Results 241 to 250 of about 4,618,222 (282)
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The Extracellular Space of the Brain
1965Publisher Summary This chapter discusses the extracellular space of the brain. Some 10–15 % of the volume of the brain behaves as though it were extracellular, in the sense that under appropriate conditions an extracellular “tag,” such as sucrose, will come into equilibrium with it. The appropriate condition is that the sucrose should be presented by
H. Davson, M. Bradbury
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Extracellular superoxide dismutase (SOD3): An antioxidant or prooxidant in the extracellular space?
2020Superoxide dismutase 3 (SOD3 or EC-SOD) is the only scavenger of superoxide in the extracellular space allowing for the catalyzed dismutation of the superoxide radical into hydrogen peroxide. The activity and distribution of the enzyme are regulated at several levels, suggesting the need for balanced activity in the extracellular space.
Zachariae, Elias Didrik Francis M +2 more
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The extracellular space of rat intestine ?in vivo?
Pfl�gers Archiv European Journal of Physiology, 1972The extracellular space (ECS) of rat jejunum, ileum and colon were determined in “in vivo” condition both by means of a continuous perfusion technique and after ligature of the renal pedicles. As a marker, intravenously injected14C-polyethylenglycol (14C-PEG) was used.
G, Esposito, A, Faelli, V, Capraro
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Extracellular space determination in gallbladder mucosa
Biochimica et Biophysica Acta (BBA) - General Subjects, 1975Abstract Sucrose seems to be the best marker of the extracellular space in gallbladder mucosa. Inulin space is always smaller than sucrose space and the difference seems to be due to a sweeping-away effect in the intercellular channels as metabolic inhibitors and ouabain reduce it. Mannitol space continuously increases and this substance is likely to
D, Cremaschi, S, Hénin
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2001 interactions? An extracellular space odyssey
Current Opinion in Neurobiology, 1991Abstract Recent investigation has revealed an incredible degree of complexity in the types and functions of extracellular matrix molecules and their cellular receptors in the nervous system.
K J, Tomaselli, K M, Neugebauer
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THE EXTRACELLULAR SPACE IN EXPERIMENTAL BRAIN TUMORS
Acta Neurologica Scandinavica, 1971Experimental brain tumors were produced in mice with 20–methyl cholanthrene, and the uptake of radioactive extracellular markers was studied by tissue assay and autoradiography. The tracers included C14-sucrose, C14-inulin, and H3inulin. The water content and isotope concentration of both gliomas and meningiomas were higher than those of normal brain ...
T, Kobayashi, L, Bakay
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Regional Variation of Extracellular Space in the Hippocampus
Science, 1990The factors responsible for the unusual susceptibility of the hippocampus to seizures and ischemic cell damage are not well understood. The CA1 pyramidal subfield of the hippocampus is particularly vulnerable to seizure activity and damage after ischemia.
C J, McBain +2 more
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Plasticity of Extracellular Space
2002The extracellular space (ECS) of the nervous tissue is a microenvironment for nerve cells, and an important communication channel (1–4). It includes ions, transmitters, metabolites, peptides, neurohormones, other neuroactive substances, and molecules of the extracellular matrix (ECM), and directly or indirectly affects neuronal and glial cell functions.
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Distribution of the extracellular space of the amphibian lens
Experimental Eye Research, 1976Abstract The extracellular space of the amphibian lens, measured with [14C]inulin, was equivalent to 7% of the tissue water. In decapsulated lenses it was only 1·2% so that about 80% of the total extracellular space is located peripherally. The total [14C]mannitol space was larger (12%) though the capsular part was the same as that found using inulin.
T, Yorio, P J, Bentley
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Extracellular Space Measurements
1975The volume of the extracellular space in smooth muscle preparations is frequently required in the interpretation of studies of smooth muscle function. Recent examples include studies of: the mechanism of control of cellular volume (Brading, 1970); the fluxes of cations (Casteels, 1970; Goodford, 1970; Jones, 1970); the effects of Na+ pumping on ...
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