(n.) A name given in the United States to various species of siluroid fishes; as, the yellow cat (Amiurus natalis); the bind cat (Gronias nigrilabrus); the mud cat (Pilodictic oilwaris), the stone cat (Noturus flavus); the sea cat (Arius felis), etc. This name is also sometimes applied to the wolf fish. See Bullhrad.
Example Sentences:
(1) Microsomal UDP-glucuronosyltransferases (UDPGTs) and cytosolic glutathione S-transferases (GSTs) were examined in bluegill (Lepomis macrochirus R.) and channel catfish (Ictalurus punctatus R.) liver.
(2) It appears that channel catfish B cell mIg capping, presumably a requisite for immune function, can be significantly affected by environmental temperatures; most likely such effects are attributable to changes in plasma membrane viscosities.
(3) In comparative assays, the CH50 titers of catfish sera were similar to the CH50 titers of human sera.
(4) The amino acid sequences of both forms of African catfish GnRH were determined using Edman degradation after digestion with pyroglutamyl aminopeptidase.
(5) We have observed in the catfish retina that cone horizontal cell perikarya and dendrites make conventional chemical synapses onto photoreceptor terminal telodendria and onto bipolar cell dendrites, while horizontal cell axon terminals make chemical synapses onto the perikarya and processes of amacrine cells.
(6) From these results we conclude that: adaptation in the catfish retina includes two components: a) a lateral shift of the voltage-intensity curve along the intensity axis, and b) changes in the time course of light-evoked response.
(7) In olfactory neurons isolated from the channel catfish, Ictalurus punctatus, stimulation with olfactory stimuli (amino acids) elicits an influx of calcium that leads to a rapid increase in intracellular calcium.
(8) ), an inhibitor of GSH biosynthesis, did not deplete hepatic GSH in channel catfish.
(9) Our objective was to identify VG in the channel catfish, Ictalurus punctatus.
(10) The endocrine pancreas of the bullhead catfish, Ictalurus nebulosus, and the channel catfish, I. punctatas was studied by light and electron microscopy.
(11) Anoxic incubation for varying periods of Isoparorchis hypselobagri from the swim bladder of the catfish Wallago attu, led to an accumulation of oxygen debt on the part of the parasite.
(12) This indicates that the neural representation of the external body surface of the channel catfish faces caudally in the FL.
(13) An estimate of the total mass of bone in the Channel catfish Ictalurus punctatus Rafinesque, was obtained by dissection.
(14) Taste receptors for L-alanine and L-arginine in the channel catfish, Ictalurus punctatus, are differentially reactive to N-ethylmaleimide (NEM) and p-chloromercuribenzenesulphonic acid (pCMBS).
(15) Blood cells from Baltic salmon, Salmo salar, three-spined stickleback, Gasterosteus aculeatus, eel pout, Zoarces viviparus, crucian carp, Carassius carassius, African catfish, Clarias gariepinus, and reedfish, Calamoichthys calabaricus, were incubated with tritiated 11 beta-hydroxyandrostenedione (OHA) or 11-ketoandrostenedione (OA).
(16) Catfish GH and PRL were identified by Western blotting with antisera against chum salmon GH and PRL.
(17) The cellular requirements for channel catfish MLR responses were assessed by using three functionally distinct leucocyte subpopulations isolated from the PBL.
(18) The Indian catfish, Heteropneusted fossilis, was chemically thyroidectomized with thiourea.
(19) Neither the concentrations of these three brain tissue substrates, nor L-GDH activity were significantly different between fish at the two locations even though the observed UIA concentrations were equivalent to concentrations which have been observed to increase glutamine concentration in brain tissue of catfish during exposures under laboratory conditions.
(20) Results from oral dose studies indicated that SDM is readily absorbed from the gastrointestinal tract in channel catfish and distributes rapidly to body tissues, primarily the muscle.
Optic
Definition:
(a.) The organ of sight; an eye.
(a.) An eyeglass.
(a.) Alt. of Optical
Example Sentences:
(1) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
(2) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
(3) The number of axons displaying peptide-like immunoreactivity within the optic nerve, retinal or cerebral to the crush, and within the optic chiasm gradually decreased after 2-3 months.
(4) Once the normal variations are mastered, appreciation of retinal, choroidal, optic nerve, and vitreal abnormalities is possible.
(5) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
(6) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
(7) Unlike results seen in the goldfish optic nerve, injury to the rat optic nerve induced no observable increase in laminin content or change in its distribution.
(8) This is the first report of anterior ischemic optic neuropathy as a result of hemodialysis-associated hypotension.
(9) It is shown that, by comparison of a reacting mixture at chemical equilibrium with a non-reacting but equally composed one, the sum of the mean concentrations of the reaction products can immediately be taken from optical absorption or from interferometric measurements.
(10) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
(11) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
(12) The optical and oxygen binding properties of the reconstituted myoglobins containing two isomeric monoformyl-monovinylhemins were found to be different.
(13) These images were previously determined by using a recently developed hybrid optical-digital method.
(14) The development of optical fibers capable of transmitting laser energy has encouraged the experimental use of laser irradiation for the treatment of acquired cardiovascular disorders.
(15) This technique is sensitive to the optical anisotropy within the muscle, including that due to intrinsic properties of the protein molecules as well as that due to the regular arrangement of proteins in the surrounding medium.
(16) Patients should be evaluated by perimetry using an appropriate strategy and contrast sensitivity testing, along with careful examination of the optic discs.
(17) Thus, during treatment with ethambutol visually (pattern) evoked potentials may reveal a surprisingly high percentage of subclinical optic neuritis.
(18) The optical efficiencies are similar and depend on the match of the excitation characteristics of the stain with the emission spectra of the light source.
(19) Morphological results demonstrated that 30 Gy irradiated animals showed extensive necrosis primarily in the fimbria, which extended into the internal capsule, optic nerve, hippocampus, and thalamus.
(20) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.