File:Outlines of comparative physiology touching the structure and development of the races of animals, living and extinct - for the use of schools and colleges (1870) (14759799736).jpg

Identifier: outlinesofcompar00agas (find matches)
Title: Outlines of comparative physiology touching the structure and development of the races of animals, living and extinct : for the use of schools and colleges
Year: 1870 (1870s)
Authors: Agassiz, Louis, 1807-1873 Gould, Augustus A. (Augustus Addison), 1805-1866 Wright, Thomas, 1809-1884
Subjects: Physiology, Comparative Zoology
Publisher: London : Bell & Daldy
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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essels are filled or possessed by the bi- This anatomical if7 .vfssels<^ 266), and form the acini of Malpigni. After Kiernan.is particu- -truth larly evident in the liver (fig. 263, A). Here the parietesof the acini consist entirely of compact, irregularly roundedor angular cells, of about l-200th of a line in magnitude.The cells of the liver enclose a distinct clear nucleus anda vellowish-coloured molecular matter in their interior. * The cells are like the stones of a piece of ancient masonry,irregularly applied to one another. Externally, where th^blood-vessels play around them, fibres of cellular tissue areadded. An epithelial covering of flat tessellated cells firstmakes its appearance in the larger branches and trunksof the gall-ducts. In other cases, as in the glands ofthe stomach, for instance (§ 32!)), the substance of the 264 ELEMENTARY PARTS OF GLANDS glandular parietes consists of rounded dark granules, not ob-viously formed like cells, which appear to be arranged or A
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