. Principles of human physiology : with their chief applications to pathology, hygiene, and forensic medicine : especially designed for the use of students. spondence. The following table givesthe result of eight measurements, taken with a view to determine the ques-tion. The first three were taken from the mesenteric artery of a sheep; thenext three from the aorta and iliac arteries; the last two from the horse. TRUNK. BRANCHES. Diameter. Square. Diameters. Sum of Squar I. 9 81 7-5 + 5 81-25 II. 7-2 51-64 6+4 52 III. 3-5 12-25 3+2 13 IV. 70 49 5 + 5 50 V. 17 289 10 + 10 + 9-5 290-25 VI. 10 10
. Principles of human physiology : with their chief applications to pathology, hygiene, and forensic medicine : especially designed for the use of students. spondence. The following table givesthe result of eight measurements, taken with a view to determine the ques-tion. The first three were taken from the mesenteric artery of a sheep; thenext three from the aorta and iliac arteries; the last two from the horse. TRUNK. BRANCHES. Diameter. Square. Diameters. Sum of Squar I. 9 81 7-5 + 5 81-25 II. 7-2 51-64 6+4 52 III. 3-5 12-25 3+2 13 IV. 70 49 5 + 5 50 V. 17 289 10 + 10 + 9-5 290-25 VI. 10 100 7+7 + 2 102 VII. 4-5 20-25 3-5 + 3 21-25 fill. 8 64 4+7 65 * Ferncley in Medical Gazette, Dec. 7, 1839. 348 OF THE CIRCULATION. The discrepancy between the two results must be considered extremely-small, when it is stated that the unit, in the above measurements, is nomore than one-fortieth of an inch; and when it is remembered that any errorin the measurement is greatly increased in the calculation. 477. The ultimate ramifications of the arteries usually pass so insensiblyinto those of the veins, that the line of demarcation between them cannot be. Web of Frogs foot, stretching between two toes, magnified 3 Diam.; showing the blood-vessels, andtheir anastomoses; a, a, veins; b, b, b, arteries. Fie. 44.
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