نتایج جستجو برای: skin temperature
تعداد نتایج: 637617 فیلتر نتایج به سال:
Objective: To measure the skin temperature after application of a new skin protectant intended for incontinence-associated dermatitis (IAD), compared with a commercial product with an analogous cyanoacrylate-based chemistry. Approach: Twelve healthy human volunteers received an application of the new product on one thigh and of the comparator on the other thigh. An infrared camera using ThermaC...
We have shown that cutaneous cooling-sensitive receptors can work as thermostats of skin temperature against cooling. However, molecule of the thermostat is not known. Here, we studied whether cooling-sensitive TRPM8 channels act as thermostats. TRPM8 in HEK293 cells generated output (y) when temperature (T) was below threshold of 28.4°C. Output (y) is given by two equations: At T >28.4°C, y = ...
BACKGROUND Most studies of the skin and how it responds to local heat have been conducted with either water, thermodes, or dry heat packs. Very little has been accomplished to look at the interaction between air humidity and temperature on skin temperature and blood flow. With variable air temperatures and humidity's around the world, this, in many ways, is a more realistic assessment of enviro...
BACKGROUND Hypothermia is a major cause of deterioration and death in the neonatal period. Temperature deviations are key signs of illness. OBJECTIVE To determine normal patterns of temperature variation in newborn babies and the influence of external factors. METHODS Abdominal and foot skin temperature were continuously recorded in 27 healthy full term babies during the first two days of l...
Temporal summation of heat pain during repetitive stimulation is dependent on C nociceptor activation of central N-methyl-d-aspartate (NMDA) receptor mechanisms. Moderate temporal summation is produced by sequential triangular ramps of stimulation that control skin temperature between heat pulses but do not elicit distinct first and second pain sensations. Dramatic summation of second pain is p...
Sleep occurs in close relation to changes in body temperature. Both the monophasic sleep period in humans and the polyphasic sleep periods in rodents tend to be initiated when core body temperature is declining. This decline is mainly due to an increase in skin blood flow and consequently skin warming and heat loss. We have proposed that these intrinsically occurring changes in core and skin te...
For more than 2,000 years, local tissue heating has been used to treat rheumatism, arthritis, muscle strains and sprains, and a variety of other afflictions. Heat can be applied with hot packs, ultrasound, diathermy, microwave, lasers, or a whirlpool bath. The overall effect is the same. Heat is applied to the surface of the skin in an effort to transfer the heat deep into the tissue. However, ...
Fall in skin temperature during initial muscular work was investigated in ten healthy men. Bicycle exercise was performed at workloads of 50-150 W in a climatic chamber at ambient temperatures of 10-40 degrees C (relative humidity 45-55%). Skin temperatures at seven or eight points over the body surface were measured using thermography and thermocouple recording systems. Sweat rates were signif...
Thermal comfort remains a common problem for people with lower-limb amputation. Both donning a prosthesis and engaging in activity at room temperature can increase residual limb skin temperature; however, the effects of activity on skin temperature and comfort in more extreme environments remain unknown. We examined residual limb skin temperatures and perceived thermal comfort (PTC; 11-point Li...
When skin temperature falls below a set-point, mammals experience "cold in the skin" and exhibit heat-seeking behaviors for error correction. Physiological thermostats should perform the behavioral thermoregulation, and it is important to identify the thermostats. A classical model of the sensory system states that thermoreceptors (e.g., thermoTRPs) in skin nerve endings are sensors that transf...
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