What's the difference between infrequent and sparse?

Infrequent


Definition:

  • (a.) Seldom happening or occurring; rare; uncommon; unusual.

Example Sentences:

  • (1) 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.
  • (2) Despite of the increasing diagnostic importance of the direct determination of the parathormone which is at first available only in special institutions in these cases methodical problems play a less important part than the still not infrequent appearing misunderstanding of the adequate basic disease.
  • (3) Significant side-effects occurred infrequently and only 2 children lost weight during the period of medication.
  • (4) At 7 days axonal swellings were infrequently observed and the main structural feature was a reduction in myelin thickness in affected nerve fibers.
  • (5) In view of its infrequent and vague presentation, care is required to avoid overlooking the diagnosis of abdominal tuberculosis, particularly in the immigrant population.
  • (6) Allelic complementation was not observed, despite testing of a large number of allele pairs, and alleles suppressible by the ochre suppressor SUP11 were absent from a sample of 48 spontaneous mutants and occurred infrequently (7%) among a sample of ultraviolet-induced mutants.
  • (7) Social isolation, characterized by extremely infrequent contacts with other people, affects approximately one out of ten elderly people.
  • (8) This device is a possible improvement in the treatment of infants needing long term venous access, although doctors should be aware of the infrequent complications.
  • (9) This has been infrequently reported to occur during general anesthesia and to cause respiratory embarrassment, representing a significant hazard.
  • (10) Although runaway is infrequent with current generation pacemakers, it should be considered in addition to the more common causes of pacemaker malfunction in the patient with appropriate symptoms.
  • (11) Unequivocal interstitial deposits were infrequent and IgM was present in blood vessels in one patient only.
  • (12) In contrast, control Y79 cells not exposed to medium conditioned by RPE cells exhibit only infrequent neuronal phenotypes.
  • (13) In a series of over 200 patients, raised values were found frequently in hepatobiliary disease and infrequently in bone disease.
  • (14) Further, from the plateau values of the ratios, it follows that the substrates dissociate very infrequently from the ternary complex and that at a low substrate concentration 72% of the reaction follows the pathway in which ATP adds first to the enzyme.
  • (15) We conclude that this neuropathy, which is quite different from the infrequent peripheral nerve syndromes previously described in this illness, is commonly present in late Lyme disease.
  • (16) Biopsy of lymph nodes or brain and serologic tests needed for definitive diagnosis were done infrequently.
  • (17) Hematological side effects of neuroleptic drugs occur infrequently but remain a potential cause of serious toxicity.
  • (18) Four peaks (I, II, III, V) were present in all recordings, and a fifth (IV) was present infrequently.
  • (19) The gonadotrophin response to oestrogen levels was temporarily or permanently disordered in all but 3 patients in this series, whereas an ovarian refractoriness to gonadotrophins was only infrequently observed.
  • (20) Interhemispheric subdural hematoma (ISDH), although not infrequent in children, has been rarely encountered in adults.

Sparse


Definition:

  • (superl.) Thinly scattered; set or planted here and there; not being dense or close together; as, a sparse population.
  • (superl.) Placed irregularly and distantly; scattered; -- applied to branches, leaves, peduncles, and the like.
  • (v. t.) To scatter; to disperse.

Example Sentences:

  • (1) Homozygotes have sparse greasy fur and lower viability and fertility than normal littermates.
  • (2) Fifteen days after axotomy of the olfactory nerves, two stained patterns which were numerously or sparsely labelled regions were observed.
  • (3) The capacity (Bmax) for [3H]ketanserin binding was significantly lower (-21%; p less than 0.05) in sparse fur animals than in control animals; there was no change in affinity (KD).
  • (4) Sparse cell plating densities were used to minimize cell-cell contact formation and all studies were carried out in chemically defined medium that contained a saturating amount of soluble growth factors.
  • (5) With this modification one obtains, for sparsely ionizing radiation, a quality factor which is proportional to the dose average of lineal energy, y.
  • (6) Long term data on thiazide monotherapy are sparse but suggest a persistence of the lipid effect for as long as 6 years of treatment.
  • (7) If a sparse crowd, shivering in suddenly chill conditions out of step with the warmth Edmonton had enjoyed in previous days, did not exactly help the atmosphere, the action remained intense.
  • (8) We have investigated alternative ways of showing variations in child health by using different aggregations of Enumeration Districts (ED) in a small, sparsely populated rural area.
  • (9) The literature on the possible risk of myasthenia gravis complicating pregnancy and delivery is sparse and partly contradictory but some of the reports on the number of perinatal and neonatal deaths are alarming.
  • (10) Fewer, but still ample numbers, of SP-reactive axons are present also in the ventral tegmental and retrorubral areas of the midbrain tegmentum and in the ventral pallidum of the basal forebrain, but only sparse ME-reactive axons are present in these areas.
  • (11) Histologically, vascular lesions such as vacuolization, degeneration and desquamation of the endothelium and hyalinization and necrosis of the muscular coat predominated, whereas reparatory reactions were relatively sparse.
  • (12) Two principal classes of striatum long axonal neurons (sparsely ramified reticular cells and densely ramified dendritic cells) were analyzed quantitatively in four animal species: hedgehog, rabbit, dog and monkey.
  • (13) Instead the government insists that the sparse legislative agenda reflected a streamlining of government priorities to help it better cope with the downturn.
  • (14) The situation of high cell density could be mimicked by the addition of glutaraldehyde-fixed cells to sparsely seeded proliferating cells.
  • (15) Delta opioid labeling was sparse throughout most of the hypothalamus; however, moderate binding densities were detected in the suprachiasmatic and ventromedial nucleus.
  • (16) Except for sparse labeling in lamina I in some of the cases and some minor differences rostrocaudally, the spinal distribution of labeling was similar to that from the other nerves investigated.
  • (17) This hypothesis is supported by the observation that the single cell type which continues to express the vimentin-IFAPa-400 combination in the mature heart is the Purkinje fibres, which are also subjected to high mechanical tensions but in which myofibrils are generally sparse compared to working myocytes.
  • (18) Collateral coronary blood flow was fairly sparse in most cases and in 4 left ventricular dysfunction of varying degree was present.
  • (19) The technique of long-term, open catheterization of the spinal subarachnoid space for infusion of analgesics in patients with refractory cancer pain is sparsely reported in the literature.
  • (20) A sparse adrenergic innervation of the detrusor muscle was found.