種々の組織の電気抵抗

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  • Electrical Resistance of Various Tissues in Rabbit
  • シュジュ ノ ソシキ ノ デンキ テイコウ

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Electrical resistance of dissected-mass (skin, muscle membrane and muscle together) in rabbit was examined by using the electro-dermometer.<BR>According to the decrease of the body fluid, electrical resistance of tissues gradually increases for 24, 48 and 72 hours after the dissection, but its increasing value is slight contrary to my expectation.<BR>The skin, of course, electrical highest resistance. But when the electric positive pole puts on the skin side and the negative on the subctaneous, and the electric current sents, the electric dermal points can be proved within the skin. And inversely when the positive on the subcutaneous side and the negative on the skin, it can also be proved the electric dermal points.<BR>The electro-dermal points of the skin show low-resistance, but, in spite of the decrease of the resistance as the applied time of the electrode goes on, remain slight resistance as that of muscle membrane. The electrical resistance between two endings of a blood-vessel shows retarded electric reaction, accompanied with a roar, whose value of the micrometer reaches highest in time. The electro-dermal point like this is often seen clinically and is, similar to the so-called thunder-point after Dr. K. Nanajo.<BR>But if the electric current sents from an ending of a nerve trunk to that of another, the rapid electro-reaction without a sound appears : the same as electrodermal point, so-called silent-point after Dr. K. Nanajo.<BR>In the case of a nerve trunk and two blood-vesels running parallel to it, appears the rapid electric reaction with a roar.<BR>In clinical practice the thunder-point proved mainly on red papulae and silent-one on white.<BR>From the fact above mentioned, I presume that the thunder-point in living body may originate from the changes of vascular-papulae and the silent-point from that of nerve papulae.

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