(1) One type of short-axon horizontal cell (HC) and one type of axonless HC are described in the retina of Carinae noctua, a crepuscular bird and Tyto alba, a pure nocturnal bird.
(2) Yet it is ever more dissected by hacks and bloggers who pretend to be heretical but are just gossip merchants who never question the deep structures of governance and merely legitimate their own crepuscular existence.
(3) "Late" like the autumnal, musical Eliot of Four Quartets; like the demanding, crepuscular Beethoven quartet the film's characters rehearse for their silver-anniversary performance (String Quartet No 14 in C sharp minor – menacingly referred to as "Op 131"); and "late" in the connected senses of former or dead, which this quarrelsome foursome soon might be if they fail to recover their harmony.
(4) To describe his work in progress, he jotted down a list of hyperbolic adjectives: "Astounding, extraordinary, surprising, superhuman, supernatural, unheard of, savage, sinister, formidable, gigantic, savage, colossal, monstrous, deformed, disturbed, electrifying, lugubrious, funereal, hideous, terrifying, shadowy, mysterious, fantastic, nocturnal, crepuscular."
(5) Hourly sampling with human bait showed a bimodal pattern, with a greater peak in the evening crepuscular period.
(6) Malaise-trapped females showed a distinct crepuscular peak of host-seeking activity.
(7) Whereas in humans the retinal sampling frequency approaches the optical cut-off frequency quite closely, in diurnal insects of both types the image is undersampled by a factor of 2-3, and in crepuscular spiders this factor may be greater than 100.
(8) Paranoid reaction may get closer to hysterical crepuscular states.
(9) Longterm castrates (under LD 8:16) displaying either predominantly diurnal or crepuscular activity were implanted with either empty Silastic capsules or capsules containing testosterone.
(10) Errol Morris , a respected documentarian himself and one of the film's executive producers (along with Werner Herzog ), defended the film on the grounds that "by re-enacting the murders … [we] could become reconnected to a history that had nearly vanished into a crepuscular past."
(11) The superposition eye of the cockchafer, Melolontha melolontha, exhibits the typical features of many nocturnal and crepuscular scarabaeid beetles: the dioptric apparatus of each ommatidium consists of a thick corneal lens with a strong inner convexity attached to a crystalline cone, that is surrounded by two primary and 9-11 secondary pigment cells.
(12) We found that the gerbil in captivity, unlike most rodents that are nocturnal, is a crepuscular animal, being more active at the transitions between light and dark.
(13) Repellency was determined during a 2 h crepuscular period using volunteers who had been treated with repellents 6, 8, 10, and 12 h prior to the end of each test period.
(14) Biting occurred during the day with early morning and late afternoon peaks and continued into the crepuscular period.
(15) Castrates showed a trend toward increased crepuscular preference.
(16) The present experiments were designed to examine the effects of various durations of day- and night-time exposures to low intensity (1.0 gauss rms) 60 Hz magnetic fields on light (L) and dark (D) period opioid-mediated aversive thermal ('nociceptive') responses and morphine-induced 'analgesia' in the nocturnally-crepuscularly active land snail, Cepaea nemoralis.
(17) Green sunfish actively avoided temperatures exceeding 30.3 degrees C and below 26.5 degrees C and had a median preferred temperature of 28.2 degrees C. Temperature preference did not vary significantly during the diel period even though locomotory activity patterns were markedly crepuscular.
(18) The effects of various durations (0.5, 2, 12, 48, or 120 h) of day- and night-time exposures to a 1.0 gauss (rms) 60-Hz magnetic field or sham field on mortality levels in the nocturnally-crepuscularly active land snail, Cepaea nemoralis, were examined.
(19) In relation to the vespertine crepuscular period, precrepuscular peaks were observed in the highland area.
(20) Animals with testosterone implants displayed increased preference for nocturnal and decreased preference for crepuscular activity as compared to controls.
Dusk
Definition:
(a.) Tending to darkness or blackness; moderately dark or black; dusky.
(n.) Imperfect obscurity; a middle degree between light and darkness; twilight; as, the dusk of the evening.
(n.) A darkish color.
(v. t.) To make dusk.
(v. i.) To grow dusk.
Example Sentences:
(1) Undaunted by the sickening swell of the ocean and wrapped up against the chilly wind, Straneo, of Woods Hole Oceanographic Institution, one of the world's leading oceanographic research centres, continues to take measurements from the waters as the long Arctic dusk falls.
(2) Mosquito infection occurred primarily around dusk, the same period during which A. robustus and E. serrulatus were most abundant near the surface of the pond.
(3) Activity was stimulated by the change in illumination levels at dawn and dusk.
(4) The time-related incidence of these cells entities--the appearance of "dusk" and "bright" cells at 5 min, transitory domination of "bright" cells and the nadir of "dusk" cells at 20 min, sporadic recognition of "bright" cells, lack of "dusk" cells at 45 min and the absence of both cell forms at 180 min--displayed that LP-reactive response promptly appeared and rapidly ceased.
(5) For all its posing and grooming, there are no nightclubs - the only flashing lights along this coast are the glowworms strobing across the grass at dusk.
(6) Ten minutes' walk away is the wonderful Blaise Hamlet (open dawn until dusk).
(7) I shall never forget a cherry tree in Kyoto lit with braziers at dusk.
(8) (Nine-year-olds were discovered picking spring onions from dawn till dusk in freezing weather in Worcestershire last year.)
(9) Sixty-nine patients reported no symptoms of night blindness and 116 patients claimed no visual field changes; 90 stated that they saw better at dusk.
(10) Her most memorable film role to date has been dancing with a python in a state of undress in the vampire movie From Dusk Till Dawn.
(11) "Hegel once said wisdom was like an owl, and that it took flight only at dusk.
(12) The final picture shows Blackpool Tower at dusk with the seafront illuminations.
(13) Mighty Deer Stalker Tough 10km off-road (and very muddy) run in Peeblesshire, Scotland, which starts at dusk.
(14) As dusk fell across the city a motorcade of flashing lights and sirens escorted him to the airport, where he thanked his hosts and organisers and the vice-president, Joe Biden, escorted him to the plane.
(15) In Fourier's ideal world, one might kick off with gardening in the morning, try some politics, shift on to art around lunchtime, spend the afternoon teaching and wind things up with a go at chemistry at dusk.
(16) The city, one of the largest Kurdish bastions of resistance to Isis in northern Syria, was shaken by heavy shelling from the advancing militants at dusk on Friday, sending plumes of smoke skywards and more refugees scrambling across the border into Turkey .
(17) A reason for the higher amplitude variation of melatonin in the natural lighting conditions may be the gradual changes of illuminance at dawn and dusk.
(18) At dusk on 10 September last year, a few weeks after the juvenile birds had successfully left their nest, the 9.5g tag on Sky’s leg abruptly stopped transmitting.
(19) His offices released statements about meetings with cabinet ministers to discuss issues such as the availability of basic food items during Ramadan when Muslims feast on food after a day of dawn-to-dusk fasting.
(20) "Fabrice always wanted it to be dusk," said Jenna Thiam, who plays 19-year-old Léna, one of the twin girls at the centre of the drama.