What's the difference between pessimum and zenith?
Pessimum
Definition:
Example Sentences:
(1) Variants of mechanism of the response paradoxical weakening at the stimuli increase in conditions of parabiosis and pessimum of the neuro-muscular preparation, are regarded.
(2) The data obtained point out to participation of the synaptic potassium functional feedback (FF) in the phenomena of postactivational potentiation and presynaptic pessimum in the neuromuscular synapse.
(3) A constant temperature gradient is obtained by the irigation in a pessimum position with the head flexed 30 degrees to the front.
(4) The discovery of the intensity of repetitive stimulation pessimum and of the paradoxical response to stregthening of stimuli in a parabiotic nerve, is presented in historical aspect.
(5) With further increase of current strength to 0.9-1.1 mA the stress-induced rise in corticosteroids reduces and Wedensky pessimum is observed.
(6) There exist optimum and pessimum for learning PRCR values at different regimes of reinforcement.
Zenith
Definition:
(n.) That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; -- opposed to nadir.
(n.) hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity.
Example Sentences:
(1) The Cambridge-based couple felt ignored when tried to raise the alarm about the way their business – publisher Zenith – was treated by Lynden Scourfield, the former HBOS banker jailed last week, and David Mills’ Quayside Corporate Services.
(2) After 24 h of fasting the zenith was shifted to the beginning of dark period without any other changes.
(3) Clinical electroencephalography, which reached a zenith in the 1950s and 1960s, increased the range of diagnostic techniques available for a series of brain diseases and revolutionized the study of epilepsy.
(4) That triumphal speech was his apex, the acme, the zenith of his career.
(5) The circadian rhythm of PRL persisted throughout lactation as manifested by: (1) significantly higher mean nighttime than daytime PRL levels in the whole sample, despite higher daytime nursing durations; (2) the distribution of zenith levels which most frequently occur between 23.00 and 07.00 h, when nursing duration is lowest, and which are almost absent between 07.00 and 23.00 h, when nursing duration is highest, and of nadir levels, which have an opposite pattern; (3) spontaneous PRL surges that are more frequent, longer, and of higher magnitude at night than during the day, and (4) the larger magnitude of suckling-induced PRL release from late afternoon through the night compared to the morning in some women.
(6) The zeniths of the curves were recorded about 4--6 hours after the skin incision in both patient groups, despite the different duration of the operations.
(7) However, 1990 proved to be not only the Indy's circulation zenith but also a watershed for its publishing company as recession bit hard into revenue.
(8) After 48 h of fasting remarkable shifts were found resulting in a nadir at the beginning of dark period and a zenith at the middle of light period.
(9) The dying have much to teach the living: so in many ways, this project is the zenith of the Big Brother experiment.
(10) The kind of cinema that reached a zenith in Gillo Pontecorvo's Battle of Algiers .
(11) The cercal system, which may have evolved with the first terrestrial hexapods, reaches its zenith in the orthopteroid insects, but was replaced in holometabolan insects by visual startle mechanisms with descending giant interneurons.
(12) Population growth reached its zenith between 1950-70.
(13) We detected a consistent and significant (P less than 0.01) decline in plasma chromium after glucose administration, the nadir of the chromium response coinciding with the zenith of the glucose concentration.
(14) Thus, the ED30s constitute the "zenith" of an independent isobole in ED50 isobolograms.
(15) They reached a zenith during the Vietnam war when the US government allegedly conducted their highly classified Operation Popeye, an attempt to extend the monsoon season by cloud seeding in the hope of flushing out the Viet Cong.
(16) On Sunday, Mélenchon's star reached its zenith, when early results gave him 11.1% of votes, several percentage points lower than had been expected.
(17) Whereas phosphate has a marked circadian rhythmicity with a zenith between 1.00 and 8.00 hours, total calcium and albumin show a tendency to decrease between 20.00 and 6.00 hours.
(18) The zenith of suppressor activity was observed during most active infection, from 1 to 3 weeks after inoculation.
(19) At the zenith of a culture war, there’s seldom room for compromise.
(20) The highest pressures in the series (about 4 to 5 megaNewtons per square metre) were on the areas of thin fibrocartilage which were identified at the zenith of certain acetabula.