The hydropathic encyclopedia: a system of hydropathy and hygiene .. . ed the absorbent system,Thoy art) named from the lymph, or war3r like fluid, which they cna- 166 AN iTOMY. vey. They are minute transparent vessels, uniform in size, havingnumerous valves, which give them a knotted appearance, and beforeFig 62. entering a gland di- vide into severalbranches. Their of-fice is to collect thonutritive products ofdigestion from thealimentary canal,andthe effete, disorgan-ized matter from allparts of the body,and convey them in-to the venous bloodnear the heart. Lymphatic vesselsoriginate in a de
The hydropathic encyclopedia: a system of hydropathy and hygiene .. . ed the absorbent system,Thoy art) named from the lymph, or war3r like fluid, which they cna- 166 AN iTOMY. vey. They are minute transparent vessels, uniform in size, havingnumerous valves, which give them a knotted appearance, and beforeFig 62. entering a gland di- vide into severalbranches. Their of-fice is to collect thonutritive products ofdigestion from thealimentary canal,andthe effete, disorgan-ized matter from allparts of the body,and convey them in-to the venous bloodnear the heart. Lymphatic vesselsoriginate in a deli-cate network distrib-uted throughout, theskin, the various suifaces and internalstructures of organs,and proceed in near-ly straight lines toward the root of thbneck. They are intercepted in theircourse by numerousoblong, flattened bo-dies, called lympha-tic glands, The ves-sels entering theBeglands are called va-sa injcrentia, andthose which leavethem vasa efferenHa. These divisionsof the lymphaticssubdivide just beforeentering and jusiafter leaving th« UNTHtTIC SYSTEM ..NGEIOLOGT. 157 Though lymphatic vessels are generally distributed throughout thetissues—probably all the tissues—yet they have never been detected inthe brain, spinal cord, eye, bones, cartilages, tendons, membranes of!.he ovum, umbilical cord, and placenta. Like arteries and veins, they are composed of three coats. Vi as-tomoses between them occur, though less frequently than with arteriesBnd veins. They are smallest in the neck, larger in the upper, andstill larger in the lower extremities. The valves of lymphatic vessels give them a knotty or constrictedappearance similar to that of the veins; near the glands the valvesare most numerous. The presence of valves is marked by two smafdilatations, or pouches, analogous to the valvular sinuses of the sinuses are always on the side of the valves toward theheart. Lymphatic glands are composed of a minute plexus of lymphatictessels, inti
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