. . . numerous investigations have convinced me that the smallest streamlets, if devoid of proper membranous parietes, have, even in the glandular organs, a kind of boundary, furnished by a thick or more spissid substance than the blood.
--E. Geddings, 1837, review and translation of Johannes Mueller on the secernent glands, American Journal of the Medical Sciences 19: 430
This constant Distention of the uterine lacteals, proceeds from the great Quantity of spissid Chyle, or the Coarctation, Obstruction, and Compression of the Colatoria, whereby they retain too long their Contents.
--Jean Astruc, 1743, A Treatise on all the Diseases Incident to women, p. 101