(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.
Crab
Definition:
(n.) One of the brachyuran Crustacea. They are mostly marine, and usually have a broad, short body, covered with a strong shell or carapace. The abdomen is small and curled up beneath the body.
(n.) The zodiacal constellation Cancer.
(a.) A crab apple; -- so named from its harsh taste.
(a.) A cudgel made of the wood of the crab tree; a crabstick.
(a.) A movable winch or windlass with powerful gearing, used with derricks, etc.
(a.) A form of windlass, or geared capstan, for hauling ships into dock, etc.
(a.) A machine used in ropewalks to stretch the yarn.
(a.) A claw for anchoring a portable machine.
(v. t.) To make sour or morose; to embitter.
(v. t.) To beat with a crabstick.
(v. i.) To drift sidewise or to leeward, as a vessel.
(a.) Sour; rough; austere.
Example Sentences:
(1) A total of 202 cultures of yeasts were isolated and characterized from king crab and Dungeness crab meat.
(2) King crabs (Family Lithodidae) are among the world's largest arthropods, having a crab-like morphology and a strongly calcified exoskeleton.
(3) Sarcomas (fleshy tumors) were distinguished from carcinoma (crab leg tumors) at the time of Hippocrates.
(4) In a second series, crabs were repeatedly exposed during training to a light pulse (CS) immediately followed by shock (UCS), and after a 6-h rest interval, tested with either CS-UCS or UCS.
(5) No blood group polymorphism was revealed by testing bonnet macaque red cells with isoantisera produced in rhesus monkeys (M. mulatta) and in crab-eating macaques (M. fascicularis).
(6) These findings provide ultrastructural correlates of the electrophysiological changes produced by glycerol treatment of the closer muscle of the ghost crab (Papir, 1973), namely, interference with excitation-contraction (e-c) coupling.
(7) A clottable protein, named coagulogen, was highly purified from the amoebocyte lysate of Japanese horseshoe crab (Tachypleus tridentatus) by a method similar to that used for the lysate of Limulus polyphemus amoebocytes.
(8) The carbon dioxide solubility coefficient, alphaCO2, and the apparent carbonic acid dissociation constants, K'1 and K'2 were estimated in the serum of the crab Carcinus maenas at various temperatures and ionic strengths.
(9) Two forms of cytochrome P-450 (P-450MC1 and P-450MC2) were purified from liver microsomes of crab-eating monkeys (Macaca irus) treated with 3-methylcholanthrene (MC).
(10) Electrical activity recorded intracellularly from peptidergic neurosecretory terminal dilatations in the sinus gland of crabs (principally Cardisoma guanhumi and C. carnifex) is described.
(11) Isolated muscle fibers from the motor legs of the crab Trichodactilus dilocarcinus were submitted to strong hyperpolarizing currents of varied intensities which produced tension during the current pulse.
(12) The amino acid sequence of troponin C obtained from horseshoe crab, Tachypleus tridentatus, striated muscle was determined by sequence analysis and alignments of chemically and enzymatically cleaved peptides.
(13) C.subimmaculatus was closely associated with a particular substrate and the presence of burrowing crabs.
(14) Our studies in crab-eating macaques indicate that presence in a mother's serum of potent antibodies reactive for red cells for her fetus will not necessarily cause erythroblastosis; in one case the maternal antibodies did not penetrate the placental barrier, and in two cases although the fetal red cells were maximally antibody-coated, they remained undamaged and the disease failed to develop.
(15) A 40-day adaptation of crabs to the freshened sea water results in an increase of maximal activity of Na,K-ATPase, but does not affect the enzyme affinity for ATP, Na+, K+, Mg2+ and ouabain, as well as its cooperative properties.
(16) When crab meat was ingested, none of these four arsenic species were observed at elevated levels until the urine was heated in 2N NaOH.
(17) Clots were allowed to form in samples of whole blood taken from the American horseshoe crab, Limulus polyphemus, in the absence and presence of dansylcadaverine (16), and were analyzed for their contents of N epsilon(gamma-glutamyl)lysine and gamma-glutamyl-dansylcadaverine.
(18) The experiments were performed on in vitro X-organ sinus gland neurosecretory systems from the eyestalk of the crab Cardisoma carnifex.
(19) On the upper reaches of the Cross River from the region around Mamfe and extending as far as the Nigerian fronter at Ekok, the crabs were infected exclusively with P. uterobilateralis.
(20) When the crabs Cancer antennarius and Petrolisthes cinctipes were in seawater (SW), amiloride (10(-4) M) reduced NH3 efflux by approximately 33 and 60%.