(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.
Sepia
Definition:
(n.) The common European cuttlefish.
(n.) A genus comprising the common cuttlefish and numerous similar species. See Illustr. under Cuttlefish.
(n.) A pigment prepared from the ink, or black secretion, of the sepia, or cuttlefish. Treated with caustic potash, it has a rich brown color; and this mixed with a red forms Roman sepia. Cf. India ink, under India.
(a.) Of a dark brown color, with a little red in its composition; also, made of, or done in, sepia.
Example Sentences:
(1) The assumption is made that, for eumelanins, there is only one nitrogen atom per monomeric unit, and thus, the empirical formula for the average monomeric Sepia melanin backbone chromophore was determined.
(2) In an earlier communication, we have presented the results of our study on in vitro interaction of bleomycin with collagens of sepia, fish and rat skins using spectrophotometry.
(3) Studies with radiolabelled polyethylene glycol (PEG4000) and EDTA show that the Sepia blood-brain barrier is as tight as the endothelial barrier of mammals.
(4) To add effects to a photo, select one from the menu - sepia, film reel - and swipe upwards to the photo from the icon representing that effect.
(5) This antiserum recognizes a 44 kDa (G alpha) and a 36 kDa (G beta) protein band from Sepia photosensory membrane preparation.
(6) The only catecholamines found present in nervous tissue of Eledone, Octopus and Sepia were dopamine and noradrenaline.
(7) A modification of the Oldendorf arterial injection technique is used to show that glucose transport at the Sepia barrier is mediated by a Na+-independent hexose carrier resembling that of mammalian red cells and blood-brain barrier.
(8) The effect of an intravenous injection of squid-ink (sepia-melanin) solution on adult mouse spheroid alveolar epithelial cells was observed by the electron microscope.
(9) Among them there were Todarodes pacificus, Ommastrephes bartrami, Berrytenthis magester, Sepia officinalis.
(10) A new technique using a stimulating chronically-implanted electrode has allowed us to study the motor responses induced by electrical stimulation of the optic lobe in a freely swimming Sepia.
(11) Effects of noradrenaline and the related compounds adrenaline, dopamine, octopamine, tyramine, clonidine and isoprenaline were studied in isolated heart preparations from the cuttlefish Sepia officinalis L. 2.
(12) Mackay had a difficult conversation with David Cameron , and subsequently appeared on TV with a sepia tan and embarrassed, bulging eyes.
(13) The musculature of the fins of the cuttlefish Sepia officinalis (Mollusca, Cephalopoda) was studied with electromyography to test predictions of the functional role of the various muscle masses.
(14) In contrast, at one week after injection of squid-ink solution, almost all alveolar macrophages were degenerated with destruction of the ectoplasm in which the ingested sepia-melanin particles were digested by lysosomes into fine particles, and the mitochondria of spheroid alveolar epithelial cells were degenerated and the inclusion bodies were hardly formed.
(15) The blood-brain interface was studied in a cephalopod mollusc, the cuttlefish Sepia officinalis, by thin-section electron microscopy.
(16) The HSA results further confirm that the Sepia blood-brain interface is relatively tight to proteins.
(17) The blood-brain barrier in the cuttlefish Sepia officinalis has been studied with the freeze-fracture technique.
(18) Most of all, however, Dingell mourned the sepia-toned era when Democrats and Republicans actually worked together.
(19) Tyrosine-enzymatic and Sepia melanin are quite similar and tyrosine-chemical melanin is fundamentally different from the other two melanins.
(20) They reached the quarter-finals of the 1958 World Cup but had never been in the semi-finals of a major tournament and the challenge was to surpass those sepia-tinted images.