2 edition of histochemical study of glycogen in arctic and temperate birds. found in the catalog.
histochemical study of glycogen in arctic and temperate birds.
Francis Joseph Veale
Written in English
|The Physical Object|
|Pagination||vi, 74 leaves ;|
|Number of Pages||74|
Arctic ground squirrels (Spermophilus parryii) overwinter in hibernaculum conditions that are substantially below torpor, captive arctic ground squirrels displayed ambient temperature (T a)-dependent patterns of core body temperature (T b), metabolic rate (TMR), and metabolic fuel use, as determined by respiratory quotient (RQ).At T a 0 to −16°C, T b remained . glycogen, a rapidly available energy storage form, comprises the main readily mobilized energy resource deposit and is distributed in high-energy-consuming organs (10, 46).It has been well documented that glycogen serves as an emergency fuel supply for highly energy-dependent organs, such as the liver, muscles, and brain (5, 6, 35).Indeed, the rate of degradation or synthesis of glycogen is a.
The expression of the genes for several enzymes critical for glycogen metabolism, including those for glycogenin (Gyg), glycogen synthases 1 and 2 (Gys1 and -2), UDP-glucose pyrophosphorylase (Ugp2), and 1,4-α-glucan branching enzyme (Gbe1), was also comparable to wild-type expression (Fig. (Fig.5G; 5G; Table Table1). 1). The marked reduction. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker. Audio. An illustration of a " floppy disk. Software. An illustration of two photographs. Images. An illustration of a heart shape Donate. An illustration of text ellipses. More. An icon used to represent a menu that can be toggled by interacting.
One study reports predation by large birds such as golden eagles or eagle owls. Many tree squirrels are eaten by many predators; Eurasian red squirrel are consumed by pine martens, wild cats, some owls, and raptors (De Cupere et al., ; Lurz, Gurnell, and Magris, ). 5. Fats contain saturated fatty acids and are solid at room temperature (e.g. butter). 6. Oils contain unsaturated fatty acids and are liquid at room temperature. 7. Animals use fat rather than glycogen for long-term energy storage; fat stores more energy. B. Phospholipids: Membrane Components. 1.
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Immediately after birds slaughter and washed with (0,9%) normal saline solution and it kept in (10%) formaline approximately (48) hours at room temperature. The specimens were taken from right and left lobes of liver for histological and histochemical study.
A histochemical study of some enzymatic steps in intermediary metabolism and glycogen synthesis in the regenerating limb of the adult Triturus viridescens is presented.
There is increasing activity of the pentose phosphate shunt, an alternate pathway of carbohydrate metabolism, associated with dedifferentiation as demonstrated by a striking increase in glucose 6-phosphate dehydrogenase Cited by: MANCINI RE, NOLAZCO J, DE LA BALZE F. Histochemical study of normal adult human testes.
Anat Rec. Oct; (2)– MARSHALL AJ, COOMBS CJ. Lipoid changes in the gonads of wild birds; their possible bearing on hormone production, sexual display and the breeding season. Nature. Feb 16; ()– MONTAGNA by: Analysis of reactions with the combination of histochemical methods employed in this study (Table 1, Table 2, Table 3) for the visualization and identification of GPs and glycogen indicates that GPs with oxidizable vicinal diols are present in small concentrations in the epithelial cells at the outer zone epithelium and in trace amounts in the Cited by: 3.
A study on the microscopic anatomy of the uropygial gland was conducted in 10 female and 10 male one-year-old healthy geese (Anser Anser). The tissue samples were stained by haematoxylin eosin and. In the present study histochemical and lectin- cells typically were rich in lipids as mentioned by (Montalti et al.,Salibián andMontalti, ) in other birds, however these lipids are.
MOST muscles are composed of a mixture of two types of muscle fibre which can be shown to differ in myoglobin content. Slow type 1 fibres are narrow, contain numerous mitochondria and are poor in. 1. Introduction. The locomotory musculature of mammals, amphibians and birds contains a complex distribution of several fibre types classified into three types (I, IIA and IIB), which differ in mean size and in staining properties (Burke et al.,Lannergreen and Hoh,Rowlerson and Spurway,Chayen et al., ).On the basis of some enzyme activities, type I fibres, also called.
A light microscopic morphological and histochemical study was undertaken to deter- mine the characteristics of the rattlesnake shaker muscle which provide these rather unique properties.
This study demonstrates that individual rattlesnake shaker muscle fibers contain features of both red and white fibers, a quality found in few other muscles.
The glycogen body (GB) is at the dorsal area of the lumbosacral spinal cord in birds and is composed of uniform cells that are characterized by high-glycogen storage. Previous morphological and embryological examinations suggest that the GB is derived from the neuroepithelium and contains many blood vessels and a few nerve fibers.
The current study was carried out on eight healthy geese from the Iraqi breed of Geese "Anser anser " to detect the anatomical and histological features of the ovary and oviduct, birds were.
The present study was carried out to investigate the potential protective effects of tomato paste (9 mg lycopene kg-1 ) in comparison with vitamin E (50 mg kg-1 ) against the impacts of cadmium (Cd) toxicity ( mg L-1, ¼ of 96 h- LC 50) Oreochromis niloticus exposed for 15 and 30 days.
Cd impacts were evaluated in terms of histopathological and histochemical characteristics of. Introduction. To ensure survival and ecological success, animals have to maintain energy demanding processes like metabolism, growth, and reproduction.
1 Therefore, animals have to intake, process, and allocate energy, proteins, and other nutrients. 2 These requirements must be covered by food intake to assure survival. The conversion of food into metabolizable energy occurs in the.
Bar represents p.m. a, zonal reduction of glycogen in perivenular areas (PAS reaction); b, decreased expression of glucose transporter GLUT 2 closely related to the zone of glycogen depletion.
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Murray H. M., Wright G. M., Goff G. A comparative histological and histochemical study of the post-gastric alimentary canal from three species of pleuronectid, the Atlantic halibut, the yellowtail flounder and the winter flounder.
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Flight is the major means of transport in birds and the study of locomotion in these animals has an extra dimension compared with that in some other vertebrates, for many species of birds migrate twice a year over long distances, sometimes without stopping and sometimes at high altitude.