The theory that water reabsorption in the renal tubules is partitioned between an obligatory (proximal) and a facultative (distal) process (Smith, '51) is based in part on the fact that of the total water contained in the glomerular filtrate only a limited fraction (on the average about 15%) is avai
The effect of variation in filtration rate on the urinary concentrating mechanism in the seal, Phoca vitulina L.
โ Scribed by Page, Lot B. ;Scott-Baker, J. C. ;Zak, G. A. ;Becker, E. L. ;Baxter, C. F.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1954
- Tongue
- English
- Weight
- 573 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0095-9898
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โฆ Synopsis
I k p a i t m e n t of
Physiology, S e w P o r k University CoEZege of Medicine, New Y o l k aiid the &It.
๐ SIMILAR VOLUMES
The harbor seal (Phoca vitulina, L.) must tolerate repeated periods of asphyxia as a consequence of the apnea of diving. Irving, Scholander and Grinnell ( '42) have shown that the hemodynamic responses to diving involve the development of bradycardia and diminution of blood flow through the muscles
The adaptive response of the seal to diving appears composed of two changes, a reflex bradycardia with resultant decrease in cardiac output reported by Scholander ('40), and an arterial constrictor response with cessation of blood flow through muscle beds described by Irving, Scholander, and Grinnel
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