(a.) Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts.
(a.) Produced by accident; as, the occasional origin of a thing.
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.
Often
Definition:
(adv.) Frequently; many times; not seldom.
(a.) Frequent; common; repeated.
Example Sentences:
(1) Previous use of the drug is found in more than 50 per cent of the patients, and it was often followed by a neglected side-effect.
(2) Two of the largest markets are Germany and South Korea, often held up as shining examples of export-led economies.
(3) The pattern of the stressor that causes a change in the pitch can be often identified only tentatively, if there is no additional information.
(4) The sound of the ambulance frightened us, especially us children, and panic gripped the entire community: people believe that whoever is taken into the ambulance to the hospital will die – you so often don’t see them again.
(5) However, the groups often paused less and responded faster than individual rats working under identical conditions.
(6) But RWE admitted it had often only been able to retain customers with expired contracts by offering them new deals with more favourable conditions.
(7) These cells contained organelles characteristic of the maturation stage ameloblast and often extended to the enamel surface, suggesting a possible origin from the ameloblast layer.
(8) They can rarely be detected spontaneously but most often are provoked.
(9) Providers used the tests significantly more often to evaluate patients with cancer risk factors or for new patients.
(10) The younger patients more often experienced an acute arthritis with sacroiliitis resembling a reactive disease.
(11) Our findings indicate that Turner girls have a functional brain disorder more often than the controls, particularly at the occipital and parietal areas and in those with hemispheric differences most often in the right hemisphere.
(12) Lactate-induced anxiety and symptom attacks without panic were seen more often in the groups with panic attacks, but a full-blown panic attack was provoked in only four subjects, all belonging to the groups with a history of panic attacks.
(13) During these delays, medical staff attempt to manage these often complex and painful conditions with ad hoc and temporizing measures,” write the doctors.
(14) Women seldom occupy higher positions in a [criminal] organisation, and are rather used for menial, but often dangerous tasks ,” it notes.
(15) Delineation of the presence and anatomy of an obstructed, nonfunctioning upper-pole duplex system often requires multiple imaging techniques.
(16) Damage to this innervation is often initiated by childbirth, but appears to progress during a period of many years so that the functional disorder usually presents in middle life.
(17) Even today, our experience of the zoo is so often interrupted by disappointment and confusion.
(18) Diagnosis and identification of the site of the leak is often inaccurate, even with meticulous care given to placing and removing the nasal pledgets.
(19) He was reclusive, I know that, and he was often given a hard time for it.
(20) Also, it is often the case that trustees or senior leadership are in said positions because they have personal relationships with the founder.