What is a proteid substance (acid albumin) formed from the albuminous matter of muscle by the action of dilute acids; -- formerly called musculin. See Acid albumin, under Albumin called?

syntonin — A proteid substance (acid albumin) formed from the albuminous matter of muscle by the action of dilute acids; -- formerly called musculin. See Acid albumin, under Albumin. (Webster's 1913.)

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