What's the difference between wherein and whereon?

Wherein


Definition:

  • (adv.) In which; in which place, thing, time, respect, or the like; -- used relatively.
  • (adv.) In what; -- used interrogatively.

Example Sentences:

  • (1) In smooth muscles there is no organized sarcomere structure wherein the relative movement of myosin filaments and actin filaments has been documented during contraction.
  • (2) This was true in separate experiments, involving two mammary carcinomata and a 3-methylcholanthrene induced sarcoma, wherein the period of tumour growth in the parent line donor and F(1) hybrid recipient was varied.
  • (3) This article will review the orthopaedic conditions wherein ankle arthroscopy has utility, the advantages and disadvantages of arthroscopy, and nursing considerations for preoperative, intraoperative, and postoperative patient care.
  • (4) In the present series, microthromboses were obviously more frequent within the capillaries of organs such as the renal glomeruli or plexus chorioideus, wherein significant amounts of water are lost from circulating blood.
  • (5) Using the mathematical concept of the first and second derivatives, the point of inflexion is obtained, and interpreted as that condition wherein the individual utilizes with maximum efficacy the ingested nitrogen; nitrogen ingestion, which corresponds to that point, is therefore taken as the dietary nitrogen recommendation for the individual.
  • (6) A hypothesis has been proposed wherein EBV and other stimulants of B and T cells allow productive infection by the retrovirus and spread of HTLV-III throughout the helper T cell populations.
  • (7) The data support a view of stimulus-response coupling wherein protein kinase C is activated in parallel with the mobilization of arachidonate.
  • (8) We suggest that these phenomena are analogous to neon color spreading, wherein an interpretation of a transparent surface makes the properties of that surface, which are physically visible only inside the cross, appear to spread over its apparent extent.
  • (9) By ELISA wherein monoclonal antibodies specific for GPIIb (Tab) and specific for GPIIIa (AP3) were used to capture and hold antigens from a platelet lysate prepared under conditions that generate free GPIIb and GPIIIa, anti-Pena reacted with GPIIIa held by AP3 but not with GPIIb held by Tab.
  • (10) Two cases are presented wherein cesarean section was performed because of evidence of intrauterine growth retardation and antepartal fetal distress.
  • (11) We have investigated a remarkable family wherein pancreatic cancer has been documented through three generations, including progeny from two of the progenitor's three marriages.
  • (12) Selective autoantibody production was also observed in vitro, wherein GVH spleen cells produced high levels of IgG antibodies to total histones and denatured DNA but not to these non-nuclear protein antigens.
  • (13) We have formulated this calculation using the model-independent description of the angular potential wherein the angular potential is described by an expansion in a complete set of orthonormal functions with the expansion coefficients (or order parameters) determined by time-independent methods (Burghardt, T. P., 1984, Biopolymers, 23:2382-2406).
  • (14) After formation of lesions, the pattern of urine excretion showed a triphasic response consisting of (i) an immediate diuresis reaching a maximum within 4 days, (ii) an interphase of about 12 days wherein rates of urine flow were normal, and (iii) a final phase of permanent polyuria.
  • (15) Assay conditions were selected wherein no surface antibodies were detected in 33 control subjects younger than 20 years.
  • (16) A retrospective epidemiological study was carried out in Gurgaon District of Haryana, wherein data on malaria for a period of more than three decades (1958-1989) obtained from various sources were analysed.
  • (17) The batch of 147 undergraduate medical students (Group I) were trained in maternal and child health (MCH) by allotting them families study wherein either pregnant lady or a new born child was present.
  • (18) In order to evaluate the relative importance of these different sources of information, the authors have studied, retrospectively, results of 580 postmortem examinations performed at the Institute of Legal Medicine of Lisbon, wherein toxicologic analyses had been requested.
  • (19) We obtained mutants wherein a pleiotropic defect, i.e., the lack of induction with mitomycin C, is not restored by the recA+ DNA.
  • (20) The brain defects which include absent olfactory bulbs and tracts and hypoplastic commissures are compared to those defects seen in cases of alobar holoprosencephaly wherein severe defects of the ethmoid bone are concomitants.

Whereon


Definition:

  • (adv.) On which; -- used relatively; as, the earth whereon we live.
  • (adv.) On what; -- used interrogatively; as, whereon do we stand?

Example Sentences:

  • (1) With the patient in a supine position, the droplets could be positioned over the macula in the preretinal vitreous space, whereon the FTBA PO2 could be influenced by the preretinal oxygen concentration.
  • (2) The heart was the only one of all the internal organs whereon significant pathologic changes were observed during autopsy.