(n.) Any crustacean of the family Astacidae, resembling the lobster, but smaller, and found in fresh waters. Crawfishes are esteemed very delicate food both in Europe and America. The North American species are numerous and mostly belong to the genus Cambarus. The blind crawfish of the Mammoth Cave is Cambarus pellucidus. The common European species is Astacus fluviatilis.
(n.) See Crawfish.
Example Sentences:
(1) Similar to intact crayfish, animals with an isolated protocerebrum-eyestalk complex, exhibit competent circadian rhythms in the electroretinogram (ERG).
(2) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
(3) Anthopleurin-A produced two distinct responses in crayfish giant axons: depolarization and prolongation of action potentials.
(4) After 2 weeks of chronic exposure to 75 mM EtOH, crayfish showed behavioral tolerance as measured by a decrease in righting time and an increase in tail-flip escape behavior to control levels.
(5) The factors acting at the crayfish and cockroach blood-brain barrier are summarized in FIGURE 8 and would be well suited for providing efficient K+ spatial buffering of the CNS.
(6) The equations of membrane potential developed by Kobatake and coworkers have been applied to the literature data on the resting membrane potential of the crayfish and Myxicola axons to derive values for the surface charge density present on the axon membranes.
(7) Transection of crayfish peripheral nerves proximal to the neuron cell bodies produced a more than two-fold increase in [3H]leucine incorporation, but no significant changes in labeling profiles of the proteins on SDS gels.
(8) Ultimately, I need to get rid of of crayfish and crayfish products – my dreams are so much bigger than what we are doing right now.
(9) This species preferred a higher temperature than its acclimation temperature for those acclimation temperatures ranging from 6 degrees to 26 degrees C. When acclimated to 30 degrees and 33 degrees C, the crayfish preferred a lower temperature than its acclimation temperature.
(10) All three toxins prolonged crayfish giant axon action potentials by selectively slowing Na channel inactivation without greatly affecting activation.
(11) Specific high affinity binding of the cage convulsant t-[35S]butylbicyclophosphorothionate (TBPS) was observed in membrane homogenates of housefly heads and crayfish abdominal muscles.
(12) A toxin from the Bermuda anemone Condylactis gigantea causes the early transient conductance change of crayfish giant axon membranes to persist without affecting the shape of its turning-on.
(13) Simulation results are shown to be in qualitative agreement with experimental data reported for Aplysia and crayfish.
(14) The axons of the pigmented cells terminate in the neuropil of the protocerebral bridge, together with neuronal elements that label with antibodies against serotonin and substance P. We suggest that the brain photoreceptors of the crayfish are important in the entrainment of circadian rhythms.
(15) By stimulating and recording from the same interneuron at two separate points, we have shown that coordinated output to the postural abdominal muscles of crayfish can be produced by electrical stimulation of a single cell.
(16) There are more unsaturated fatty acids in the crayfish than in the rabbit membranes.
(17) The glutathione S-transferase activity in hepatopancreas of the American red crayfish Procambarus clarkii after 15 days' acclimatization in tap water aquaria was measured in specimens collected monthly for a whole year, and shows seasonal variation.
(18) As part of its repertoire of defensive behaviors, the crayfish, Procambarus clarkii, may respond to mildly threatening tactile or visual stimuli from the front of its body by walking backwards.
(19) In nonmuscle tissues, four types of isoforms were found on two-dimensional gel electrophoresis and in immunoreplica tests using an antiserum against crayfish skeletal muscle tropomyosin.
(20) Visual pigment absorption spectra were measured in single photoreceptors of a stomatopod, a crayfish, a hermit crab, and five species of brachyuran crab.
Sparrow
Definition:
(n.) One of many species of small singing birds of the family Fringilligae, having conical bills, and feeding chiefly on seeds. Many sparrows are called also finches, and buntings. The common sparrow, or house sparrow, of Europe (Passer domesticus) is noted for its familiarity, its voracity, its attachment to its young, and its fecundity. See House sparrow, under House.
(n.) Any one of several small singing birds somewhat resembling the true sparrows in form or habits, as the European hedge sparrow. See under Hedge.
Example Sentences:
(1) Groups of photosensitive female house sparrows have been kept under night-interruption and intermittent light cycles for a period of 6 weeks.
(2) A clinical study focused on the evaluation of adaptive functioning with use of the Vineland Adaptive Behavior Scales (Sparrow, Balla, & Cicchetti, 1984, 1985) is presented as an example of a way in which occupational therapy can provide assessment data valuable to the interdisciplinary clinical team.
(3) Laboratory and domestic animals: mice, hamsters, rabbits, sparrows, chickens and lambs were inoculated with Orungo virus to determine their susceptibility as evidenced by clinical response, viraemia and antibody development.
(4) Corticotropin-releasing factor (CRF) was localized in the brains of two passerine species, the European starling (Sturnus vulgaris) and the song sparrow (Melospiza melodia), by means of immunohistochemistry.
(5) Body weight was not correlated with foramen magnum area in 25 specimens of savannah sparrow, Ammodramus sandwichensis.
(6) Riga, accompanied by Fraeye, was at Charlton's Sparrows Lane training ground on Tuesday and watched on as Powell's existing coaching staff oversaw the first-team squad.
(7) The continuous administration of low levels of melatonin via intraperitoneally placed Silastic capsules either (i) shortened the free-running period of activity or (ii) induced continuous activity in house sparrows (Passer domesticus) maintained in constant darkness.
(8) Testosterone sensitivity of the seminal sacs of castrated tree sparrows from each of three reproductive states was evaluated by measuring the change in seminal-sac mass per unit change in the logarithm of replacement or plasma testosterone.
(9) There was no effect of B on basal metabolic rate of either species, but nocturnal metabolic rate varied significantly less over the 3-h period of measurement in B-treated sparrows and siskins than in control birds.
(10) Adult song sparrows (Melospiza melodia) were tested for response to songs of conspecific males that had been reared in acoustic isolation or deafened early in life.
(11) It will be streamed live here: Monetary Policy Committee August 2013 Inflation Report My colleague Andrew Sparrow will be live-blogging the whole session here: Mark Carney gives evidence to the Commons Treasury committee: Politics live blog 9.52am BST This graphic shows how most of the Royal Mail's revenues come from its parcels and letters divisions, although its European parcels business, GLS, makes a decent contribution (with revenue of £1.5m, out of a total pie of over £9bn.
(12) In sparrows, pigeons and ducks, liver and kidney activities tended to be similar and increased with body size.
(13) The movie excels in its many trading-floor sequences, great chaotic indoor crowd-scenes worthy of Raoul Walsh, in which we can glimpse the primal, quasi-animalistic governing urges that propel an unregulated – that's to say, totally lawless – free-market economy, as the hawks are granted licence to feast upon the sparrows.
(14) As Andrew Sparrow points out elsewhere, even if McDonnell gets a go and, as now seems certain, Andy Burnham takes the number of ex-ministerial candidates to four, that will hardly solve one big problem: a field built around two siblings, and largely made up of Oxbridge-educated, fortysomething white men, whose adult lives have mostly been played out in SW1.
(15) In addition 11% of mice (Mus musculus), 5% of deer mice (Peromyscus), 3% of rats (Rattus norvegicus) and less than 2% of sparrows (Passer domestcus) were seropositive.
(16) avenue31 I thought it was Captain Sparrow who invented the exercise regime, in Pilates of the Caribbean.
(17) The sparrows resynchronized in 5 days when LD8:16 (8 hr of light alternating with 16 hr of dark) was advanced by 8 hr; however, the sparrows were 1.7 hr from resynchronization after 5 days when the schedule was delayed 8 hr.
(18) The duration of detectable neutralizing antibody in these birds was found to be ephemeral in some species (e.g., black-capped chickadees) and extremely longlasting in others (e.g., gray catbirds, swamp sparrows).
(19) Under physiological conditions (41 C, pH 7.5, PCO2 approximately 35 Torr) the oxygen half saturation pressure P50 are 50 Torr for the chickens, 38 Torr for the pigeon, 43 Torr for the Japanese quail and 44 Torr for the sparrow.
(20) It was shown that these mosquitoes fed principally on House Finches and House Sparrows, the most common passeriform birds found in the collection areas.