熱電効果による体表循環の測定 : IV: 二,三測定条件の吟味(<特集>脳と神経の研究V)

概要

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In the measurement of dermal blood flow (DBF) using our thermoelectrical element, several factors were checked for more accurate results. 1) There are some individual differences in the skin temperatur which might influence on heating. 2) The optimal temperature difference between the skin under heated gold platelet and the control area was 1.5-2.5℃. 3) DBF in the thenar region was stable and kept higher level under following conditions: a) supine position, upper extremity extended caudaly. b) supine position, upper extremity extended cranially. c) sitting position, upper extremity extended downward. d) sitting position, upper extremity extended anteriory. 4) Temporary decrease of DBF was observed when changing the body position. 5) In the thenar region, the heated platelet should not be placed radially to the control platelet. 6) There are some differences in DBF of each part of the extremities. 7) Amount of DBF was the higest in the thenar region compared to other parts of the extremities. 8) DBF was mostly unstable at the tip of the index, even at rest.
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