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At least 217 records · Page 12Linked to original sources
PubMed1994

The arterial system of the abdominal viscera and the pelvis of the dormouse, Eliomys quercinus (Gliridae, Rodentia).

This paper deals with the origin, arrangement and variations of the abdominal and pelvic arteries in the garden dormouse, Eliomys quercinus. Fourteen latex-injected specimens (10 males, 4 females) were analysed by dissection. Measurements from the aortic bifurcation to the origin of the major arterial trunks were taken. The results obtained are compared with those reported for other myomorph rodents. The general arterial system of the dormouse basically agrees with the patterns observed in other rodent species. However, Eliomys quercinus shows some distinguishing features, such as the particular origin of the left and right gastric arteries, the distal arrangement of the deep circumflex iliac arteries, especially the right one, and the source of the medial femoral circumflex artery as a branch of the femoral artery.

Abdomen↗
PubMed2000

Morphological features of neurons innervating different viscera in the cat stellate ganglion in postnatal ontogenesis.

Retrograde axonal transport of horseradish peroxidase (HRP) was used in this study to determine morphological parameters in the stellate ganglion (SG) in newborn, 10-, 20-day- and 1-month-old kittens. Neurons with the largest average size participated in innervation of the heart in newborn kittens and in innervation of the sternocleidomastoid muscle in other animals. The number of neurons sending their axons to target-organs also changed in postnatal ontogenesis. Regardless of the site of HRP injection at animals of all ages labeled neurons in the SG were located in certain zones on a topographical basis. Thus, it is concluded that in postnatal ontogenesis the neuronal organization of the SG changes in parallel to the increase of neuronal sizes and ganglion cross section area and practically finishes at 1 month of age.

Animals↗
PubMed2001

Kinetic and structural properties of two isoforms of trypsin isolated from the viscera of Japanese anchovy, Engraulis japonicus.

Two isoforms of anchovy trypsin (aT-I and aT-II) were purified from the visceral extracts by (NH4)2SO4 fractionation followed by affinity chromatography, gel filtration, and ion-exchange chromatography. The homogeneity of the purified preparation was evidenced by both native- and SDS-PAGE, and further by gelatin zymography. Identities of aT-I and aT-II as trypsins were established by N-terminal amino acid sequencing, which matched exactly to the corresponding stretches of their respective amino acid sequences obtained by molecular cloning [Ahsan et al. (2000), Marine Biotechnol., in press]. Both isoforms were completely inhibited by serine protease inhibitors as well as by specific trypsin inhibitors. The purified anchovy trypsins showed considerably higher catalytic efficiencies (kcat/Km) than bovine trypsin as measured toward benzoyl-arginine p-nitroanilide (BAPA) and benzoyl-arginine ethyl ester (BAEE) at 25 degrees C; in particular, aT-II was 35 times more efficient than its mammalian counterpart against BAPA. This was due mainly to a dramatic decrease of Km values for anchovy trypsins, which are indicative of an evolutionary response toward increased substrate binding at suboptimal temperatures in the marine environment.

Amino Acid Sequence↗
PubMed2002

Erysod, erythrocyte superoxide dismutase preparation: effects on LPO processes and morphological changes in the viscera of rats with burns under conditions of delayed antishock infusion therapy.

Biochemical and morphological changes in the kidneys, liver, heart, and lungs were studied in rats with deep burns of 20% body surface. Erysod (0.47 mg/kg/day) added to antishock therapy notably reduced the intensity of LPO processes in tissues both in cases when infusion therapy was started immediately (by 8-20% 12 h and by 5-24% 24 h after the injury) and when this therapy was 6 h delayed (by up about 36% after 12 h). This prevented injuries to visceral organs during the acute period of thermal injury and prevented the development of burn disease.

Animals↗
PubMed1951

Anemia plus hypoproteinemia in dogs; various proteins in diet show various patterns in blood protein production; beef muscle,. egg, lactalbumin, fibrin, viscera, and supplements.

Dogs with sustained anemia plus hypoproteinemia due to bleeding and a continuing low protein or protein-free diet containing abundant iron have been used in the present work to test food proteins and supplements as to their See PDF for Structure capacity to produce new hemoglobin and plasma proteins. The reserve stores of blood protein-producing materials are thus largely depleted in such animals and sustained levels of 6 to 8 gm. per cent hemoglobin and 4 to 5 gm. per cent plasma protein can be maintained for considerable periods of time. The stimulus of double depletion drives the body to use all protein building materials with the utmost conservation. This represents a severe biological test for food and body proteins and its assay value must have significance. Measured by this biological test in these experiments, casein stands well up among the best food proteins. The ratio of plasma protein to hemoglobin is about 40 to 50 per cent, which emphasizes the fact that these dogs produce on most diets about 2 gm. hemoglobin to 1 gm. plasma protein. The reason for this preference for hemoglobin production is obscure. The mass of circulating hemoglobin is greater even in this degree of anemia and the life cycle of hemoglobin is much longer than that of the plasma protein. Egg protein, egg albumin, and lactalbumin all favor the production of more plasma protein and less hemoglobin as compared with casein. The plasma protein to hemoglobin ratio is increased, sometimes above 100 per cent. Supplements to the above proteins of casein digests or several amino acids may return the response toward that which is standard for casein. Histidine as a supplement to egg protein increases the total blood protein output and brings the ratio of plasma protein to hemoglobin toward that of casein. Beef muscle goes to the other extreme and favors new hemoglobin production up to 4 gm. hemoglobin to 1 gm. plasma protein-a ratio of 25 per cent. The total amounts of new blood proteins are high. Lactalbumin as compared with casein shows a lower total blood protein output and a plasma protein to hemoglobin ratio of 70 to 90 per cent. Amino acid supplements are less effective. See PDF for Structure Fibrin is a good food protein in these experiments-much like casein. When fed over these 5 week periods it causes a sustained increase in blood fibrinogen. Folic acid in the doses given has no effect on the expected response to various diets. Peanut flour is a very poor diet for the production of new hemoglobin and plasma proteins. Small supplements of casein and beef show a significant response with improved output of blood proteins. Soy bean flour gives a poor response and wheat gluten a good response with adequate output of blood proteins. Visceral products show some variety. Beef heart is not as effective as beef muscle. Beef spleen, kidney, and pancreas give good responses but not up to casein. Pig stomach, beef brain, and calf thymus are below average. The plasma protein to hemoglobin ratio shows a narrow range (40 to 60 per cent) in experiments with visceral products.

Amino Acids↗