File:An academic physiology and hygiene (1903) (14781172985).jpg

Identifier: academicphysio00bran (find matches)
Title: An academic physiology and hygiene ..
Year: 1903 (1900s)
Authors: Brands, Orestes M. (from old catalog) Van Gieson, Henry C., (from old catalog) joint author
Subjects: Hygiene Physiology
Publisher: Boston, B. H. Sanborn & co
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
doubtless absorb certain fluid products ofdigestion and empty them into the portal vein, by whichthey are conveyed to the liver and thence to the heart. 13. Lacteals.— In the interior of each villus are also thefinest twigs of one or more lacteals (L. lac, milk)—ves- EXPLANATION. rtion of the thoracic duct, markedT I > above, and T D below, lying in front ofand in contact with the spine, S. By the side of II, is seen a portion of :tached to the mesentery, a kind t membranous ruffle, ground the border of which the entire tube of the intestine is fastened. L L show a lacteal vessel running from theinside of the intestine, charged with a milkyfluid which is conducted into the mesentericglands, seen lying between the two folds ofthat membrane. In these the chyle is essen-tially changed in character, and perhaps re-ceives additional fluid from the gland itself.From these the fluid next passes on throughthe excreiory ducts, M M, which join themain trunk of the thoracic duct.
Text Appearing After Image:
MG-^ TD^- Fig. 43. sels having club-shaped, and probably closed, extremities.The lacteals are absorbent vessels belonging to the great■cm of lymphatics which are found everywhere in thely. The milk-white appearance of the lacteals, whenfilled with the digested matter which they absorb fromthe canal, 3 ts their name. These vessels combine with each other, and form a network from the meshes ofwhich proceed branches. These branches, .successively 220 ACADEMIC PHYSIOLOGY. uniting, form larger trunks which finally pass out throughboth mucous and muscular coats, and, after again unitingterminate in a small oval sac, called the receptaculum cliyli(receptacle of the chyle), which is situated in front of thevertebrae of the loins. From this sac the thoracic duct,a tube quill-like in size, extends upwards in front ofthe spinal column, and opens into the left subclavian vein(the large vein under the left collar-bone), pouring itscontents into the venous blood just as it is about enteringthe ri

Note About Images