(n.) The thick shell or shield which covers the back of the tortoise, or turtle, the crab, and other crustaceous animals.
Example Sentences:
(1) The pigment granules within the erythrophores are dispersed out into the dendritic processes of the cells when the isolated carapace is placed in physiological solution.
(2) Eye withdrawal in the green crab, Carcinus maenas was conditioned by pairing a mild vibration to the carapace as a conditioned stimulus (CS) with a puff of air to one of the eyes as an unconditioned stimulus (US).
(3) In both species, the carapace is heavily pigmented and during the development and translocation of basal cells from the germinal layer of the epidermis, pigment granules migrate towards the surface layers.
(4) A prawn of 15 mm carapace length could not eliminate all snails.
(5) She said: "Under the carapace of glittering, hedonistic celebrity, the ooze of a very different and more dangerous lifestyle has seeped out for all to see."
(6) Population experiments demonstrated that a prawn of 25 mm carapace length could eliminate 95% of a population of 80 snails in a 20-1 aquarium within 20 days and all snails by day 40.
(7) Moir also called for "the truth" to emerge "about the exact circumstances of his strange and lonely death" and said: "Once again, under the carapace of glittering, hedonistic celebrity, the ooze of a very different and more dangerous lifestyle has seeped out for all to see".
(8) Crustacean remains in one gut content sample included carapace fragments bearing distinctive surface features found on the smaller toxic xanthids, Actaeodes tomentosus and Pilodius areolatus.
(9) Based on the low numbers of osteoblasts and osteoclasts in dermal bone of both populations of adult desert tortoises, it appears that the peripheral carapace is relatively inert with very low levels of dermal bone turnover.
(10) With the formation of the compound eye and the appearance of the carapace and other body-like structures, marking morphogenesis to the zoeal stage, embryos showed the beginning of a continuous and dramatic increase in ecdysteroid concentrations sustained until larval hatchout.
(11) Except for mild osteomalacia, carapaces of adult desert tortoises from the grazed habitat were relatively normal.
(12) For some substances (cadmium, bichromate, metavanadate, and bromide) individual growth (carapace length) was found to be a sensitive parameter.
(13) Mann called the series What Remains, her point being that death is not an end, that nature goes on doing its work long after the body has become a carapace.
(14) The three muscles on each side of the head share a common origin on the carapace and insert dorsally, laterally and ventrally on the eye.
(15) To circumvent this drawback in the application of morphometrics to describe 2 dimensional shapes, an alternative procedure based on Fourier analysis was developed and applied to the turtle carapace.
(16) Yet what the episode really shows is how much pressure MPs are under without the protective carapace of unity.
(17) Prawns greater than 22 mm carapace length could consume snails of any size.
(18) The electroretinogram (ERG) waveform of Petrolisthes elongatus is biphasic and transient and does not change with age (monitored as carapace length and weight of the individual).
(19) Based on these results, we propose that dermal bone of the peripheral carapace is a poor sample site for evaluating the effects of dietary or environmental conditions on calcified tissues in desert tortoises.
(20) He inherited a semi-proportional assembly electoral system that masks a core of partisan pro-Labour self-interest under a carapace of pluralism.
Isopod
Definition:
(a.) Having the legs similar in structure; belonging to the Isopoda.
(n.) One of the Isopoda.
Example Sentences:
(1) Biochemical analyses of the dorsal integument of the isopod, Armadillidium vulgare, revealed that sepiapterin, biopterin, pterin, isoxanthopterin and uric acid accumulated in the yellow-colored chromatophores which are distinguishable from ommochrome chromatophores.
(2) All the symbionts identified, which include several cytoplasmic incompatibility microorganisms, several endosymbionts of terrestrial isopods, and symbionts of two thelytokous Trichogramma wasp species, belong to a monophyletic group of related symbionts, some of which have previously been detected in several insects exhibiting cytoplasmic incompatibility.
(3) The maximum life span of larvae was limited to 1 yr by annual turnover of the isopod population.
(4) The Cd concentrations in isopods in test containers with ground litter as food were similar to those in isopods in micro-ecosystems with intact leaves as food.
(5) In the neurogenic heart of the isopod crustacean Porcellio dilatatus, external K+ removal depolarized the membrane (K0 effect) whereas subsequent restoration of K+ resulted in a rapid hyperpolarization (K1 effect).
(6) 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.
(7) Instead, he was taken off the plane in an isopod, a special device designed to keep contagion from spreading.
(8) Some hematological constants (number of erythrocytes--hemaglobin rate--hematocrit--mean blood corpuscule volume--mean corpuscular hemoglobin concentration--mean corpuscular hemoglobin) are studied in non-parasitized and parasitized Teleost fishes (parasites are Cymothoid Isopods).
(9) and the larval Corynosoma sp., the nematode Procamallanus sp., the copepods Caligus quadratus, Clavellotis dilatata and Bomolochus peruensis and one unidentified isopod of the family Cymothoidae.
(10) The free amino-acid composition of the sera of 4 species of Isopods Cymothoidae (Meinertia oestroides, Meinertia parallela, Emetha audouini, Anilocra physodes) are very similar, and present the same characteristics, both quantitatively and qualitatively, as those of free marine Isopods of the family Sphaeromatidae and Idoteidae.
(11) The compound eyes of the terrestrial isopod Porcellio scaber comprises about 20 ommatidia.
(12) The rate of parasite development in laboratory-infected isopods was linearly related to temperature between 9 and 22 C; the temperature threshold was 5.7 C, and the larval parasite required 598 degree-days above threshold to complete development.
(13) The toxicities of the bait decomposed in situ for different lengths of time (12, 9, 6, 3, and 0 months) to the land isopod Armadillidium vulgare and the soil millipede oxidus gracilis were higher than the undecomposed baits.
(14) Exposure to artificially contaminated litter with Cd alone or litter from contaminated field sites with Cd, Pb, Zn, and Cu resulted in comparable Cd concentrations in the isopods.
(15) The utilization of marine amphipods Podocerus fulanus and Corophium acherusicum, and the marine isopod Paracerceis sculpta in heavy metal toxicity tests (Cd and Cu) demonstrated on the one hand, the value of these animals as tests subjects when exposed to various polluting agents and, on the other hand their tolerance to heavy metals in acute toxicity tests.
(16) 2 fuel oil was of relatively low toxicity to the intertidal isopod Lygia exotica as indicated by the TLm values of over 100% for the WSF and 73 ppm at 24 and 48 hours and 36.5 ppm at 96 hours for the OWD.
(17) In the neurogenic heart of the isopod crustacean Porcellio dilatatus, repetitive electrical stimulation of the cardiac nerves elicted either cardio-acceleratory or cardio-inhibitory effects depending on the stimulation parameters.
(18) Circumstantial evidence indicates that the hematophagous isopod, Gnathia maxillaris and not leeches, could be a vector of H. bigernina.
(19) Among laboratory-infected isopods, 2 mechanisms that could regulate the larval parasite population were detected: intraspecific competition and direct, parasite-induced isopod mortality.
(20) Growth of the isopods was not affected by Cd or by the combination of Cd, Pb, Zn, and Cu, but differed between the test systems.