What's the difference between necessary and supernumerary?

Necessary


Definition:

  • (a.) Such as must be; impossible to be otherwise; not to be avoided; inevitable.
  • (a.) Impossible to be otherwise, or to be dispensed with, without preventing the attainment of a desired result; indispensable; requiste; essential.
  • (a.) Acting from necessity or compulsion; involuntary; -- opposed to free; as, whether man is a necessary or a free agent is a question much discussed.
  • (n.) A thing that is necessary or indispensable to some purpose; something that one can not do without; a requisite; an essential; -- used chiefly in the plural; as, the necessaries of life.
  • (n.) A privy; a water-closet.
  • (n.) Such things, in respect to infants, lunatics, and married women, as are requisite for support suitable to station.

Example Sentences:

  • (1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (2) The low affinity of several N1-alkylpyrroleethylamines suggests that the benzene portion of the alpha-methyltryptamines is necessary for significant affinity.
  • (3) Intravesical BCG is clearly superior to oral BCG, and controlled studies have demonstrated that percutaneous administration is not necessary.
  • (4) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
  • (5) In practice, however, the necessary dosage is difficult to predict.
  • (6) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
  • (7) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
  • (8) If there is a will to use primary Care centres for effective preventive action in the population as a whole, motivation of the professionals involved and organisational changes will be necessary so as not to perpetuate the law of inverse care.
  • (9) Obamacare price hikes show that now is the time to be bold | Celine Gounder Read more No longer able to keep patients off their plans outright, insurers have resorted to other ways to discriminate and avoid paying for necessary treatments.
  • (10) Duesberg contends that HIV is neither necessary nor sufficient to cause AIDS.
  • (11) It is therefore necessary, to look at typical clinical manifestations, i.e.
  • (12) We have examined the in vitro membrane assembly characteristics of a variety of leader peptidase mutants and found that domains required for insertion in vivo are also necessary for insertion in vitro.
  • (13) Two hours after the administration, the combinations of ethanol plus diazepam and ethanol plus meclophenoxate impaired significantly the number of necessary repetitions.
  • (14) The first experiment gave good results, although only one participant had any previous experience of hinge axis location, and it is debatable whether or not this experience is necessary before satisfactory results can be obtained.
  • (15) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
  • (16) 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.
  • (17) Socio-economic improvement or behavioural changes appear necessary for the control of trachoma in endemic areas.
  • (18) This stimulation is mediated by one receptor with an apparent affinity of 3.3 X 10(-6) M. The hydroxyl group in the para position on phenylethanolamine was absolutely necessary to obtain an agonist whereas the meta hydroxyl group or the presence of a catechol almost suppressed the activity.
  • (19) Provided that adequate reflection is given and the appropriate moment chosen, it is well tolerated and provides all the necessary information.
  • (20) Total excisional biopsy is necessary to properly assess an adenoma microscopically.

Supernumerary


Definition:

  • (a.) Exceeding the number stated or prescribed; as, a supernumerary officer in a regiment.
  • (a.) Exceeding a necessary, usual, or required number or quality; superfluous; as, supernumerary addresses; supernumerary expense.
  • (n.) A person or thing beyond the number stated.
  • (n.) A person or thing beyond what is necessary or usual; especially, a person employed not for regular service, but only to fill the place of another in case of need; specifically, in theaters, a person who is not a regular actor, but is employed to appear in a stage spectacle.

Example Sentences:

  • (1) Based on the findings of our recent longitudinal study on the abnormalities of the dentition in cleidocranial dysplasia (CCD), a hypothesis has been proposed, which makes it possible to predict time of onset of formation of supernumerary teeth and their location in the jaws.
  • (2) In the remaining patients congenital and acquired osseous alterations, supernumerary scalene muscle, congenital fibrous bands were the etiologic factors.
  • (3) Examples include the specific pattern of hypodontia seen before the development of iris dysplasia in Rieger syndrome, and the presence of supernumerary teeth and facial osteomas preceding malignant transformation of intestinal polyps in Gardner syndrome.
  • (4) Osteopetrosis is diffuse and is associated with important metaphyseal widening as well as epiphyseal irregularities and often carpal and tarsal supernumerary bones.
  • (5) Thirty four individuals showed the standard karyotype 2K = 26M + 10A + (M)X + (A)Y + Bs (2n = 38 + Bs), where Bs are supernumerary chromosomes.
  • (6) The purpose of the present investigation was to describe the formation, maturation and eruption of the dentition, including supernumerary teeth in a sample of patients with cleidocranial dysplasia.
  • (7) Brilliantly fluorescent supernumerary chromocenters indistinguishable from the Y-chromatin have been often found electively in the thyroid nuclei.
  • (8) For differential diagnosis rudimentary supernumerary digit, cutaneous horn and granuloma pyogenicum are to be considered.
  • (9) They review the different symptoms, varietes and frequencies of supernumerary hepatic lobes.
  • (10) Supernumerary teeth were formed lingually and occlusally to the normal teeth.
  • (11) Previous studies have indicated that pregnant animals treated acutely with toxic levels of a variety of pharmacologically unrelated chemicals produced litters without a recognizable syndrome of defects, except for an increased incidence of supernumerary ribs (SNR).
  • (12) In 6 patients with proved supernumerary glands, total ischemia of the graft was not followed by significant changes in intact PTH.
  • (13) Only children who had both supernumerary teeth and congenitally missing teeth outside the area of the cleft alveolus were included.
  • (14) These are characterized by: (I) hyperdiploid karyotypes including one or more supernumerary ring chromosomes (5 cases); (II) diploid karyotypes with mostly balanced rearrangements involving 12q13-14 (13 cases), including the rearrangement t(3;12) (q27-28;q13-14) in 4 cases; (III) hypodiploid or diploid karyotypes with other aberrations than ring chromosomes or rearrangements of 12q13-14 (8 cases); and (IV) normal karyotypes (9 cases).
  • (15) Therefore, both types of voltage-dependence for sperm entry are present in oocytes, although the depolarization caused by a single sperm is not large enough to permit its entry, nor is the depolarization caused by many sperm sufficient to prevent the entry of supernumerary sperm.
  • (16) These results demonstrate that in the immature rat more than 50% of PCs are each innervated by at least two distinct CFs; later on, the disappearance of the supernumerary synapses between CF and PC leads, as early as day 15, to the one-to-one relationship between CF and PC.
  • (17) Report of a supernumerary extra chromosome der(11;22)(q23;q12) resulting from a balanced translocation in the mother.
  • (18) Recurrent hyperparathyroidism (four patients) was the major late postoperative complication, but was more frequently the result of a supernumerary or previously overlooked fourth parathyroid gland (three), than due to hyperplasia of residual parathyroid tissue (one).
  • (19) A supernumerary valvula of the pulmonary semilunar valve was found in a 51-year old, male Japanese.
  • (20) In order to directly evaluate the effects of sperm antibodies in human in vitro fertilization (IVF), the authors preincubated donor sperm in female sera containing sperm antibodies and then inseminated supernumerary human oocytes from a gamete intrafallopian transfer (GIFT) program.