. A text-book of animal physiology [microform] : with introductory chapters on general biology and a full treatment of reproduction, for students of human and comparative (veterinary) medicine and of general biology. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. DIGESTION OF FOOD. 845 I is always lood-vessels Our knowled^ of the nature of the passage of the chyle from the intestines into the blood is now dearer than it was till recently, though still incomplete. The exact structure of a villus is to be carefully considered. If we assume that the


. A text-book of animal physiology [microform] : with introductory chapters on general biology and a full treatment of reproduction, for students of human and comparative (veterinary) medicine and of general biology. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. DIGESTION OF FOOD. 845 I is always lood-vessels Our knowled^ of the nature of the passage of the chyle from the intestines into the blood is now dearer than it was till recently, though still incomplete. The exact structure of a villus is to be carefully considered. If we assume that the muscular cells in its structure have a rhythmically contractile function, the blind terminal portion of the lacteal inclosed within the villus must, after being emptied, act as a suction-piunp to some extent; at all events, the conditions as to pressure would be favorable to inflow of any material, especially fluid without the lacteal. The great diiBculty hitherto was to understand how the fat found its to duot; S, T«oep- i-chahnelsis the lymph- lures, though efforts, espe- comiff^Ming rating effect ing a similar ch the large at this point ith the pofii- horacic duct, le outflow of. Fro. M. way through the vilius into the blood> for, thftt most of it passes in this direction there is little doubt. It is now known thttt leucocytes (amoeboids, phagocytes) migrate from wiihiii the villus oatwftrd, and^nay even reach its surface; that they take up (eat) f^t^pwrticles from the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Mills, Wesley, 1847-1915. New York : D. Appleton; London : Caxton House


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Keywords: ., bookauthormillswes, bookcentury1800, bookdecade1880, bookyear1889