Arterial System

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“Diagram of the arterial system of A, Scorpio, and B, Limulus. The Roman numerals indicate the body somites and the two figures are adjusted for comparison. ce, Cerebral arteries; sp, supra-spinal or medullary artery; c, caudal artery; l, lateral anastomotic artery of Limulus. The figure B also shows the peculiar neural investiture formed by the cerebral arteries in Limulus and the derivation from this of the arteries to the limbs, III, IV, VI, whereas in Scorpio the latter have a seperate origin from the anterior aorta.” — The Encyclopedia Britannica, 1910


The Encyclopedia Britannica, Eleventh Edition (New York: The Encyclopedia Britannica Company, 1910)II:296


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