What's the difference between apex and summit?

Apex


Definition:

  • (n.) The tip, top, point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex, or tip, of a leaf.
  • (n.) The end or edge of a vein nearest the surface.

Example Sentences:

  • (1) After 1 year, anesthesia was induced with chloralose and an electrode catheter placed at the right ventricular apex.
  • (2) Following injections of HRP into the apex of the heart, the sinoatrial (SA) nodal region and the ventral wall of the right ventricle, we observed that HRP-labeled sympathetic neurons were localized predominantly in the right stellate ganglia, and to a lesser extent, in the right superior and middle cervical ganglia, and left stellate ganglia.
  • (3) It is therefore suggested that salt water adaptation triggers a cellular reorganization of the epithelium in such a way that leaky junctions (a low resistance pathway) appear at the apex of the chloride cells.
  • (4) When HRP was injected in the left ventricular wall or the apex, few labeled neurons were identified in the DMN.
  • (5) The length of the diaphragmatic wall of the heart in both the right and left ventricle was equal to the sum of the length of the inflow tract and the thickness of the ventricular wall at the apex.
  • (6) However, the external muscle fibers of the ventricles ran clockwise from base to apex toward the center of the vortex, which had a striking resemblance to the normal rather than the mirror image pattern.
  • (7) In the RAO view with the collimator flat against the chest there was better resolution of the cardiac apex.
  • (8) Their proliferating regions are located in the apex tip, where the various cells originate.
  • (9) In these tissues, the viral DNA replicated at the site of inoculation and was transported first to the roots, then to the shoot apex and to the neighboring leaves and the flowers.
  • (10) The vertical distances were compared with measurements taken from periapical radiographs between the apex of each mesial root and the superior border of the mandibular canal prior to sectioning.
  • (11) Three of six patients in whom treatment failed had disease at the vaginal apex.
  • (12) We recommend this skin incision for young patients with pneumothorax if the chest CT scan confirms that the bullae or blebs are localized to the apex of superior segment of the lower lobe.
  • (13) MRI only offered advantages over CT in lesions of the orbital apex, the upper part of the orbit, and in the diagnosis of inflammatory processes.
  • (14) In the accelerated protocol, one, two, and then three extrastimuli were introduced at each of three basic drive train cycle lengths (350, 400, and 600 msec) at the right ventricular apex; the procedure was repeated at a second right ventricular site.
  • (15) Magnetic resonance imaging of the chest in patients with lung cancer is being investigated, but current studies comparing it with CT demonstrate no definite advantage at this time, with the possible exception of the lung apex in which T1 weighted thin-section coronal views are useful.
  • (16) The apex to base lung distribution of 99Tcm-C and 81Krm appeared to be similar.
  • (17) If a web has a low apex angle and the skin is elastic, the length-width ratio may be as great as 1.5:1.
  • (18) Double product increase was inferior to that recorded before atenolol administration; the difference became significant after 2 months and reached its apex after 6 months of treatment.
  • (19) HRCT scans at the apex of the thorax in all nine patients scanned at this level showed that extrapleural fat with interspersed vessels accounted for most of the plain radiographic opacity.
  • (20) To determine if anodal excitation during bipolar stimulation facilitates the initiation of sustained monomorphic ventricular tachycardia, nonsustained polymorphic ventricular tachycardia, or repetitive ventricular responses, both bipolar and cathodal unipolar programmed ventricular stimulation with one to three extrastimuli delivered during ventricular pacing at two rates from the right ventricular apex were performed in 28 patients evaluated for spontaneous sustained ventricular tachycardia or ventricular fibrillation (11 patients), nonsustained tachycardia (eight patients), or syncope (nine patients).

Summit


Definition:

  • (n.) The top; the highest point.
  • (n.) The highest degree; the utmost elevation; the acme; as, the summit of human fame.
  • (n.) The most elevated part of a bivalve shell, or the part in which the hinge is situated.

Example Sentences:

  • (1) David Cameron last night hit out at his fellow world leaders after the G8 dropped the promise to meet the historic aid commitments made at Gleneagles in 2005 from this year's summit communique.
  • (2) Blood samples were collected from an antecubital vein at sea level (S1), in a base camp at 1515 m prior to the summit ascent (S2), on the summit at 3285 m after 6.5 hours of climbing (S3), at base camp immediately after the descent (S4), and at sea level following a trail descent from the base camp (S5).
  • (3) Herman Van Rompuy, the European Council president chairing the summit, hoped to finesse an overall agreement on the banking supervisor.
  • (4) Gordon Brown believes that the fact of the G20 summit has persuaded many tax havens, such as Switzerland and Liechtenstein, to indicate that they will adopt a more open approach.
  • (5) If you want to become a summit celebrity be sure to strike a pose whenever you see the ENB photographer approaching.
  • (6) The green fund contributions already announced (which include a $3bn pledge by the US and a $1.5bn pledge by Japan revealed during the G20 summit) “show very clearly that if we want the emerging countries and the more fragile countries to participate in this global growth, we have to ... support them,” Hollande said.
  • (7) The World Humanitarian Summit in May 2016 may be the most timely opportunity to make an honest appraisal of the effectiveness of the current system to deal with the sector’s “ new normal ” of finite resources and unlimited challenges.
  • (8) The work group, which will include Home Office representatives and other officials on the UK side, will meet before a White House summit on the issue next month.
  • (9) The agreement, hailed as a "landmark" deal and a breakthrough by politicians and the green lobby alike, came before a crucial EU summit opening in Brussels tomorrow at which 27 prime ministers and presidents are supposed to finalise an ambitious package to cut greenhouse gas emissions by 20% by 2020.
  • (10) It won't be worth putting away his travel bags after returning from Perth as the G20 summit in Cannes, France, beckons.
  • (11) Moscovici added that France wants the summit to set up a eurozone banking union, which would take on responsibility for propping up failing banks and guarantee depositors' savings across the 17 countries.
  • (12) The Rio+ 20 Earth summit could collapse after countries failed to agree on acceptable language just two weeks before 120 world leaders arrive at the biggest UN summit ever organised, WWF warned on Wednesday.
  • (13) Today, three years after the 2012 London summit, our partnership is stronger than ever.
  • (14) The Australian prime minister and the Russian president discussed the Malaysia Airlines tragedy during a 15-minute meeting on the sidelines of the Asia Pacific Economic Cooperation (Apec) summit on Tuesday.
  • (15) It’s not like we’re pushing our way in here,” said CEO Doug McMillon during this week’s sustainability summit at company headquarters in Bentonville, Arkansas.
  • (16) Talking ahead of a UN climate summit in Peru next month, Kim said he was alarmed by World Bank-commissioned research from the Potsdam Institute for Climate Impact Research in Germany, which said that as a result of past greenhouse gas emissions the world is condemned to unprecedented weather events.
  • (17) If you are the company deploying those technologies, there’s a massive opportunity.” A separate survey released earlier this week by the global accountability system CDP gives a more upbeat picture of business opinion regarding the Paris summit.
  • (18) After the Italian prime minister, Matteo Renzi, threatened to veto a deal with Turkey, a reference to media freedom was added to the final summit statement.
  • (19) The vast majority of members would rather have a quiet body, offering technical assistance here and there and convening an occasional summit.
  • (20) The home secretary, Theresa May, will attend a summit in Washington on tackling violent extremism, called by Barack Obama after the Charlie Hebdo murders in Paris.