(n.) An amphibian of the salamander tribe found in the elevated lakes of Mexico; the siredon.
Example Sentences:
(1) A study of cell proliferation in different regions of axolotl embryos has shown a rather uniform distribution of the S phase and mitotic indices in the animal half of the early and midgastrulae.
(2) The posterior supracoracoideus nerve of the axolotl, Ambystoma mexicanum, was induced to make synapses outside its normal muscle territory.
(3) The innervation of the biceps muscle was examined in regenerated and vitamin A-induced serially duplicated axolotl forelimbs using retrograde transport of horseradish peroxidase.
(4) The axolotl stomach myenteric plexus appeared to be devoid of enkephalin-, neuropeptide Y-, somatostatin- and bombesin-like immunoreactive nerve fibres and nerve cell bodies.
(5) The rate of AChE activity restoration in Gd-7 treated axolotl embryo depends on the level of the enzyme restraint and the stage of the embryo development.
(6) The binding of four of these compounds to chick limb bud and axolotl CRABP was tested in sucrose density gradient assays and then their potencies at inducing limb duplications tested.
(7) The pattern of labeling was the same in the albino as in the normally pigmented axolotls.
(8) 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).
(9) That substance P may be a neurotrophic factor in urodele limb regeneration was investigated in the axolotl (Ambystoma mexicanum).
(10) Using electrophysiological methods, ipsilateral visuotectal activity has been recorded in thyroxine-treated, postmetamorphic axolotls but not in larval axolotls.
(11) Based upon the use of specific antibodies and sucrose gradient sedimentation analysis, the present work describes the use of the post-transcriptional equipment of the urodele egg to compare the information contained in two RNA samples extracted from respectively liver and activated axolotl eggs.
(12) These observations suggest a possible utility of the eyeless mutant axolotl for studies concerned with endocrine development in the absence of hypothalamic modulation.
(13) All monoamine-containing neuronal groups detected in developing axolotls are also present in both sexes of the adult.
(14) The mean resting membrane potential of cells in the neural plate of axolotl embryos increases from -25 to -45 mV (maximum values from -35 to -60 mV) when the embryos move from early to mid-neural plate stages of development.
(15) The effect of growth factors on the formation of cardiac mesoderm in the urodele, Ambystoma mexicanum (axolotl), has been examined using an in vitro explant system.
(16) To determine if differences in endogenous lectins exist in dark and white axolotls during melanophore colonization, white and dark ectoderm and carcass tissues have been assayed for lectin activity at premigratory, early migratory, and late migratory neural crest stages.
(17) In this paper we describe subpopulations of radial glial in the spinal cord of the axolotl.
(18) Thus, conventional retrograde labeling could not identify particular axolotl motoneurons.
(19) In the axolotl (Ambystoma mexicanum), the large vestibular axons form club endings on only one portion of one dendrite of the Mauthner cell.
(20) Recessive mutant gene c in axolotl embryos results in an absence of heart function.
Salamander
Definition:
(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).