(n.) Any cirriped crustacean adhering to rocks, floating timber, ships, etc., esp. (a) the sessile species (genus Balanus and allies), and (b) the stalked or goose barnacles (genus Lepas and allies). See Cirripedia, and Goose barnacle.
(n.) A bernicle goose.
(n.) An instrument for pinching a horse's nose, and thus restraining him.
(sing.) Spectacles; -- so called from their resemblance to the barnacles used by farriers.
Example Sentences:
(1) After scarfing platefuls of seafood on the terrace, we wandered down to the harbour where two fishermen, kitted out in wetsuits, were setting out by boat across the clear turquoise water to collect goose barnacles.
(2) Taken together, these results support the view that barnacle muscle fibers possess protein kinase C. They also raise the possibility that protein kinase C plays a role in modulating the ouabain-insensitive component of the Na efflux.
(3) We were able to record large signals without averaging from barnacle and leech neurons.
(4) The resting membrane potential data existing in the literature for the giant axon of the squid, frog muscle and barnacle muscle have been analyzed from the standpoint of the theory of membrane potential due to Kobatake and co-workers.
(5) Relations between the membrane potential and the tension associated with changes in membrane potential were analyzed in barnacle giant muscle fibers by using voltage clamp techniques.
(6) Generation of a transient, amplified response to the dimming of light in the visual system of the barnacle involves two synaptic stages.
(7) This idea and alternatives have been tested on the barnacle lateral ocellus, a simple eye with only three photoreceptors, each with its own axon about 1 cm long.2.
(8) District chief Patthikongpan said that the barnacles on the wreckage caused fishermen to believe it could have not been under the sea for more than a year, further casting doubt.
(9) The other is that L-type Ca2+ channels are present in barnacle fibers, and an increase in internal free Ca2+ in these fibers is known to stimulate the Na+ efflux, particularly in ouabain-poisoned fibers.
(10) The existence of a photostable blue pigment is demonstrated in B. eburneus and in some of B. amphitrite receptors, and the possible influence of this photostable pigment on the various action spectra measured in the barnacle is discussed.
(11) Single muscle fibres from the barnacle Balanus nubilus have been studied to provide information about the mode of action of aldosterone on Na transport in a symmetric cell.
(12) A study has been made of the behavior of the Na efflux in single muscle fibers from the barnacle, Balanus nubilus, toward the microinjection of AlCl3.
(13) Membrane potential changes following illumination of a photoreceptor cell in the lateral ocellus of a barnacle (Balanus eburneus) were studied by means of intracellular recording and polarization techniques.
(14) Réunion islander on the moment he found plane debris hoped to be MH370 Read more Abdul Aziz Kaprawi, the deputy transport minister, said the 2-metre barnacle-covered chunk of aircraft could be “the convincing evidence that MH370 went down in the Indian Ocean”.
(15) In the glow of the thing's own flame they saw edificial flanks, the concrete and rust of them, the iron of the pylon barnacled, shaggy with benthic growth now lank gelatinous bunting.
(16) Single barnacle muscle fibres from Balanus nubilus were internally perfused with an isotonic solution containing 180 mM-tetraethylammonium acetate and the effects of Ca concentration in the external solution on the voltage-clamp currents, especially the initial inward current, were examined.2.
(17) We tested the hypothesis that gamma-aminobutyric acid (GABA) is the transmitter released by barnacle photoreceptors onto postsynaptic cells (I-cells).
(18) For Aplysia giant neurons and muscle fibers of the giant barnacle, the extrapolated cytoplasmic specific resistivities are 40 and 74 omega-cm, respectively, at infinite frequency.
(19) Myoplasmic impedance was measured on a barnacle (Balanus nubilus) single muscle fiber that was placed in a cylindrical cavity to limit the volume and prevent the hydration of the myoplasm.
(20) It is concluded that dissipation of a possible pH gradient across the SR membrane by protonophores does not release Ca2+ from the SR of barnacle muscle.
Limpet
Definition:
(n.) In a general sense, any hatshaped, or conical, gastropod shell.
(n.) Any one of many species of marine shellfish of the order Docoglossa, mostly found adhering to rocks, between tides.
(n.) Any species of Siphonaria, a genus of limpet-shaped Pulmonifera, living between tides, on rocks.
(n.) A keyhole limpet. See Fissurella.
Example Sentences:
(1) This effect appeared to be related to dose, and was clearly demonstrable with antibody-forming spleen cells from mice that had been immunized either with sheep red blood cells or with penicillin G conjugated with Keyhole limpet hemocyanin.
(2) The control, uninfected rats make vigorous primary and secondary antibody responses when challenged with keyhole limpet haemocyanin (KLH), human immunoglobulin (HuIg) or sheep red blood cells (SRBC).
(3) BDF1 mice were immunized with a protein antigen, such as ovalbumin (OA) or keyhole limpet hemocyanin (KLH), absorbed to aluminum hydroxide gel, and their spleen cells were stimulated by homologous antigen for the formation of glycosylation-enhancing factor (GEF).
(4) The antibody responses of animals immunised with keyhole limpet hemocyanin (KLH) in Freund's Incomplete Adjuvant (FIA), diethylaminoethyl dextran (DEAE-dextran) and aluminium hydroxide (alum) were compared with the response to antigen administered in the absence of adjuvants.
(5) In addition to this HIV-specific B cell activation, the number of lymphocytes reactive with nonviral antigens such as DNA, myosin, actin, trinitrophenylated keyhole limpet hemocyanin, and ovalbumin was increased by a mean of 17.9-fold.
(6) Synthetic 131-149 and 140-149 sequences afforded 50 to 80% protection, both in the free state and conjugated with keyhole limpet hemocyanin.
(7) Feeding mice with OA or keyhole limpet haemocyanin in liposomes in a series of priming and boosting regimes failed to elicit any significant increase in serum or intestinal antibody response compared with feeding the free antigen.
(8) A tetrodotoxin-formaldehyde-keyhole limpet hemocyanin conjugate was used to immunize a rabbit for the production of anti-toxin antiserum.
(9) A panel of syngeneic monoclonal anti-idiotypic antibodies was prepared by immunizing A.SW mice with keyhole limpet hemocyanin-coupled A.SW monoclonal anti-myoglobin (HAL 19, IgG1) and screening the cloned hybridomas for production of IgG2 binding to idiotype but not to certain other anti-myoglobin antibodies of the same subclass in an ELISA.
(10) In admixture experiments, spleen cells from microfilaremic animals suppressed the proliferative responsiveness of cells from keyhole limpet hemocyanin (KLH)-immunized jirds to KLH by 38%, but had no effect on KLH-specific antibody production.
(11) B cells from these mice were transferred to irradiated recipients with T cells from keyhole limpet hemocyanin (KLH)-primed mice.
(12) In the absence of exogenous oleic acid (18:1), splenocytes responded to a T-dependent (TD) Ag (trinitrophenyl-keyhole limpet hemocyanin, TNP-KLH) at 37 degrees C but not at 27 degrees C. The addition of 150 microM 18:1 almost completely restored plaque-forming cell (PFC) responses to TNP-KLH at 27 degrees C but markedly suppressed PFC responses to the TD Ag at 37 degrees C. 3.
(13) Studying cellular immunocompetence we investigated the skin reactivity to various recall antigens (Candida, Trichophytin, Mumpsantigen, Streptokinase-Streptodornase, PPD), the primary immune response to Dinitrochlorobenzene (DNCB) and Keyhole Limpet Hemocyanin (KLH), and the lymphocyte transformation induced by mitogens (Phytohemagglutinin, Concanavaline A, Pokeweed Mitogen) and specific antigens.
(14) The peptide-keyhole limpet hemocyanin conjugates were used to immunize rabbits.
(15) have reported that the keyhole limpet hemocyanin (KLH)-specific suppressor factor is coded for by the I-J subregion of the H-2 complex (11).
(16) It was found that 2-3% of splenic T cells from arsonate-immune mice specifically bound the hapten using immunofluorescent keyhole limpet hemocyanin as a carrier.
(17) However, in vivo depletion of L3T4+ or Lyt-2+ cells from 38C-Id-keyhole limpet hemocyanin-immunized mice resulted in diminished protection against a tumor challenge.
(18) A procedure is described for the in vitro enumeration of individual lymphoid cells producing antibody against Keyhole Limpet Hemocyanin (KLH) by a modification of the hemolytic plaque technique.
(19) Antibody to keyhole limpet hemocyanin (KLH) has been detected in normal unimmunized subjects by means of a sensitive micropassive hemagglutination technique.
(20) It was shown that these B cells secrete anti-trinitrophenyl antibodies of different isotypes only in the presence of Th2 cells specific for keyhole limpet hemocyanin (KLH) and the hapten-carrier conjugate TNP-KLH.