(n.) One of the Rotifera. See Illust. in Appendix.
Example Sentences:
(1) Lifespan is strongly correlated (0.7009) with the length of the reproductive period in the rotifer Asplanchna brightwelli.
(2) Two possible mechanisms are discussed to explain these results: (1) cortisone stabilization of lysosomal membranes, or (2) recognition of cortisone as a hormone capable of altering resource allocation by the rotifers.
(3) The rate of lipid peroxidation (LP) was measured in rotifers reared under conditions of continuous darkness (D:D), dietary restriction, vitamin E supplementation, or elevated temperatures.
(4) They show the same buoyant density as chitin and also as the chitin-containing layers of rotifer egg-shells.
(5) The rotifer Asplanchna releases into its environment a water-soluble, nondialyzable, pronase-sensitive factor which causes uncleaved eggs of another rotifer, Brachionus calyciflorus, to develop into individuals with a pair of long, movable spines which neither their mothers nor the unaffected controls have.
(6) The jaws (trophi) of the rotifer Brachionus plicatilis are soluble in strong acids but are resistant to long treatments by strong alkali.
(7) Both high and low temperatures increased rotifer sensitivity to reference toxicants.
(8) To account for the mechanism of this unusual and novel effect it is proposed that these compounds interact with the anesthetic binding site of the rotifer cholinoceptor ionophore in the open state.
(9) It was shown by means of radiolabelling with 45 calcium that the rate of calcium accumulation in chelation-treated rotifers was markedly lower than in the untreated controls.
(10) Cortisone at 100 and 200 microM concentrations produced a significant increase in both life span and reproduction in the rotifer Asplanchna brightwelli.
(11) Extensions of life-span and reproductive period were achieved in the rotifer Mytilina brevispina var redunca by regular brief immersions in solutions of one of the following chelating agents, sodium citrate, sodium tartrate, EDTA, and EGTA.
(12) A number of compounds showing general anesthetic action in the rotifer Brachionus calyciflorus were investigated in the presence of acetylcholine.
(13) In the summer of 1982-1983 it was observed an impairment on the daily cercarial harvests which was related to ambient temperature increase, and the presence of rotifers in the aquaria water.
(14) The magnitude of cannibalism in this rotifer may be dependent upon a complex suite of heterogeneous predator-prey interactions and greatly affected by shifting densities and distributions of different clones and female morphotypes.
(15) No response was observed when rotifers were exposed to aluminum chloride, mercury chloride, pentachlorophenol, sodium arsenite, sodium azide, sodium dodecyl sulfate, or zinc chloride.
(16) Examples are provided, derived from populations having rather different lifespans such as rotifers, flies, rats and horses.
(17) Furthermore, significant quantities of calcium, which increased throughout the life-span, were withdrawn from rotifers at chelation.
(18) The rotifer Asplanchna brightwelli shows a continuous decline in swimming activity through the course of its 5-day life span.
(19) The presence of acetylcholine in the culture medium was found to result in egg retention in the bdelloid rotifer Philodina acuticornis in a dose-dependent fashion, with no other discernible physiological effect.
(20) The results of this study indicate that levels of the SOR and lipid peroxides are coupled to rotifer life-span and that activation of phospholipase A2 may contribute to the elevation of these agents in older animals.
Wheel
Definition:
(n.) A circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a mill, of a watch, etc.
(n.) Any instrument having the form of, or chiefly consisting of, a wheel.
(n.) A spinning wheel. See under Spinning.
(n.) An instrument of torture formerly used.
(n.) A circular frame having handles on the periphery, and an axle which is so connected with the tiller as to form a means of controlling the rudder for the purpose of steering.
(n.) A potter's wheel. See under Potter.
(n.) A firework which, while burning, is caused to revolve on an axis by the reaction of the escaping gases.
(n.) The burden or refrain of a song.
(n.) A bicycle or a tricycle; a velocipede.
(n.) A rolling or revolving body; anything of a circular form; a disk; an orb.
(n.) A turn revolution; rotation; compass.
(v. t.) To convey on wheels, or in a wheeled vehicle; as, to wheel a load of hay or wood.
(v. t.) To put into a rotatory motion; to cause to turn or revolve; to cause to gyrate; to make or perform in a circle.
(v. i.) To turn on an axis, or as on an axis; to revolve; to more about; to rotate; to gyrate.
(v. i.) To change direction, as if revolving upon an axis or pivot; to turn; as, the troops wheeled to the right.
(v. i.) To go round in a circuit; to fetch a compass.
(v. i.) To roll forward.
Example Sentences:
(1) By the 1860s, French designs were using larger front wheels and steel frames, which although lighter were more rigid, leading to its nickname of “boneshaker”.
(2) From the standpoint of breakeven facts and resource efficiency the minicenter and clinic-on-wheels were similar and superior to the other two.
(3) Among the improved patients, eight became ambulatory and independent in activities of daily living (ADL), eight became independent from a wheel-chair level, and eight returned home or to the community.
(4) This is where he would infuriate the neighbours by kicking the football over his house into their garden; this is Old Street, where his friends would wait in their car to whisk him off to basketball without his parents knowing; Pragel Street, where physiotherapists spotted him being wheeled in a Tesco shopping trolley by friends and suggested he took up basketball; the Housing Options Centre, where he sent a letter forged in his father's name saying he had thrown 16-year-old Ade out and he needed social housing.
(5) The chicks were individually placed in running wheels for 2 x 1 hr, 24 hr before testing.
(6) A total of 60 male Sprague-Dawley rats were randomly assigned at 6 weeks of age to a sedentary control group (n = 22) or to a group with unlimited access to a running wheel (n = 38).
(7) The relatively conservative behavior of these mice in selecting between multiple sources of food and water and different types of activity wheels suggests the need for careful experimental design in free-choice studies with inexperienced animals.
(8) Of course, if the wheels are falling off the regime, people will try to find a way out, but it is much more likely that they will simply defect, rather than try to pull off a coup and then negotiate a deal for the regime.
(9) The pressure sore resulted from the commonly practised habit of grasping the upright of the wheel chair with the upper arm in order to gain stability.
(10) Blinded female reats were placed in running-wheel cages to monitor the phase of their activity cycle.
(11) Cells have been injected iontophoretically with the calcium sensitive metallochromic dye arsenazo III and changes in differential absorbance have been measured using a spinning wheel microspectrophotometer.
(12) Motor vehicle occupants may suffer severe cervical airway injuries as the result of impaction with the steering wheel, dashboard, windshield, backseat, and seat belt.
(13) The 2008 financial crisis saw countries adopt extreme measures to keep the economic wheels turning, for example by reducing interest rates to record lows , pumping billions into the system through quantitative easing in the US, Japan, the UK and the euro-area, and striking trade deals to open markets further.
(14) The causes of barotrauma were: 1) Undue length of the tube pressed by machine's wheel which connect the ventilator to the anesthesia machine.
(15) The role of steering wheel design in maxillofacial trauma is discussed and new solutions briefly reviewed.
(16) For US allies, trying to follow Washington’s lead over the past four months has been akin to trying to drive in convoy behind a car swerving violently at high speed, as the competing factions inside lunge for the steering wheel.
(17) Last month, neighbours watched in silence as her bloodstained body was wheeled out of the front door of the small house she shared with her two daughters on the outskirts of the Honduran capital of Tegucigalpa.
(18) This tends to push buyers behind the wheel of a diesel, which usually produces less CO2 than an equivalent petrol.
(19) Towards the end, as entire eras wheeled past in a blur, I realised the programme itself would outlive me, and began desperately scrawling notes that described the broadcast's initial few centuries for the benefit of any descendants hoping to pick up from where I left off.
(20) But it also succeeded by elevating the likes of Luke Skywalker and Han Solo to the kind of status usually reserved for totemic superheroes such as Batman, Superman and Spider-Man, characters destined to be wheeled out time and time again in different big screen iterations.