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Nonadrenergic Hormonal Alterations in Congestive Heart Failure
When cardiac output falls after an insult to the myocardium, several neurohormonal mechanisms are activated in an attempt to preserve circulatory... -
Dual action of angiotensin II on coronary resistance in the isolated perfused rabbit heart
We studied the functional role of angiotensin II (AII) receptor subtypes and vasodilatory endothelial autacoid release in response to AII in isolated...
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Atrial Natriuretic Peptide
The atrial natriuretic peptide (ANP) is part of a new family of cardiac hormones regulating water and salt homeostasis. Besides acting as a blood...
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Immunohistochemical and biochemical characterization of antisera raised to human tumor nucleoli
Antinucleolar antisera were raised in rabbits, goats and sheep to nucleoli isolated from three human tumor cell lines. The antisera were shown to...
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Active Galaxies
From the knowledge of the spectral distribution of energy radiated by extragalactic objects we can infer the emission mechanisms which generate the... -
Three Modes of Communication in the Nervous System
How excitable cells communicate with each other has been the subject of continued study over the past 50 years. Much of the research done thus far... -
Hereditary Characters in Relation to Evolution1
II. (1)FIRST, then, what are the facts as to numerous * finely graded variations in a single unit factor? Here we have certain remarkable data as to...
in Nature -
University and Educational Intelligence
BRISTOL.—A new chair of physical chemistry has been established in the University on the endowment of Lord Leverhulme. Capt. J. W. McBain, lecturer...
in Nature -
Die Wachstumstendenzen der Staaten und die Staatsgrenzen
„Alle Staatenentwicklung steht unter dem Gesetz des Fortschreitens von engen zu weiten Räumen.“ Mit diesen wenigen Worten hat Ratzel1) eines der... -
Ergebnisse und Probleme aus der Chemie, physikalischen Chemie und Physik der makromolekularen Stoffe
Das Ziel der physikalischen Chemie ist die quantitative Erforschung der Gesetzmäßigkeiten, die die Zustände und Umwandlungen der Materie beherrschen,... -
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The Imperial Entomological Conference
THE Committee of the Imperial Bureau of Entomology may be congratulated on the success of the Entomological Conference which met on June 1-11 in the...
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Societies and Academies
PARIS. Academy of Sciences, September 1.—M. Leon Guig-nard in the chair.—A. Lacroix: The mineralogical and chemical constitution of the volcanic...
in Nature