What's the difference between bridgehead and end?

Bridgehead


Definition:

  • (n.) A fortification commanding the extremity of a bridge nearest the enemy, to insure the preservation and usefulness of the bridge, and prevent the enemy from crossing; a tete-de-pont.

Example Sentences:

  • (1) The findings suggest that a brief hospitalization, perhaps two to three days, might be regularly utilized as a bridgehead for further ambulatory care, particularly for stress category patients with a high appointment failure rate.
  • (2) It could also perhaps afford the premium that Setanta's backers would be looking for in return for a bridgehead into the UK market.
  • (3) Several bridgehead nitrogen heterocycles were synthesized to be screened as antimicrobial agents, modeled after nalidixic acid.
  • (4) The secretary of state and national security adviser, Henry Kissinger, was an admirer and anxious that no bridgehead for the left should be established in Latin America by President Allende.
  • (5) Results obtained with these assays indicate that all peptides with a disulfide bridgehead in position 11 are inactive and that a cycle between positions 5 and 6 already strongly reduces the biological activity.
  • (6) This addition may result in the saturation of the bridgehead double bond, thus allowing the two triple bonds to approach each other, causing cyclization of the diyn-ene to form a phenylene diradical.
  • (7) All bornanedione isomers caused induction, and those with substituents on each of the three consecutive carbon atoms, including the methyl group at the bridgehead carbon, showed induction without supporting growth.
  • (8) The principal conflict is between the Saudis and Iran, which has established powerful political bridgeheads in Syria, Lebanon, Iraq, and Gaza.
  • (9) We need a lot of backing and support to fight against terrorism.” Kadyrov said : “Dostum noted that Isis is trying to make Afghanistan into a bridgehead … In order to prevent this threat, Kabul needs Russia’s support, as in Syria.” Sergei Lavrov, Russia’s foreign minister, says Moscow has not received a formal request for intervention from Kabul similar to that made by Syria’s president, Bashar al-Assad.
  • (10) Additionally, there is a new bridgehead further to remove employment protection in the labour market, trading employment rights for shares in the company.
  • (11) delta RM0 values of functional groups (methyl, ethyl, n-propyl, methylene, phenyl, benzyl, saturation) of nitrogen bridgehead compounds [PP = pyrido(1,2-a)-pyrimidine, THPP = tetrahydropyrido(1,2-a)-pyrimidine, CTM-PP = 2,3-cyclotrimethylpyrido(1,2-a)-pyrimidine, CTM-THPP = 2,3-cyclotrimethylenetetrahydropyrido(1,2-a)-pyrimidine, CTRM-PP = 2,3-cyclotetramethylenepyrido(1,2-a)-pyrimidine, CTRM-THPP = 2,3-cyclotetramethylene-tetrahydropyrido(1,2-a)-pyrimidine, CTRM-THPP = 2,3-cyclotetramethylene-tetrahydropyrido(1,2-a)-pyrimidine, THPQ = tetrahydropyrroloquinazoline-, HHAQ = hexahydroazepinoquinazoline-derivates have been calculated from difference of retention values measured on RP-di-C1 stationary phase using methanol + water mobile phases of 6 (10 respectively) various compositions and of retention values (RM0) extrapolated to 0% organic phase.
  • (12) The bonds from the bridgehead atom of the tricyclic ring to other ring atoms appear to be elongated [av.
  • (13) The molecules exist as hydrogen-bonded dimers [O14-H14...O16 (related by -x, 1-y, 1-z), O14...O16 2.775 (2), H14...O16 1.93 (2) A, O14-H14...O16 175 (2) degrees] which stack in columns along b. Distortion at the bridgehead double bond is observed.
  • (14) N-Demethylation of the bridgehead nitrogen was observed only in rat and hamster incubates.
  • (15) Structure determination has identified UK-63,052, C56H68N10O14S2, UK-63,598, C53H62N10O14S2 and UK-65,662, C55H66N10O14S2 as quinaldic acid substituted quinomycins with unusual bridgehead sulfur substitution as shown in Fig.
  • (16) We have synthesized a series of imidazo[4,5-b]- and -[4,5-c]pyridine analogues having an imidazo nitrogen relocated at the bridgehead position.
  • (17) And it’s clear that Cruz is establishing a bridgehead for the lessons of Latin America to find new relevance across what was once an unbridgeable divide.
  • (18) Initially, the neuroepithelial tissue of the rhombencephalon consists of a pair of rostral and caudal bridgeheads: the former the primary neuroepithelium of the cerebellum and the latter the primary neuroepithelium of the octavo-precerebellar system.
  • (19) However, Richard Brasher, chief executive of Tesco's UK operation, admitted that it needed to gain a bridgehead into exploiting growing consumer demand for accessing VoD content online in multiple formats and on different devices.
  • (20) The bridgehead atom of the alkene group, C7, has one short [C7--C6 1.485 (6) A] and one long [C7--C11, 1.541 (6) A] Csp2--Csp3 bond.

End


Definition:

  • (n.) The extreme or last point or part of any material thing considered lengthwise (the extremity of breadth being side); hence, extremity, in general; the concluding part; termination; close; limit; as, the end of a field, line, pole, road; the end of a year, of a discourse; put an end to pain; -- opposed to beginning, when used of anything having a first part.
  • (n.) Point beyond which no procession can be made; conclusion; issue; result, whether successful or otherwise; conclusive event; consequence.
  • (n.) Termination of being; death; destruction; extermination; also, cause of death or destruction.
  • (n.) The object aimed at in any effort considered as the close and effect of exertion; ppurpose; intention; aim; as, to labor for private or public ends.
  • (n.) That which is left; a remnant; a fragment; a scrap; as, odds and ends.
  • (n.) One of the yarns of the worsted warp in a Brussels carpet.
  • (v. t.) To bring to an end or conclusion; to finish; to close; to terminate; as, to end a speech.
  • (v. t.) To form or be at the end of; as, the letter k ends the word back.
  • (v. t.) To destroy; to put to death.
  • (v. i.) To come to the ultimate point; to be finished; to come to a close; to cease; to terminate; as, a voyage ends; life ends; winter ends.

Example Sentences:

  • (1) These included bringing in the A* grade, reducing the number of modules from six to four, and a greater attempt to assess the whole course at the end.
  • (2) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
  • (3) A full-length cDNA encoding porcine heart aconitase was derived from lambda gt10 recombinant clones and by amplification of the 5' end of the mRNA.
  • (4) The present findings indicate that the deafferented [or isolated] hypothalamus remains neuronally isolated from the environment if the operation is carried out later than the end of the first week of life.
  • (5) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
  • (6) The distance between the end of fic and the start of pabA was 31 base pairs.
  • (7) Further, at the end of treatment fewer patients had depressive symptoms and the total daily number of hours of wellbeing and normal movement increased.
  • (8) DI James Faulkner of Great Manchester police said: “The men and women working in the factory have told us that they were subjected to physical and verbal assaults at the hands of their employers and forced to work more than 80-hours before ending up with around £25 for their week’s work.
  • (9) One rare case of blind-ending branch originating in the upper third of the ureter are described.
  • (10) Mapping of the cross-link position between U2 and U6 RNAs is consistent with base-pairing between the 5' domain of U2 and the 3' end of U6 RNA.
  • (11) Anthropometric and nutritional (serum albumin and transferrin) values were normal in both groups both at the beginning and at the end of the treatment period.
  • (12) The following conclusions emerge: (i) when the 3' or the 3' penultimate base of the oligonucleotide mismatched an allele, no amplification product could be detected; (ii) when the mismatches were 3 and 4 bases from the 3' end of the primer, differential amplification was still observed, but only at certain concentrations of magnesium chloride; (iii) the mismatched allele can be detected in the presence of a 40-fold excess of the matched allele; (iv) primers as short as 13 nucleotides were effective; and (v) the specificity of the amplification could be overwhelmed by greatly increasing the concentration of target DNA.
  • (13) Noradrenaline (NA) was released from sympathetic nerve endings in the tissue by electrical stimulation of the mesenteric nerves or by the indirect sympathomimetic agent tyramine.
  • (14) The B cell epitopes included regions of transition between the more hydropathic (including the N-terminal end of the F1 and F2 protein) and hydrophilic sequences.
  • (15) According to the national bank, four Russian banks were operating in Crimea as of the end of April, but only one of them, Rossiisky National Commercial Bank, was widely represented, with 116 branches in the region.
  • (16) This paper reports, principally, the caries results of the first three surveys of 5, 12 and 5-year-olds undertaken at the end of 1987, 1988 and 1989, respectively.
  • (17) For dental procedures requiring tracheal intubation, one could perhaps use non-depolarizing muscle relaxants, like pancuronium, with reversal at the end of the procedure.
  • (18) For retrospective action to be taken, and an FA charge to follow, the decision of the panel must be unanimous.” The match between the sides ended in acrimony and two City red cards.
  • (19) The number of peripheral blood lymphocytes (PBL) producing IgM (spontaneous and pokeweed mitogen (PWM) stimulated) at the end of a seven day culture period was similar in PBC patients and control subjects while the amount of IgM synthesized (spontaneous and PWM stimulated) during this period was significantly greater in the patient group, implying that the amount of IgM produced per B cell was increased in PBC.
  • (20) ACh released from the vesicular fraction was about 100-fold more than could be accounted for by miniature end-plate potentials; possible causes of this overestimate are discussed.