(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).
Culmination
Definition:
(n.) The attainment of the highest point of altitude reached by a heavently body; passage across the meridian; transit.
(n.) Attainment or arrival at the highest pitch of glory, power, etc.
Example Sentences:
(1) Beckham's decision marks the culmination of a strategy aimed at preserving his brand long after the footballer has faded.
(2) A hypothetical scheme is presented that pursues the processes involved in invasion from the biochemical events generated by attachment of the parasite, to the steric rearrangement of red cell membrane proteins, which culminates in invasion.
(3) He'd later carry this over into Netflix's House Of Cards but before that, TV had already begun to emulate this new, bleak, antiheroic maturity with a cycle of dark, longform, acclaimed dramas, commencing with The Sopranos and culminating in Breaking Bad .
(4) Fox will be accompanied by the sporting director, Hendrik Almstadt, on the back of the 1-1 draw against Wycombe Wanderers in the FA Cup on Saturday, when their failure to beat a League Two side culminated in angry scenes involving the away supporters.
(5) It was found that: the two cell types have the same basal adenylate cyclase activity; prespore cells and prestalk cells are able to relay the extracellular cAMP signal equally well; intact prestalk cells show a threefold higher cAMP phosphodiesterase activity on the cell surface than prespore cells, whereas their cytosolic activity is the same; intact prestalk cells bind three to four times more cAMP than prespore cells; no large differences in cAMP metabolism and detection were observed between cells derived from migrating slugs and culminating aggregates.
(6) Despite a dreadful end to last season, culminating in a 6-1 defeat at Stoke City, FSG are pressing ahead with transfer plans agreed with Rodgers, indicating the manager’s position is safe at the moment.
(7) After standardized observation of mating behavior culminating in ejaculation and a sperm plug, females were allowed to produce litters in undisturbed conditions.
(8) As culmination proceeds, pstA cells transform into pstB cells by activating the ecmB gene as they enter the stalk tube.
(9) Significant numbers of PFC were encountered in the spleen as early as 14 to 18 hours after a single intravenous injection of antigen; after 36 hours the number of PFC rose rapidly and culminated in a maximum population at 5 days, followed by a rapid decline and plateau similar to that for circulating antibody.
(10) Richard Betts, a climate expert at the Meteorological Office and one of about 130 senior authors of Friday's report, said: "This is the culmination of three years' work.
(11) It will feature in meetings of the G8 group of industrialised countries, and the Tokyo international conference on African development, culminating in the Brussels meeting on the new deal for fragile states.
(12) At the culmination of each molt, the larval tobacco hornworm exhibits a pre-ecdysis behavior prior to shedding its old cuticle at ecdysis.
(13) This diplomatic battle culminated last year in the signing of a peace agreement between the rebels and the government which imposed an immediate ceasefire, and was supposed to lead to a government of national unity with Machar once again in the vice-president’s office.
(14) Several lines of experimental evidence suggest that an anterior-posterior gradient of cyclic AMP exists in migrating pseudoplasmodia of the cellular slime mold Dictyostelium discoideum, and that this gradient may be responsible for control of the proportions of stalk and spore cells that form during culmination.
(15) The Hanover action was, she says, the culmination of years of protests and training, the result of tactics that have evolved from action to action.
(16) But relations have steadily improved, as did the Vatican’s influence, culminating in last December’s deal with the US.
(17) His comic adventures are too many to relate, but it may be said that they culminate in a café of 'singing waiters' where, after a wealth of comic 'business' with the tray, he shows his disdain for articulate speech by singing a vividly explicit song in gibberish.
(18) Enzyme activity in developing spore cells increased 10-fold during differentiation from myxamoebae (0 h) to the culmination stage (20 h) and decreased slightly at sorocarp (24 h).
(19) In 1993, at the Branch Davidian religious compound outside Waco, Texas, the Bureau of Alcohol, Tobacco and Firearms didn’t wait for the sect leader, David Koresh, to leave before attempting to arrest him and got into a gun battle that claimed 10 victims and led to a disastrous 51-day siege culminating in dozens more deaths.
(20) We propose a model whereby a protein repressor, under the control of PKA, inhibits precocious induction of stalk cell differentiation by DIF and so regulates the choice between slug migration and culmination.