File:Text-book of anatomy and physiology for nurses (1913) (14580242730).jpg

Identifier: textbookofanatom00bund (find matches)
Title: Text-book of anatomy and physiology for nurses
Year: 1913 (1910s)
Authors: Bundy, Elizabeth Roxana, 1850-
Subjects: Anatomy Physiology
Publisher: Philadelphia : P. Blakiston's son Co
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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g at very short intervals,which give the appearance of beading to the vessels. This arrange-ment allows the lymph to flow toward the heart but prevents itfrom moving in the other direction. The lymph vessels of the intestines have been called lactealsbecause of their milky appearance during the process of digestionthe whitish color being due to the presence of fat globules trans-mitted by the lymph capillaries of the villi. This fat-bearinglymph is called chyle. 194 LYMPH VESSELS. 195 Within the tissues of the body the lymph vessels are too smallto be seen by the naked eye, but they unite again and again, toform larger ones (although still very small) which in some placesmay be seen entering or leaving glands, until finally two remain—•the right lymphatic duct and the thoracic duct, which have a diameterof 3 or 4 mm. Lymph is a transparent watery saline fluid with lymph corpusclesfloating therein. It contains nutritive substances for the tissues andwaste matters derived from them.
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■f.l-...^5U.- tlG. 143.—Lymphatic Vessels and Nodes.I and 2 are portions of the Thoracic Duct (Holden). The description of plasma applies very well to lymph, always keeping inmind that lymph is more watery and carries lymph cells while plasma bears bloodcells; also it will coagulate, but slowly and not so firmly, with a pale clot becauseof the absence of red cells. The origin of lymph is primarily from the blood. The walls ofthe blood-capillaries allow a transudation of thin plasma or serum 196 ANATOMY AND PHYSIOLOGY FOR NURSES. into the tissue spaces, and this is the source of nutritive principles.Waste matters are added as the result of the activities of the tissuesthemselves; they represent the ^tissue wasted This fluid, conveyedby lymph-capillaries to lymph-vessels is carried to lymph glands,where it gathers the lymph corpuscles which float in it. Lymph glands or lymph nodes are small round or oval bodiesof a reddish color, varying in size from that of a pin head to asmall bea

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