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Show CONTENTS. Rand/trillions, Amulomom, Number, and Size (11'th Laclwls and Lympbafn's -- -- -- - -Situation and Cuurw 1y" tbe laly‘cr Lacteals and Lying/Ju lius 72‘2‘mimztim1. (f tbs Lactcals mid Lympbalics -- szcltzsimi (y' the First Part -- lulrodzwtiou to the Second Part - --- -- 86 91 94' 99 INTRODUCTION. 129 Description of H31: Situation and Number of HM Glands of flat Absor[mus - -- - Description of HM particular Disfributiau zy" ti'Jc Absoréem‘s Ibex);- .s'¢'lzvrs - Coughs/ion of Part Second Explanation (if the Plates - _ _ 14-8 207 209 Amour an hundred and sixty years ago, Ascllius, an Italian anatomift, accidentally discovered a new species ofvessels, on the intestines of a dog: he afterwards found similar vessels on the intestines of horses, and other ["101 m quadrupeds; and, from analogy, supposed they existed also in men. . linen. WWW discoverer not only perceived that these were a new species of vessels, but, observing that they contained the same kind of white fluid which was con- tained in the cavity of the intestines, he was also led to their use; and asserted, that they took up the chyle from the intestines, and Carried it to the liver, where, he imagined, it was converted into blood. He named them, tic/1w lasted), from the colour of their contents. These vessels were soon after discovered in men; but in them, as well as in quadrupeds, were supposed to exist only on the intestines and mesentery. Similar vessels, however, were soon discovered in other parts ofthe body, both in men and quadrupeds; but as they Contained a watery, and not a white fluid, they were imagined to lJC different, and of course obtained a different name: they were termed, generally, Z‘tIsfl [yup/simian. The laeteals, it was admitted, arose from the internal surface ofthe intes- The tines, and were not Connected with the arteries or veins; but Bartholin, one ol‘tlie discoverers ofthe lymphatics, taught, and the generality ofanatoniists believed, that they were continued from the arteries, and served the put-pose ofcai ying bthk the watery part of the blood tntho heart; but their ll IN TR ODU CTIONG assertions |