(n.) Any large macrurous crustacean used as food, esp. those of the genus Homarus; as the American lobster (H. Americanus), and the European lobster (H. vulgaris). The Norwegian lobster (Nephrops Norvegicus) is similar in form. All these have a pair of large unequal claws. The spiny lobsters of more southern waters, belonging to Palinurus, Panulirus, and allied genera, have no large claws. The fresh-water crayfishes are sometimes called lobsters.
Example Sentences:
(1) Quantitative measurements for 5-HT in lobster larvae were performed using high pressure liquid chromatography (HPLC) with dual electrochemical detection and for proctolin using radioimmunoassay.
(2) However, the 'essential' cysteine residue 165 is replaced by threonine, as it is in the L-lactate dehydrogenase of lobster.
(3) The responses of a population of 30 olfactory receptor cells from spiny lobsters to 8 behaviorally relevant complex types of stimuli at 0.005, 0.05 and 0.5 mM were analyzed using multidimensional scaling to evaluate their potential for coding quality and intensity.
(4) Using a spectrophotometric method, the kinetics of the crustacean muscle enzyme was compared to the acetylcholinesterase (AChE) on mammalian red blood cells and in the lobster ventral nerve cord.
(5) In crustacean nerve 12-14% of the phospholipids was in the form of alkyl ether phospholipids, which in the lobster were approximately half choline-containing and half ethanolamine-containing.
(6) Extracellular responses to complex biologically relevant stimuli were recorded from 30 primary olfactory cells from excised antennules of spiny lobsters.
(7) Analogues of arginine inhibit the exchange reaction of the lobster enzyme but enhance that of the Holothuria enzyme.
(8) Earlier studies identified purinergic chemoreceptors in the olfactory organ of the spiny lobster, Panulirus argus.
(9) The last in a line of fishermen, his 87-year-old grandfather is still catching lobsters.
(10) In view of the small molecular size and high lipid solubility of methyl mercury and the lipophilic properties of the chitin-protein exoskeleton of the lobster, it is likely that significant uptake directly from the water as well as storage of absorbed methyl mercury occurred in the tail region.
(11) The strongest extension response was produced at 2 Hz which falls within the normal range of swimmeret beating in intact lobsters.
(12) Feathered hair sensilla fringe both rami of the lobster (Homarus americanus) swimmeret.
(13) Of the other alkali-metal ions tested, only Rb+ activated phosphofructokinase from lobster abdominal muscle and rat heart muscle.
(14) This type of innervation was compared between a small and a large lobster where a two-fold difference in mean quantal content of synaptic transmission was found.
(15) The in vitro rates of incorporation of precursors into protein and RNA and the concentration of RNA were measured in tissues of intermolt and premolt lobsters acclimated to 5 degrees C and 20 degrees C. Midgut gland, abdominal muscle and gill of intermolt lobsters respond to temperature acclimation by a compensatory translation of the rate-temperature (R-T) curves with respect to the rates of incorporation of 3H-leucine and 3H-uridine into the acid-insoluble fraction.
(16) The role of histidyls in lobster arginine kinase (EC 2.7.3.3) has been studied by 1H-NMR spectroscopy of the enzyme and its complexes with substrates or their analogues and 31P-NMR spectroscopy of complexes with ADP.
(17) When the monocarboxymethylated enzyme was briefly treated with small amounts of iodine, iodination could be confined almost entirely to tyrosine-46 in the lobster enzyme; tyrosine-39 or tyrosine-42, or both, were also beginning to react.
(18) You’d be hard pushed to find half a dozen fresh oysters at this great price.” Frozen food giant Iceland sparked lobster wars last month with what it claimed was the cheapest cooked crustacean in Britain.
(19) Estrone, 17 beta-estradiol, or 17 alpha-estradiol was formed by central neural tissues of all species, with the exception of the opossum, hagfish, and lobster.
(20) Two metallothionein (low-molecular-weight, metal-binding proteins) preparations, MT-1 and MT-2, have been isolated from the digestive gland of American lobster (Homarus americanus) contaminated with Cd.
Pincers
Definition:
(n. pl.) See Pinchers.
Example Sentences:
(1) Because the fossil fuel industry faces a closing pincers.
(2) The worrying consequence is that the operating companies may find themselves the victims of an uncomfortable pincer movement.
(3) The hypophysis was ablated by catching its rostral end with a pincer.
(4) This was consistently shown in all modalities of assessments which included patients' assessments (P < 0.001) and investigator's assessments (P < 0.001) of the percentage change in nodule size, and gross measurements of nodule volumes using a pincer (P < 0.001).
(5) To our knowledge, this is the first report of a method of stretching the interdigital skin of syndactyly by means of a pincer.
(6) Opposition factions north of Aleppo have been increasingly stuck “between the pincers” of YPG forces on one side and pro-government fighters on the other, a military source said.
(7) "News Corp always worked a double pincer, offering fear and favour.
(8) In two patients with total loss of all digits, pincer pinch was restored by the transfer of two separate toes, one to each side of the stump.
(9) Murphy said Scotland could be “caught in a pincer movement between the leader of the SNP and new leader of the Tory party”.
(10) In the heat of battle, Turkish troops and Kurdish fighters turn on one another, fighting their age-old war, though both are supposed to be fighting a common enemy, Islamic State (Isis), advancing on the battered, tortured civilians of Aleppo and other Syrian and Kurdish communities in a murderous pincer movement.
(11) With GCSE English, we're still at the draft stage, but we can already see that there is a pincer movement going on.
(12) Nine patients who had suffered mutilating injuries of the hand with preservation of only one digit and loss of the others at metacarpal level have been treated by transfer of the second toe onto a metacarpal stump to restore pincer grip.
(13) The use of titanium alloys is recommended for making bone-joining members, retracting medical instruments, of the spatula and speculum types, some kinds of non-magnetic pincers and ultrasonic medical instruments.
(14) PINCERS may also be used to assist in planning the synthesis of mixed-probe DNA sequences for cross-hybridization experiments.
(15) Scores of reporters have been killed – often tortured and decapitated – in what is now seen as a pincer-movement against their work by drug cartels and the state.
(16) The greater the extent of pyramidal tract destruction, the longer the time necessary for recovery of both discrete finger movement and pincer grasp, the greater the effort needed to attain recovery of hand function, and the weaker the affected musculature.
(17) Dentin thickness was measured using a pincer caliper.
(18) In the inflammatory mycoses the author recommends an oral treatment consisting in griseofulvin, and, in case of severe inflammation, prednisone per os at the same time with a local treatment (painting with alcohol iodate 1%, followed by the application of a cream with cortisone associated with an antimicrobial antibiotic and pincer epilation).
(19) A goalless first half had been a triumph, not as it turned out, for Argentina’s golden flea, but for Queiroz’s pincer-like squeeze.
(20) A problem needing investigation is the principle of cardiomyoplasty (CMP) itself, as the muscle acts more as a lift than as pincers.