(n.) Any one of numerous species of Urodela, belonging to Salamandra, Amblystoma, Plethodon, and various allied genera, especially those that are more or less terrestrial in their habits.
(n.) The pouched gopher (Geomys tuza) of the Southern United States.
(n.) A culinary utensil of metal with a plate or disk which is heated, and held over pastry, etc., to brown it.
(n.) A large poker.
(n.) Solidified material in a furnace hearth.
Example Sentences:
(1) This study demonstrates that while carbonic anhydrase inhibition is toxic to the red-backed salamander, Plethodon cinereus, it does not have the same teratogenic effect on limb regeneration as seen in mammalian limb development.
(2) Temperature-dependent variability in sperm nuclear incorporation helps explain the variability in reproductive modes reported for hybrid salamanders.
(3) A model of the reproductive ecology of female dusky salamanders was used to investigate the allocation scheme that a female might use to maximize her reproductive success.
(4) Plethodontid salamanders capture prey by projecting the tongue from the mouth.
(5) Measurements were made on locomotor performance (burst run and swim speed, run and swim endurance), morphology (body, tail, and hindlimb length, body mass), and skeletal muscle mechanics (isometric: twitch and tetanic tension, rates of force development and relaxation; isotonic: maximal velocity of shortening and power output) in a size range of individual salamanders (Ambystoma tigrinum nebulosum) at 10 and 20 degrees C. The size dependence of each factor was determined, and the interindividual correlations among factors were measured after removal of size effects.
(6) In decerebrate salamanders reflex responses were recorded between pairs of cut hind limb nerves.
(7) These results are discussed in terms of possible mechanisms for the establishment of innervation territories in salamander limbs.
(8) Remarkably comparable observations from parallel experiments in salamanders and mice utilizing three related model systems (implant-induced immunomanipulation; passive transfer; and putative B cell suppression) argue directly that functional humoral transplantation immunity is highly developed at the phylogenetic level of Amphibia and that it plays a major role in regulating graft survival in these species (Fig.
(9) Changes in membrane potential and temporal patterns of spikes were analyzed in 30 output cells in the salamander olfactory bulb in response to stimulation with 1-s pulses of the odorants isoamyl acetate, cineole, and camphor.
(10) Characteristics of cutaneous gas exchange in amphibians were studied by analysis of the equilibration kinetics of an inert test gas in salamanders which have neither lungs nor gills.
(11) Cobaltic-lysine complex was used to label the afferent and efferent components of the glossopharyngeal nerve in the ganglion and brainstem of the Mexican salamander, axolotl (Ambystoma mexicanum).
(12) On the ground beneath their feet lived salamanders, amphibians and plenty of mammals, including the badger-sized beast, repenomamus, which dined on dead dinosaurs.
(13) In contrast to the salamander, smaller differences were observed for both the roof and the floor of the bullfrog's olfactory sac.
(14) Physiological properties of developing nerve-muscle junctions were studied in regenerating limbs of adult salamanders.
(15) The present double-label immunocytochemical analysis of the tiger salamander retina was performed to determine if gamma-aminobutyric acid (GABA)-like immunoreactivity is expressed by serotonin-immunoreactive amacrine cells.
(16) In respect of morphology, the taste organs of the salamander occupy an intermediate position between the taste buds of Urodela and taste discs of Salientia.
(17) Preycatching behaviour in salamanders (Salamandra salamandra L.) was studied before (60 larvae) and after metamorphosis (50 juveniles) to find out whether there are differences in releasing mechanisms depending on the developmental stage.
(18) Ethological reproductive isolation and genetic divergence across 26 protein loci were measured among populations of the salamander Desmognathus ochrophaeus in the southern Appalachian Mountains.
(19) Thus, in the salamander the hearing is invariably binaural.
(20) The present electrophysiological and behavioral experiments address this issue using tiger salamanders, Ambystoma tigrinum, and four compounds (amyl acetate, cyclohexanone, butanol, and d-limonene).
Seal
Definition:
(n.) Any aquatic carnivorous mammal of the families Phocidae and Otariidae.
(n.) An engraved or inscribed stamp, used for marking an impression in wax or other soft substance, to be attached to a document, or otherwise used by way of authentication or security.
(n.) Wax, wafer, or other tenacious substance, set to an instrument, and impressed or stamped with a seal; as, to give a deed under hand and seal.
(n.) That which seals or fastens; esp., the wax or wafer placed on a letter or other closed paper, etc., to fasten it.
(n.) That which confirms, ratifies, or makes stable; that which authenticates; that which secures; assurance.
(n.) An arrangement for preventing the entrance or return of gas or air into a pipe, by which the open end of the pipe dips beneath the surface of water or other liquid, or a deep bend or sag in the pipe is filled with the liquid; a draintrap.
(v. t.) To set or affix a seal to; hence, to authenticate; to confirm; to ratify; to establish; as, to seal a deed.
(v. t.) To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality; as, to seal weights and measures; to seal silverware.
(v. t.) To fasten with a seal; to attach together with a wafer, wax, or other substance causing adhesion; as, to seal a letter.
(v. t.) Hence, to shut close; to keep close; to make fast; to keep secure or secret.
(v. t.) To fix, as a piece of iron in a wall, with cement, plaster, or the like.
(v. t.) To close by means of a seal; as, to seal a drainpipe with water. See 2d Seal, 5.
(v. t.) Among the Mormons, to confirm or set apart as a second or additional wife.
(v. i.) To affix one's seal, or a seal.
Example Sentences:
(1) To provide a seal with low pressure-high volume cuffed tubes, cuff sizes of 20.5 mm and 27.5 mm are recommended for female and male patients, respectively.
(2) Cermet cement sealings showed defects more frequently.
(3) The channels usually ceased conducting within a few minutes after seal formation with the patch pipette and could not be re-activated with depolarizing voltage steps.
(4) For all the understandable insistence that parliament and London would continue as normal after Wednesday’s terrorist attack, almost 24 hours later a large section of streets around the area remained sealed off by police.
(5) Tone pulses and noise stimuli were mixed acoustically and presented using calibrated, sealed stimulating systems.
(6) In general, after recording a baseline tympanogram, mechanically created positive and negative air pressures are created in a hermetically sealed ear canal causing increased pressure on the middle ear air cushion.
(7) Ecological evidence is considered to suggest that the rapid maturation of C. semerme in rats may also occur when the parasite becomes established in seals.
(8) Increased conversion of 25-OHD to 24,25-(OH)2D and a high capacity for vitamin D storage in their large blubber mass appeared to be factors in the resistance of seals to vitamin D toxicity.
(9) The mechanism of sealed-off perforation of the duct is discussed.
(10) Membranes were sandwiched between two gas-permeable, plastic foils, placed in a sealed cuvette, and gassed with H2 as reductant or O2 as oxidant.
(11) Treatment animals had the anastomoses and graft sealed with a suspension of N-butyl-2-cyanoacrylate and 1.2 g tobramycin powder (antibiotic glue, ANGL) after contamination.
(12) The results demonstrated that, when the coronal half of the root canal filling material was removed immediately after placement with pluggers, there was a loss of the apical seal and leakage in thirteen of twenty teeth.
(13) Ultrastructural study of the Leydig cells of nonbreeding crabeater, leopard and Ross seals showed that three types of cells could be distinguished.
(14) National bans on commercial trading in seal products are already in place in 30 countries including the US, the Netherlands and Italy.
(15) Under these conditions, with careful attention to sealing at ankles and waist, it was possible to estimate penetration as low as 0.3%.
(16) We used transvitreally delivered cyanoacrylate tissue adhesive to seal retinal breaks in 25 selected patients undergoing vitreous surgery for complicated retinal detachment.
(17) To date, numerous products have been evaluated, and many hundreds have received the council's seal of acceptance.
(18) She explained that, as a baby, she had been subjected to female genital mutilation (FGM): her clitoris cut off and her vagina sealed, with only a small hole remaining for urine and menstruation.
(19) After accidental dissection of the thoracic duct in infants, leakage of chyle could be sealed successfully in 6 cases.
(20) These microcapsules can be dried and retain activity when sealed in a jar at 4 degrees C.