Relation Of Local Skin Temperature And Local Sweating To Cutaneous Blood Flow
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Relation Of Local Skin Temperature And Local Sweating To Cutaneous Blood Flow
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Author : Leo Senay
language : en
Publisher:
Release Date : 1962
Relation Of Local Skin Temperature And Local Sweating To Cutaneous Blood Flow written by Leo Senay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Blood categories.
Relation Of Local Skin Temperature And Local Sweating To Cutaneous Blood Flow
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Author :
language : en
Publisher:
Release Date : 1962
Relation Of Local Skin Temperature And Local Sweating To Cutaneous Blood Flow written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.
The relationship of local skin temperature and the onset of sweating to the local cutaneous blood flow was studied in the forearm and calf. T HE PURPOSE OF THE INVE TIGATION WAS TO APPRAISE THE POSSIBLE RELATION OF SWEAT GLAND ACTIVITY TO THE CUTANEOUS VASODILATATION WHICH HAS BEEN ATTRIBUTED TO BRADYKININ OR TO INTRACRA IAL TEMPERATURES. The onset of sweating was not marked by any apparently related increases in the rate of cutaneous vasodilatation. On the contrary, the onset of sw ating was follo ed often by a stabilization or ev n a decrease in the l vel of cutaneous blood flow. The relations of the latter to the local skin temperature were complex, particularly in the forearm. There appeared to be additional unidentified influences, possibly vasomotor, operating on the skin vessels during transitional phases in the relation of skin temperature to blood flow. (A UTHOR).
Relation Of Local Skin Temperature And Local Sweating To Cutaneous Blood Flow
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Author : LEO JR. SENAY
language : en
Publisher:
Release Date : 1962
Relation Of Local Skin Temperature And Local Sweating To Cutaneous Blood Flow written by LEO JR. SENAY and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.
The relationship of local skin temperature and the onset of sweating to the local cutaneous blood flow was studied in the forearm and calf. T HE PURPOSE OF THE INVE TIGATION WAS TO APPRAISE THE POSSIBLE RELATION OF SWEAT GLAND ACTIVITY TO THE CUTANEOUS VASODILATATION WHICH HAS BEEN ATTRIBUTED TO BRADYKININ OR TO INTRACRA IAL TEMPERATURES. The onset of sweating was not marked by any apparently related increases in the rate of cutaneous vasodilatation. On the contrary, the onset of sw ating was follo ed often by a stabilization or ev n a decrease in the l vel of cutaneous blood flow. The relations of the latter to the local skin temperature were complex, particularly in the forearm. There appeared to be additional unidentified influences, possibly vasomotor, operating on the skin vessels during transitional phases in the relation of skin temperature to blood flow. (A UTHOR).
Local Sweating And Cutaneous Blood Flow During Exercise In Hypobaric Environments
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Author : Margaret A. Kolka
language : en
Publisher:
Release Date : 1987
Local Sweating And Cutaneous Blood Flow During Exercise In Hypobaric Environments written by Margaret A. Kolka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
The effect of acute hypobaric hypoxia on local sweating and cutaneous blood flow was studied in four men and four women (follicular phase of menstrual cycle), who exercised at 60% of their altitude-specific peak aerobic power for 35min at barometric pressures (Pb) of 770 Torr (sea level), 552 Torr (2,596 m), and 428 Torr (4,575 m) at an ambient temperature of 30 deg C. We measured esophageal temperature (Tes), mean skin temperature (T sk, 8 sites), and local sweating (ms) from dew-point sensors attached to the skin at the chest, arm, and thigh. Skin blood flow (SkBF) of the forearm was measured once each minute by venous occlusion plethysmography. There were no gender differences in the sensivity (slope) or the threshold of either ms/Tes relationships for the three regional sites decreased with increasing altitude, although these differences were not significant between the two lower PBs. The slope of SkBF/T was reduced in five of the eight subjects at 428 Torr. Enhanced body cooling as a response to the higher evaporative capacity of the environment is suggested as a component of these peripheral changes occuring in hypobaric hypoxia.
Cutaneous Blood Flow And Local Sweating After Systemic Atropine Administration
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Author : Margaret A. Kolka
language : en
Publisher:
Release Date : 1986
Cutaneous Blood Flow And Local Sweating After Systemic Atropine Administration written by Margaret A. Kolka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Localized cutaneous vasodilation (flush) is seen following systemic atropine administration. To verify calculated enhanced dry heat loss with actual changes in cutaneous blood flow, four men were studied in both control and atropine experiments during moderate exercise. Esophageal temperature (Tes) and arm sweating (ms) by local dewpoint were measured continuously. Skin (forearm) blood flow (FBF) was measured twice each minute by venous occlusion plethysmography. Injection of atropine (2 mg) caused an increased sensitivity in FBF to Tes with no change in the vasodilator threshold. An elevated Tes onset for sweating occurred with no change in the sensitivity of ms to Tes. No elevation in either forearm or Tsk occurred before the onset of vasodilation, however, both mean skin (Tsk) and local arm temperatures were higher in the atropine experiments after 15 minutes of exercise. Systemic atropine resulted in higher cutaneous vasodilation at the same core temperature with the local skin temperature following passively. The effect of systemic atropine in simulation of increased cutaneous vasodilation is suggested to result by a combination of central and local response which may be mediated through the release of vasoactive substances. Keywords: Anticholinergic drugs; evaporative heat loss; skin blood flow; thermoregulation.
Cutaneous Blood Flows In Calf Forearm Cheek And Ear During Changing Ambient Temperature
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Author : Leo C. Senay
language : en
Publisher:
Release Date : 1961
Cutaneous Blood Flows In Calf Forearm Cheek And Ear During Changing Ambient Temperature written by Leo C. Senay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Blood categories.
Regulation Of Cutaneous Circulation During Body Heating
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Author : Alrick B. Hertzman
language : en
Publisher:
Release Date : 1962
Regulation Of Cutaneous Circulation During Body Heating written by Alrick B. Hertzman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Body temperature categories.
This report summarizes current information concerning the regional adjustments of cutaneous vascular tone during body heating. Most of the data to which reference is made were obtained in the writer's laboratory. The importance of the local skin temperature in accounting for the cutaneous vasodilatation is emphasized and the role of bradykinin is discounted. The regional differences in the onset, temporal sequence, and extent of the cutaneous vasodilatation are not explained by reference to a central thermostat in the hypothalamus.
The Effect Of Local Skin Temperature On Forearm Blood Flow
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Author : Robert Behrens Bailey
language : en
Publisher:
Release Date : 1981
The Effect Of Local Skin Temperature On Forearm Blood Flow written by Robert Behrens Bailey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Blood flow categories.
Heat Exchange Through Cutaneous Vasodilation After Atropine Treatment In Two Environments
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Author :
language : en
Publisher:
Release Date : 1987
Heat Exchange Through Cutaneous Vasodilation After Atropine Treatment In Two Environments written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
This report summarizes two tightly controlled laboratory studies in which the thermo-regulatory effects of an intramuscular injection of atropine sulfate (2 mg) were compared with a placebo injection of sterile saline during two environmental conditions. Four subjects were tested in each environmental condition (22 C or 30 C) during seated cycle exercise at a moderate exercise intensity (55% VO2 peak). Esophageal temperature (T), mean weighted skin temperature (Tsk), and forearm sweating rate (ms) were continuously measured during 30 minutes of rest and 35 minutes of exercise. Skin blood flow (FBF) from the forearm was measured twice each minute by venous occlusion plethysmography. The expected decrease in whole body and local sweating rate ( -60%) occurred in both environments in the atropine treated subjects. The increased skin blood flow compensated for the suppression in sweating increasing dry heat loss in the atropine experiments. The atropine-induced vasodilation was widespread as skin temperatures increased at all sites measured. These results suggest that the peripheral modification of cutaneous blood flow which occurs in atropine treated subjects is sufficient to alter heat exchange in both warm and cool environments.
Temperature Thermal Homeostasis
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Author : Theodor H. Benzinger
language : en
Publisher:
Release Date : 1977
Temperature Thermal Homeostasis written by Theodor H. Benzinger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Body temperature categories.