What's the difference between occasionally and seldom?

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.

Seldom


Definition:

  • (a.) Rare; infrequent.

Example Sentences:

  • (1) This scintigraphic localization of osteomyelitis seldom has been reported.
  • (2) Women seldom occupy higher positions in a [criminal] organisation, and are rather used for menial, but often dangerous tasks ,” it notes.
  • (3) Survival and healing of "extremely severe" grade intoxication can only be obtained through a surgical intervention within the first hours; a laparotomy will indicate the depth of the lesions, which is not determined by endoscopy, and will consist of Celerier's stripping method and if necessary a gastrectomy, more seldom a cephalic duodeno-pancreatectomy.
  • (4) Sensitivity and specificity were enhanced when we linked multiple predictors, but this linkage was seldom successful because few patients had more than one positive predictor.
  • (5) Data from cases with myocardial bridges show that both fatty streaks and raised lesions are seldom observed in the region distal to myocardial bridge.
  • (6) This suggests that common food additives are seldom if ever of significance as precipitating factors in chronic urticaria or atopic dermatitis.
  • (7) The pronostic is related to the risk seldom degenerate.
  • (8) Cavernous hemangiomas of the brain stem are usually discovered accidentally during evacuation of a hematoma, and successful surgical treatment of these lesions is seldom achieved.
  • (9) Older animals seldom have a single disease, but rather each one represents a unique combination of varying levels of loss of function at both the cellular and systems level.
  • (10) More specifically, disfigurement seldom was mentioned as a reason for not returning to work and for not participating in social activities with work mates, friends, relatives, and society in general.
  • (11) Partial scrotal loss is seldom a problem, as local flaps and closure of the defect with the remaining scrotal skin can usually be accomplished.
  • (12) In the WikiLeaks cables, the US ambassador in Berlin characterised the chancellor as "risk-averse and seldom creative".
  • (13) It was demonstrated that administrative and ward work constituted the greater part of the activities studied, contact on the other hand being only seldom observed.
  • (14) This event is seldom; only 38 cases of true spontaneous rupture of the spleen in infectious mononucleosis could be found when the literature was reviewed.
  • (15) The neurotologic evaluation is negative and attempts to establish an etiology are seldom fruitful.
  • (16) Although a large population can be healthy for the economy, this seldom seems to be the case in developing countries because of the restricted availability of resources.
  • (17) The main advantage of this classification is that it can be used even in places where postmortems are seldom performed.
  • (18) Because cavernous malformations are often angiographically occult and do not have a characteristic appearance on computed tomography (CT), they are seldom recognized preoperatively and may be missed if the surgical specimen is not carefully reviewed.
  • (19) Although psychiatric symptoms are common among elderly individuals, these symptoms are seldom treated by psychotherapy.
  • (20) Hemangiopericytoma seldom originates from the lung.