What's the difference between occasionally and rarely?

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.

Rarely


Definition:

  • (adv.) In a rare manner or degree; seldom; not often; as, things rarely seen.
  • (adv.) Finely; excellently; with rare skill. See 3d Rare, 2.

Example Sentences:

  • (1) Guillain Barré syndrome following herpes zoster is rare and only 25 cases have been reported to date.
  • (2) Hypothyroidism complicated by spontaneous hyperthyroidism is an interesting but rare occurrence in the spectrum of autoimmune thyroid disorders.
  • (3) Oculomotor paresis with cyclic spasms is a rare syndrome, usually noticeable at birth or developing during the first year of life.
  • (4) The frequency of rare fragile sites was studied among 240 children in special schools for subnormal intelligence (IQ 52-85).
  • (5) Surgical repair of the rheumatologic should however, is performed rarely, and should be reserved for the infrequent cases that do not respond to medical therapy.
  • (6) Cor triatriatum (CT) is a rare congenital defect, surgically correctable, and sometimes difficult to diagnose by cardiac catheterization.
  • (7) During this period he developed autoimmune haemolytic anaemia, a rare complication of myelofibrosis.
  • (8) One rare case of blind-ending branch originating in the upper third of the ureter are described.
  • (9) This analysis demonstrated that more than 75% of cosmids containing a rare restriction site also contained a second rare restriction site, suggesting a high degree of CpG-rich restriction site clustering.
  • (10) These are rare tumours comparable to abdominal desmoid tumours.
  • (11) They can rarely be detected spontaneously but most often are provoked.
  • (12) A rare case of an extradural brucellosis granuloma in the thoracic region is presented.
  • (13) Massive osteoplastic bone tumor in hepatocellular carcinoma is very rare.
  • (14) Aneurysmal bone cyst is an uncommon benign lesion that rarely presents in the craniofacial region.
  • (15) Axons emerge from proximal dendrites within 50 microns of the soma, and more rarely from the soma, in a tapering initial segment, commonly interrupted by one or two large swellings.
  • (16) Useful studies on the relationship between these acute lesions and peptic ulceration are rare.
  • (17) calcium tung-state, rare-earths compounds, double halogenides.
  • (18) Spontaneous reports of suspected adverse reactions may be the only way of revealing very rare events but they present great difficulties of rational interpretation.
  • (19) Metastatic tumors of the small bowel from extra-abdominal sites are rare.
  • (20) Perinephric abscess is a rare condition; it may be acute, but can take a chronic and atypical course as a result of incomplete treatment with antibiotics.