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The Journal of physiology.
Publisher:
Cambridge Univ. Press.. Oxford : Blackwell : Cambridge Univ. Press
Frequency: Twenty-seven no. a year, 2002-
Country: England
Language: English
Author(s):
Physiological Society (Great Britain)
Start Year:1878 -
ISSN:
0022-3751 (Print)
1469-7793 (Electronic)
0022-3751 (Linking)
1469-7793 (Electronic)
0022-3751 (Linking)
Impact Factor
5.5
2023
| NLM ID: | 0266262 |
| (DNLM): | J35160000(s) |
| (OCoLC): | 01754742 |
| Coden: | JPHYA7 |
| LCCN: | 49034373 |
| Classification: | W1 JO837 |
Sweat gland function in isolated perfused skin. 1. A technique for perfusion of skin has been used to investigate a possible neurochemical basis for the different patterns of sweating in domestic animals. Evaporative water loss was measured from excised trunk skin, ears or tails perfused with a nutrient Krebs solution, to which drugs were added as required. Perfused skin was observed to sweat in response to administration of sudorific drugs, and some features of the patterns of sweating were similar to those which could be induced by heating or by drugs in conscious animals. 2. In sheep and goat skin, injections of adrenaline, and to a less...
A comparative study of blood gas tensions, oxygen affinity and red cell 2,3 DPG concentrations in foetal and maternal blood in the mare, cow and sow. 1. Blood gas tensions, pH, PCV, O(2) affinity and red cell 2,3-diphosphoglycerate (DPG) levels have been measured in uterine and umbilical blood in conscious cows and mares with indwelling vascular catheters and in sows under sodium pentobarbitone anaesthesia.2. Large P(O2) gradients (20-24 mmHg) were observed between the uterine and umbilical venous blood in the cow and pig, while in the mare the corresponding P(O2) difference was only 2.7 +/- 1.7 mmHg. Alterations in maternal arterial P(O2) did not affect the large vein-to-vein P(O2) difference in either ruminant or pig.3. In the cow the pre...
Catecholamine secretion by the adrenal medulla of the foetal and new-born foal. 1. The content and output of adrenaline and noradrenaline from the equine adrenal medulla has been investigated under different conditions in foetuses, foals and adult mares.2. In the foetus only small amounts of both amines were secreted in response to stimulation of the peripheral ends of the splanchnic nerves to the gland; during anoxia the adrenal discharge was far greater and was independent of any nervous mechanism.3. Whereas in the ruminant a direct adrenal response to low P(O2) is confined to the noradrenaline cells during foetal life only, the adrenal medulla of the foetal foal secret...
A study of parotid salivation in the horse. 1. Saliva flowed from the horse's parotid duct only during mastication.2. The surface-active local anaesthetic administered by mouth inhibited salivary secretion.3. Salivary secretion was stimulated by pilocarpine and inhibited by atropine.4. The volume and composition of saliva secreted in 24 hr from one parotid duct was determined.5. The concentration of sodium, potassium, calcium, chloride and bicarbonate depended upon the rate of flow. The highest concentrations of these electrolytes were observed during periods of high flow rates.6. Horse parotid saliva contained a high concentration of c...
