(n.) A genus of cephalopods, including numerous species of squids, common on the coasts of America and Europe. They are much used for fish bait.
Example Sentences:
(1) Axoplasm isolated from giant axons of the squid Loligo and of the polychaete worm Myxicola continues to bind Ca and maintain an ionized Ca concentration close to 0.1 microgram which is similar to that seen in intact axons.
(2) These complexes formed spontaneously in vitro when taxol-stabilized microtubules were mixed with sonically disrupted axoplasm from the giant axon of the squid Loligo pealei.
(3) A previous method of measuring the swelling pressure (delta IIg) of the cytoplasmic gel of the giant axon of Loligo vulgaris was refined.
(4) Squid (Illex illecebrosus, Loligo pealei) were cannulated in the vena cava and swum in a Beamish-type respirometer.
(5) The actions of members of the homologous series of alkyl cations CH3 (CH2)n-1 N+ (CH3)3 (Cn TMA) on the sodium current in giant axons of Loligo forbesi have been investigated.
(6) Further modifications in the equations took into account new values for gK and new functions for alphan, betan, alphah, and betah derived from voltage clamp experiments on Loligo pealei giant axons.
(7) Spectral analysis (1-1000 Hz) of spontaneous fluctuations of potential and current in small areas of squid (Loligo pealei) axon shows two forms of noise: f-1 noise occurs in both excitable and inexcitable axons with an intensity which depends upon the driving force for potassium ions.
(8) In Loligo, its properties closely parallel those of a crude mitochondrial preparation isolated from axoplasm; but there are some interesting differences in Myxicola.
(9) Activation kinetics of the sodium and potassium conductances were re-examined in fresh axons of Loligo forbesi exhibiting very little if any potassium accumulation and a very small leak conductance, special attention being paid to the initial lag phase which precedes the turning-on of the conductances.
(10) Axoplasmic RNA from the giant axon of the squid (Loligo pealii) comprises polyadenylated [poly (A)+] RNA, as judged, in part, by hybridization to [3H]polyuridine and by in situ hybridization analyses using the same probe.
(11) The major glutathione S-transferase (GST) from the common squid Loligo vulgaris has been purified and shown to be a homodimer of subunit molecular mass 24,000 and pI 6.8.
(12) The operation of the sodium pump of giant axons of the squid, Loligo pealei, has been studied simultaneously in two independent ways: 1) by measuring sodium efflux with 22Na, and 2) by calculating the transmembrane current generated by the pump from measurements of membrane resistance and digitalis-sensitive membrane potential.
(13) The two isozymes of choline acetyltransferase (Acetyl-CoA:choline O-acetyltransferase, EC 2.3.1.6) from head ganglia of Loligo pealei have been examined by polyacrylamide gel electrophoresis, gel chromatography, and equilibrium sedimentation in the ultracentrifuge.
(14) Giant axons of Loligo pealei were voltage clamped in artificial seawater solutions containing varying concentrations of calcium from 10 to 100 mM, and the sodium conductance inactivation was measured with a series of two-pulse experiments.
(15) Ca binding by Loligo axoplasm is reduced by both La and Mn ions.
(16) Impulse propagation velocity as a function of temperature in the range 5--20degreesC was obtained by external recording from the giant axon of Loligo pealei.
(17) The cadmium, silver, lead, copper, zinc, manganese, iron and mercury levels in the edible and inedible tissues of raw and tinned Loligo patagonica squid were determined using flame atomic absorption spectrometry (AAS) for Cd, Ag, Pb, Cu, Zn, Mn and Fe and cold-vapour AAS for Hg.
(18) Digested mixtures of squid (Loligo reynaudi), Pelagic Goby (Sufflogobius bibarbatus) and Cape Anchovy (Engraulis capensis) did not resemble the undigested standards of each species respectively.
(19) To obtain an alternative description of ion conduction kinetics consistent with spontaneous fluctuations, the complex impedance and admittance of squid (Loligo pealei) axon were measured at low frequencies (1-1000 Hz) with a four electrode system using white Gaussian noise as a stochastic perturbation.
(20) The volumetric elastic modulus of the sheath and the osmotic swelling pressure of the axoplasmic polymer network of the giant axon of Loligo vulgaris were measured.
Squid
Definition:
(n.) Any one of numerous species of ten-armed cephalopods having a long, tapered body, and a caudal fin on each side; especially, any species of Loligo, Ommastrephes, and related genera. See Calamary, Decacerata, Dibranchiata.
(n.) A fishhook with a piece of bright lead, bone, or other substance, fastened on its shank to imitate a squid.
Example Sentences:
(1) One of the most recent was in June last year, when a boatload of anglers came across a dead 23ft squid off Port Salerno on the state's Atlantic coast.
(2) To order your main course (from £7.50), squeeze through the tightly packed tables to the kitchen and select whatever catches your eye from an array of dishes that includes roast lamb, salmon with seafood risotto, stuffed cabbage, and sublime stuffed squid (£14), which comes with tomato rice studded with succulent octopus.
(3) Video-enhanced contrast light microscopy was used to directly observe dynamic length changes in native, MAP-containing microtubules from squid axoplasm.
(4) Lens crystallins were isolated from cephalopods, octopus and squid.
(5) Anion conductances of giant axons of squid, Sepioteuthis, were measured.
(6) A novel nonapeptide, sequence YAIVARPRFamide, was isolated from brain extracts of the squid, L. vulgaris.
(7) n-Aequorin J, a luminescent protein which responds to calcium concentration changes in the order of several hundred micromoles, was injected into the preterminal fiber in the squid giant synapse.
(8) The transmembrane potential of voltage-clamped squid giant axon is increased to compensate for a reduction in the rate of potassium channel kinetics when artificial seawater with trivalent erbium ion is substituted for artificial seawater.
(9) During both of them the magnetic field pattern, determined with a 7- or 24-channel SQUID magnetometer, suggested a dipolar current source.
(10) When a bright light flash is absorbed by a small region in the outer segments of squid photoreceptors fixed in glutaraldehyde, a brief pulse of membrane current flows locally.
(11) (6) It is concluded that in the squid axon the effects on inactivation are not the main reason for the reduction of the sodium current by benzocaine and that, in common with many other neutral anaesthetics, there are at least two sites at which benzocaine acts.
(12) Evoked release of transmitter at the squid giant synapse was examined under conditions where the calcium ion concentration in the presynaptic terminal was manipulated by inhibitors of calcium sequestration.
(13) We have recorded spontaneous magnetoencephalographic (MEG) activity during overnight natural sleep in 4 healthy adults with a 24-channel SQUID gradiometer, mainly over the sides of the head.
(14) Jeletzkya douglassae Johnson and Richardson is described as the oldest known representative of an extant squid group.
(15) The myosin-linked regulatory system rather than the thin-filament-linked regulatory system was predominant in squid myosin B. Squid myosin B required higher Ca2+ and Sr2+ concentrations for Mg-ATPase activity; half-maximal activation of Mg-ATPase was obtained at 0.8 micron Ca2+ and 28 micron Sr2+ with skeletal myosin B, and at 2.5 micron Ca2+ and 140 micron Sr2+ with squid myosin B.
(16) To test the hypothesis that inositol trisphosphate (InsP3) mediates adaptation and excitation in invertebrate photoreceptors, we measured its formation on a rapid time scale in squid retinas.
(17) The developments include a DC SQUID with FM read-out, resulting in the most compact SQUID electronics so far, a planar microwave biased RF SQUID with very high slew rate, and efforts to create reliable SQUIDs with sufficient sensitivity for biomagnetic applications that are cooled by liquid nitrogen.
(18) We report here that a transparent tissue, derived from muscle but functioning as a lens in the light-emitting organ of a squid, Euprymna scolopes, shows striking biochemical convergence with the epidermally derived ocular lenses of some mammals and cephalopods.
(19) (3) The two stable states of the nerve membrane, which are readily demonstrable in TEA-treated or internally perfused squid giant axons, are shown to represent bivalent cation-rich and univalent cation-rich states of the nerve membrane.
(20) Previous work has revealed that 4S RNA is the primary species of RNA in the axoplasm from the giant axons of the squid and Myxicola.