not, the success of darker storylines, antiheroes and the occasional snow zombie will not be lost in an entertainment industry desperate to maintain its share of the audience.
  • (3) Occasional vomits occur postoperatively in over half of patients but we are sceptical of the value of graded postoperative feeding regimens.
  • (4) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
  • (5) Our interest in the role of association brain structures during this behavior is not occasional.
  • (6) The region of the tentorium and straight sinus can occasionally give rise to a vermiform appearance (the "AVM artifact").
  • (7) It should also be realised that, in a very few hospitals, swabs which do not have an opaque marker may occasionally be used in theatre.
  • (8) He was often detained and occasionally beaten when he returned to Minsk for demonstrations, but “if he thought it was professional duty to uncover something, he did that no matter what threats were made,” Kalinkina said.
  • (9) Tissue sections, taken from foliate and circumvallate papillae, generally revealed taste buds in which all cells were immunoreactive; however, occasionally some taste buds were found to contain highly reactive individual cells adjacent to non-reactive cells.
  • (10) Her success has not been universally welcomed - anonymous colleagues are occasionally quoted in the media portraying her as "ambitious" and "bossy".
  • (11) Strains showing occasional antagonism at a particular proportion of concentrations of the test combination, were found to only be indifferent when the mean index of the fractional inhibition concentration of all checkerboard combinations was calculated.
  • (12) Occasionally, these aggregates coagulate and contract into a dense gel in the absence of MgATP or CaATP.
  • (13) The virus neutralizing (VN) titers were occasionally lower where the polyvalent vaccines were used when compared to those from chickens given the monovalent vaccines.
  • (14) Combining drugs may only occasionally be advisable to supplement a desired effect or to attenuate an unwanted one.
  • (15) Stimulation of this mechanism produced an average 58.9% reduction of the heart rate (calculated from 55 responsive points having more than 40% reduction) associated mostly with hypotension, or no change or occasionally a slight increase of the arterial blood pressure.
  • (16) In the progeny of the surviving males, neither translocations nor independent fragments are found; indirect evidence indicated the occasional presence of inversions.
  • (17) Occasionally symptomatic kinking of the internal carotid artery will require correction.
  • (18) At thoracic levels occasional neurons of the intermediolateral column cell group were NGF receptor positive.
  • (19) The PAF receptor antagonist SRI 63-072 in a dose of 0.6 mg, reversed by 70% the reduction of coronary flow within 2-4 min after its addition to the perfusate; ED50 was 0.4 mg. Bradycardia and arrhythmia were reduced; however, the normal electrical activity was only occasionally restored.
  • (20) Staphylococci were the predominant inhabitants of normal skin, whereas micrococci were found only occasionally in this environment.

Optionally


Definition:

  • (adv.) In an optional manner.

Example Sentences:

  • (1) Meanwhile Bradley Beal has developed into a dangerous second option and complementary sidekick in exactly the same way that Dion Waiters hasn't for the Cleveland Cavaliers.
  • (2) With attention to proper performance and patient selection, spinal and epidural anaesthesia are safe and efficacious options when choosing anaesthetic technique.
  • (3) Chris Pavlou, former vice chairman of Laiki, told Channel 4 news that Anastasiades was given little option by the troika but to accept the draconian terms, which force savers to take a hit for the first time in the fifth bailout of a eurozone country.
  • (4) By using these larger catheters, the surgeon will not lose the option of using isosmotic preparations.
  • (5) The dumplings could also be served pan-fried in browned butter and tossed with a bitter leaf salad and fresh sheep's cheese for a lighter, but equally delicious option.
  • (6) Proper treatment of postoperative atelectasis requires adequate patient assessment and knowledge of the therapeutic options.
  • (7) We know that from the rapid take up of crowd funded renewables investors are actively looking for a more secure option.
  • (8) Steps in the decision-making process, as well as options to be considered, are detailed.
  • (9) RF ablation appears to be a safe and effective therapeutic option for drug-resistant ectopic atrial tachycardia and may be the preferred first-line therapy for those patients with depressed ventricular function.
  • (10) Endoscopic coagulation is a useful adjunct in the treatment of this condition, and is safe, effective, and leaves other options open.
  • (11) The main benefit of the newer drugs is that they offer new options for the treatment of patients who cannot tolerate side effects of the traditional drugs or have responded unsatisfactorily to them.
  • (12) Available evidence suggests that the medical outcome between these two options is similar; this study was designed to investigate selected psychosocial outcomes.
  • (13) The literature is reviewed with respect to treatment options and prognostic factors.
  • (14) The protein variation potentially includes N-terminal differences coded for by transcript-specific 5' exons and internal differences arising from the optional inclusion of a 39 base-pair exon and from the alternative use of two 3' splice sites separated by six base-pairs.
  • (15) This study investigates neophyte student nurses' attitudes to working with the elderly through placing them in relation to attitudes to other nursing career options and by exploring student nurses' reasons for such attitudes.
  • (16) Alternative management options, 6 month mortality and costs for the post-myocardial infarction patient were compared.
  • (17) 'don't know' options) students were able to increase their score significantly and the rank order of the students in class is changed.
  • (18) Another feature of TWINAN90 is the optional output of a pedigree file which can be read by the quantitative genetics package FISHER.
  • (19) Procurement has already brought down prices in foster care significantly in recent years, so differences between the costs of placement options may now be marginal.
  • (20) Operative decompression is in most cases the only therapeutic option.

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