The effects of soaking the skin in water at various temperatures on the subsequent ability to sweat

Brebner, D. F.; Kerslake, D. McK.

doi:10.1113/jphysiol.1968.sp008391

Cited by 12 publications

(6 citation statements)

References 9 publications

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“…If mature babies do not sweat before birth it would seem that the threshold temperature at which stimulation occurs must be set higher than it is after birth, or that some overriding means of suppression operates. Sweat glands produce progressively less sweat when the skin is soaked in water or dilute salt solutions at 36-37°C (Hertig, Riedesel & Belding, 1961;Brebner & Kerslake 1968). It seems possible that the same process could operate before birth.…”

Section: Immediate Post-natal Changesmentioning

confidence: 99%

The response of the sweat glands of the new‐born baby to thermal stimuli and to intradermal acetylcholine

Foster¹,

Hey²,

Katz³

1969

The Journal of Physiology

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SUMMARY1. Measurements of evaporative sweat loss were made on fifty-six premature and full-term babies 1-67 days after birth with an infra-red analyzer and a ventilated capsule placed on the thigh. Measurements were also made of total evaporative water loss while in a closed metabolic chamber and of the regional distribution of sweating with starch-iodine paper.2. No sweating to thermal stimuli could be detected in infants of less than 210 days post-conceptual age, even when rectal temperature rose as high as 37.8°C. In older infants sweat was detected first on the forehead and temple, later on the chest, and usually by 240-260 days post-conceptual age on the legs (term 268 days). Generalized sweating on the limbs appeared at an earlier post-conceptual age in the more prematurely born infants.3. The response of sweat glands on the thigh to an intradermal injection of 2 ,tg acetylcholine (ACh) was tested. No sweat response was detected in infants under 225 days post-conceptual age, while all infants born within 2 weeks of term responded. The response was often augmented after 2-5 tests at 5-10 min intervals; all the eight infants born within 2 weeks of term who were examined twice in the first 2 weeks of life showed a greater response on the second occasion.4. An average of 414 active sweat glands/cm2 were detected on the thigh in eight babies 7-10 days old born within 2 weeks of term. This was 61 times the number found in adults. The mean peak sweat rate to chemical stimulation was however only 2 4 nl./gland. min, which was 3 times lower than the maximum rate recorded in adults.

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Section: Immediate Post-natal Changesmentioning

confidence: 99%

The response of the sweat glands of the new‐born baby to thermal stimuli and to intradermal acetylcholine

Foster¹,

Hey²,

Katz³

1969

The Journal of Physiology

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“…The mechanism by which sweating is suppressed during continued heat application is still a problem of much debate. Whatever mechanism is responsible, the occurrence of sweat suppression is usually physiologically advantageous as pointed out by BREBNER and KERSLAKE(1968), since it avoids the waste of water and salt discharged in sweat. Observations in the present study indicate that after sweat suppression had occurred, sweating seemed adequate in volume to maintain a balance of body heat, correcting itself from a discharge of excessive sweat in the first period of heat exposure.…”

Section: Discussionmentioning

confidence: 99%

Correlative Relationships of Response Patterns Between Body Temperature, Sweat Rate and Sodium Concentration in Sweat During Heat Exposure in Man

1974

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Sweating and body temperature response were studied in a total of 268 Japanese (non-Ainu Japanese and Ainu Japanese) of various groups which differed in sex, racial and ecological status. The pattern of response for the whole period of heat application was used for the analysis of the observations. In order to arrive at determinants of body temperature response-equilibrium body temperature, rise of body temperature at the equilibrium period, and slope of changes in body temperature in the post-equilibrium period were calculated. Sweating function was represented by the determinants such as peak rate of sweating, peak Na concentration in sweat, slope of changes in the rate of sweating as well as in Na concentration in sweat in the post-equilibrium period. Latent time of sweat suppression after the maximum sweating was also measured. Sweating types were assigned to individuals according to the criteria previously reported. Correlations between determinants above mentioned were examined and discussed from point of view of heat adaptability. The results are summarized as follows: 1) Latent time and rate of sweat suppression correlates well with body temperature response in the following manner; in subjects in whom sweat suppression progressed rapidly with a short latent time, the rise of body temperature at the equilibrium period was small. In these subjects, body temperature tended to decline more markedly in the postequilibrium period. 2) It was found that the sweat rate and body temperature not always changed in the same direction in the post-equilibrium period, thus it follows that no causual relationships exist between the two in this period. Na concentration in sweat changed in most cases in parallel

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“…If the skin is covered with a film of water or dilute saline, the ability to produce sweat diminishes exponentially with time (Hertig et al 1961;Brebner & Kerslake, 1964). The rate of decline depends on whether the subject is sweating or not, but at moderate and high sweat rates the time constant is probably independent of the sweat rate (Brebner & Kerslake, 1968).…”

Section: Discussionmentioning

confidence: 99%

“…Elsewhere the skin is kept wet, and sweat production will be progressively impeded. The decline in maximum sweat production from wet skin proceeds exponentially with time (Brebner & Kerslake, 1964, 1968) and at lower rates of drive the suppression behaves similarly (Hertig, Riedesel & Belding, 1961;Brebner, Kerslake & Soper, 1962;Sargent, 1962). The rate of sweating from the wet skin should therefore be related not to the capsule sweat rate, 0, but to a time dependent function of it, 0.e-tlk.…”

Section: Sweat Rate and Weight Lossmentioning

confidence: 99%

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The relation between sweat rate and weight loss when sweat is dripping off the body

Brebner¹,

Kerslake²

1969

The Journal of Physiology

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SUMMARY1. The relation between the rate of sweat production, S, and the rate of weight loss, W, has been examined under conditions in which the rate of evaporation was small.2. 9 could be found from TV provided that a film of liquid was maintained over the skin surface. This could be achieved initially by immersing the subject in water containing detergent. Thereafter the film was maintained so long as the rate of weight loss exceeded about 10 g/min.3. When the rate of weight loss was changing and the rate ofevaporation was constant, o could be calculated as + 2*5 W.4. When the subject was constantly sprayed with water while being weighed, the correction for W became negligible. In this case there was no lower limit to the sweat rate which could be measured, but spraying considerably reduced the accuracy of the measurement.5. The output of sweat from a ventilated capsule on the forearm correlated well with estimates of central sweating drive based on weight measurements corrected for hidromeiosis.

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The effects of soaking the skin in water at various temperatures on the subsequent ability to sweat

Cited by 12 publications

References 9 publications

The response of the sweat glands of the new‐born baby to thermal stimuli and to intradermal acetylcholine

The response of the sweat glands of the new‐born baby to thermal stimuli and to intradermal acetylcholine

Correlative Relationships of Response Patterns Between Body Temperature, Sweat Rate and Sodium Concentration in Sweat During Heat Exposure in Man

The relation between sweat rate and weight loss when sweat is dripping off the body

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