(n.) A crustacean with ten feet or legs, as a crab; one of the Decapoda. Also used adjectively.
Example Sentences:
(1) Clearance of foreign materials from the hemocoel of decapod crustaceans involves several distinct kinds of cells.
(2) Single actin control was found in the fast muscles of decapods, in mysidacea, in a single sipunculid species, and in vertebrate striated muscles.
(3) The luciferin of the bioluminescent decapod shrimp, Oplophorus gracilorostris, was purified and studied with respect to u.v.
(4) In the walking legs of decapod crustaceans, intersegmental reflex actions originate from various joint proprioceptors.
(5) This suggests that the mechanisms of cuticle secretion do not undergo marked changes in activity as they do in decapods; presumably this relative continunity is related to the much shorter molt cycle of cladocerans.
(6) Similar inclusions were not found in the leg axons of a variety of other decapod crustaceans.
(7) Accordingly, the function of this organ is probably the same in decapods and Armadillidium.
(8) Also, in decapod crustaceans a peptidic neurodepressing hormone (NDH) modulates neuroelectrical and behavioural rhythmicity.
(9) In Crustaceans, the free amino acid composition of the hemolymph thus appears, both quantitatively and qualitatively, to be a biochemical character of marine Isopods when compared to Oniscoids Isopods and to Decapods.
(10) Possible implications of these findings for phylogenetic relations of decapod crustaceans and for the evolution of neural circuits are discussed.
(11) The gross anatomy of the hepatopancreas of this species is simpler than that of decapods, but microscopically the cells are similar in both.
(12) While much less genically variable than other invertebrates, Homarus is not atypical when compared with eleven decapod species that average 5.8% heterozygosity.
(13) Neurotransmitters used by the STG motoneurons of stomatopods are compared to those of decapods.
(14) In comparison with the other trypsins from the Crustacean decapods, the shrimp enzymes have four pairs of disulfide bonds, intermediary between the crayfish trypsin (three pairs) and the crab trypsin (five pairs), and are immunochemically different from them.
(15) Myosin control is not found in striated vertebrate muscles and in the fast muscles of crustacean decapods, although regulatory light chains are present.
(16) An overview of studies on the decapod crustacean cardiac ganglion is given emphasizing contributions to questions of general interest in cellular neurophysiology.
(17) Analysis of data obtained from molecular hybridization of 3H-labeled repetitious DNA has been utilized to reconstruct the broad outlines of phylogenetic relationships among decapod Crustacea.
(18) In the crab Carcinus maenas, as in other decapod crustaceans, the extracellular pH varies with temperature so that the relative alkalinity remains approximately constant.
(19) These results confirmed earlier reports by Yonge (1924) and van Weel (1955) on the decapods, Nephrops norvegicus and Atya spinides, respectively.
(20) In particular, the inhibitory axons of the reptantian decapod leg have been reported, in various studies within four different infraorders, to innervate anywhere from one to all seven of the leg's distal muscles and to vary in number from two to four.
Mollusk
Definition:
(n.) One of the Mollusca.
Example Sentences:
(1) A significant proportion of the soluble protein of the organic matrix of mollusk shells is composed of a repeating sequence of aspartic acid separated by either glycine or serine.
(2) Low concentrations of cercaricides are toxic both for cercariae and parthenites from the liver of mollusks and for freely swimming cercariae.
(3) The neuroendocrine bag cell neurons of the marine mollusk Aplysia produce prolonged inhibition that lasts for more than 2 hr.
(4) Changes in the membrane properties of the oocyte of the mollusk, Patella vulgata, were analyzed following the induction of meiosis reinitiation by paleopedial ganglia extract or by the weak base ammonia.
(5) Fossil glycoproteins of the soluble organic matrix are present in an 80-million-year-old mollusk shell from the Late Cretaceous Period.
(6) 12-Hydroperoxy-5,8,10,14-eicosatetraenoic acid (12-HPETE), a lipoxygenase product, simulates the synaptic responses produced by the modulatory transmitter, histamine, and the neuroactive peptide, Phe-Met-Arg-Phe-amide (FMRFamide), in identified neurons of the marine mollusk, Aplysia californica (Piomelli, D., Shapiro, E., Feinmark, S. J., and Schwartz, J. H. (1987) J. Neurosci.
(7) A number of observations, as listed below, suggested a cholinergic basis for inhibitory interactions between photoreceptors of the eye in the nudibranch mollusk Hermissenda crassicornis.
(8) Some vital functions of mollusks (nutrition, oviposition, and support substratum) are closely related to vegetation.
(9) Localization of catecholamines in the nervous system of 12 species of Trematodes parthenitae from marine mollusks has been studied using the method of glyoxilic acid-induced fluorescence.
(10) We tested this idea using the simple nervous system of the marine mollusk, Aplysia californica.
(11) Attempts to introduce infectious or foreign material into oysters and other bivalve mollusks usually involve force or trauma because of immediate, prolonged adduction of the tightly closing valves.
(12) Chromatin organization in the sperm of the bivalve mollusks results from the interaction between a discrete number of protamine-like proteins (PL) and DNA.
(13) Psilotrema simillimum has one intermediate host, the mollusk Bithynia leachi.
(14) Appropriate preparation of food, control of mollusks and planarians, and elimination of rodents are important measures in limiting the further spread of eosinophilic meningitis caused by A. cantonensis.
(15) were found in the land mollusks Bradybaena duplocincta and Jaminia potaniniana asiatica collected on the slopes of Tien-Shan.
(16) Diagnosis of neoplasia in the living mollusk was achieved rapidly and accurately by cytologic examination of circulating blood.
(17) The small hydrotechnique objects, such as irrigation and drainage systems, fish cultivating ponds, isolate and cascade artificial water reservoirs, channels considerably change the ecological conditions of mollusks of the genus Codiella, the first intermediate host of Opisthorchis felineus.
(18) The control measures consisted of the prohibition of the harvest and sale of all bivalve mollusks as well as a public warning to avoid the consumption of such shellfish.
(19) It is expedient to use mollusks, both for testing of N-nitroso compounds and as a biologic indicator of hydrospheric pollution.
(20) Octopamine may have functions of its own in the central nervous system of mollusks.