(n.) Any fish belonging to the Dipnoi; -- so called because they have both lungs and gills.
Example Sentences:
(1) Two of the corresponding lungfish trypsins were found to have identical amino-terminal sequences for at least 27 residues.
(2) Modern lungfish are air-breathing nonmarine forms, yet their Devonian forebears were marine fish that did not breathe air.
(3) The feeding mechanism of the South American lungfish, Lepidosiren paradoxa retains many primitive teleostome characteristics.
(4) The development of the vasculature of the pectoral fin in the Australian lungfish, Neoceratodus forsteri, was studied by the dye-injection method.
(5) Effects of adrenergic and cholinergic drugs were studied on isolated preparations from the heart, the lung and the spleen of the African lungfish.
(6) The overall pattern of the primary retinofugal projections is markedly similar to that of amphibians which suggests that lungfishes may be more closely related to amphibians than to actinopterygian fishes.
(7) Because there is such similarity between these results and effect of lung inflation on control of inspiratory time in mammals, it is postulated that neural circuits for control of respiratory timing were already developed and similar in the lungfish.
(8) Besides supporting the theory that land vertebrates arose from an offshoot of the lineage leading to lungfishes, the molecular tree facilitates an evolutionary interpretation of the morphological differences among the living forms.
(9) These results provide the first evidence for the presence of alpha-MSH-related peptides in the brain of a lungfish.
(10) Comarisons have been made of the structure of layers lining the lungs of lungfish, frog and rat using material fixed by perfusion of the pulmonary circulation of physiological pressures and at normal air pressures within the lung.
(11) Blood respiratory properties have been studied in awake and estivating African lungfish, Protopterus amphibius.
(12) Ascending PVO projections appear to be particularly well developed in lungfish compared with other species and may be related to specialized endocrine mechanisms in this group of vertebrates.
(13) Among living fish, the coelacanth Latimeria chalumnae (Actinistia), which is the only recent representative of the Crossopterygii (Actinistia and Rhipidistia), the lungfish (Dipnoi) and ray-finned fish (Actinopterygii), have each been considered as sister-groups of the tetrapods.
(14) Lungfish fructose diphosphatase is inhibited by low concentrations of AMP, and the affinity of the enzyme for AMP is insensitive to temperature.
(15) Meyer and Wilson's (1990) 12S rRNA phylogeny unites lungfish and tetrapods to the exclusion of the coelacanth.
(16) The telencephalon of the African lungfish, Protopterus annectens, was studied by immunohistochemical techniques in order to identify the major subdivisions of the telencephalon and determine the possible homologues of these subdivisions, if any, in other vertebrates.
(17) As in the lungfish Protopterus, Polypterus cerebrosides and sulfatides contained alpha-hydroxy fatty acids.
(18) It attests to the close phylogenetic relationship of lungfishes to amphibians.
(19) The dorsomedial part of the lepidosirenid telencephalon corresponds to the septum in the most plesiomorphic living lungfish, Neoceratodus forsteri, but it differs considerably from the dorsomedial telencephalon (medial pallium) in amphibians.
(20) The course of the nervus terminalis through the dorsomedial telencephalon in lungfishes supports the interpretation that this part of the brain constitutes the septum, and not a pallial structure.
Tuna
Definition:
(n.) The Opuntia Tuna. See Prickly pear, under Prickly.
(n.) The tunny.
(n.) The bonito, 2.
Example Sentences:
(1) The Liberal party received $320,000 from the Australian Southern Bluefin Tuna Industry Association.
(2) The methanol-ammonia (20:1) and chloroform-methanol-ammonia (2:2:1) systems, used with silica-gel plates, are the most promising for rapid preliminary screening of tuna fish extracts for histamine.
(3) Nutritionists recommend we consume two portions a week of fish, including one of oily fish such as mackerel, herring and tuna.
(4) Immunological properties of the tuna glucagon were analyzed by radioimmunoassay, showing a high degree of cross-reactivity with the 30K antibody.
(5) On the other hand, introduction of the mixed protein into a diet based on flour plus tuna sterilized at 115 degrees C for 90 minutes, was not capable of maintaining the optimum patterns for weight evolution.
(6) In quiescent BAECs, tuna AI (1 microM) apparently induced c-myc and platelet derived growth factor (PDGF) A-chain messenger ribonucleic acid (mRNA) expressions within 30 min, which persisted for 6 h. In contrast, captopril induced a very low expression of c-myc mRNA, and had no relation to PDGF A-chain mRNA expression.
(7) The levels were 10 times higher than those found in tuna in the same area in previous years, but still well below those that the Japanese and US governments consider a risk to health.
(8) Three foods were preferred by case patients more frequently than by control patients: tuna fish, chicken salad, and cheese.
(9) The bluefin tuna, which has been endangered for several years and has the misfortune to be prized by Japanese sushi lovers, has suffered a catastrophic decline in stocks in the Northern Pacific Ocean, of more than 96%, according to research published on Wednesday.
(10) It went into tinned soups, salad dressings, processed meats, carbohydrate-based snacks, ice cream, bread, canned tuna, chewing gum, baby food and soft drinks.
(11) The ATPase activity of tuna dorsal HMM was found to be very similar to that of rabbit skeletal HMM in many respects: KCl concentration dependence, pH dependence, effect of pCMB, kinetic parameters (Vmax and Ka) in actin activation, and Arrhenius activation energy.
(12) It is concluded that changes in pH following temperature changes can be accounted for solely by the passive, in vitro behaviour of the chemical buffer system found in the blood, so that active regulatory mechanisms of pH adjustment need not be postulated for skipjack tuna.
(13) The ion binding properties of horse, bovine, and tuna cytochrome c (both oxidized and reduced) have been measured using a combination of ultrafiltration, neutron activation, and ion chromatography.
(14) Midway through a mouthful of tuna sashimi, I confess I struggle to see her as, well… "A musical actress?"
(15) Illegal bounty from the sea Facebook Twitter Pinterest The central and western Pacific is a rich fishing ground, providing an estimated 60% of the world’s tuna catch for a $7bn annual global market.
(16) The larger width of lifetime distribution observed for TNS bound to tuna apomyoglobin was related to a more extended conformational space accessible to the fluorophore in this protein compared to sperm whale myoglobin.
(17) Both those stores, the group said, offered pole-and-line caught tinned fish and had said they were committed to improving the sustainability of their fish, but the majority of their tuna was caught using the purse seine method.
(18) A novel inhibitor of angiotensin-converting enzyme (ACE) has been discovered and isolated in a pure form from acid extract of tuna muscle by successive column chromatographies and HPLC.
(19) Shrimp, canned tuna and salmon are the top choices .
(20) The sites in oxidized cytochromes c are the COOH-terminal sides of Tyr-48, Phe-46 and Tyr-46 for horse, rabbit and tuna cytochromes c, respectively.