Analyses were made of total sodium, potassium and chloride content and of inulin space in
dog carotid artery. The K i /K o gradient was found to be 125/4. Sodium space calculated …

Plasma of renoprival hypertensive rats was found to have an exaggerated constrictor effect
on isolated rat aorta strips, however, no pressor effect was produced in acutely …

NATOMICAL descriptions of arteriove-A nous anastomoses (AVA) have been in the literature
for nearly a century (I, 2) and their physiological role has been the subject of considerable …

The tissue sample, about 14 mg., is placed in isotonic 1 per cent. inulin or 1.7 per cent.
sucrose Krebs solution for 8 hr. and transferred to water for 12 hr. It is assumed that the …

METHODS The technique used for observing the responses of the terminal vascular bed to
the various constrictor substances was essentially similar to that described by Zweifach (5). …

The pressor response of nephrectomized rats to an injection of renin is marked by a prolonged
stable plateau. A similar, prolonged response to angiotensin has been demonstrated and …

Rings of dog carotid 2–3 mm in width were placed in a physiological salt solution,
equilibrated, under 1 g of tension, at 37 C for 2 hr and were then stimulated electrically or with …

HE endocrine factors involved in the ovulation process in vertebrates have been extensively
studied since Ascheim (1926), Smith (1926), and Zondek (1926) independently showed that …

It has been reported previously (I) that two known inhibitors of the cyto-chrome oxidase
system inhibit in vitro ovulation of fragments of ovaries of Rana pipiens. Since the specificity of …

METHODS Female rats averaging 107.5 gm in weight at the time of irradiation were used
throughout. The animals received a diet of Rockland Farm Rat Pelletts. Food was removed …