File:Archives of physical medicine and rehabilitation (1920) (14734178026).jpg

Identifier: archivesofphysic04ameruoft (find matches)
Title: Archives of physical medicine and rehabilitation
Year: 1920 (1920s)
Authors: American Academy of Physical Medicine and Rehabilitation American College of Radiology and Physiotherapy American Congress of Physical Medicine and Rehabilitation Radiological Society of North America
Subjects: Physical therapy
Publisher: (Chicago, etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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ch are sec-ondary tumors having the structure ofthe mother tumor, which tumor may bea plain connective tissue hyperplasia ora solid embryoma; tumors non-capsul-ate growing chiefly from the peripheryand composed of innumerable, disor-iented, rapidly-multiplying, easily-per-ishable, deep-staining, invasive orcrushing, single-nucleate or multinucle-ate tumor-cells, supported by a variableamount of stroma consisting of cortexcells or their equivalent (ray cells andpith cells) and of distorted vessels de-veloped out of the round-about normaltissues; growth by apposition occursand the nuclei, which usually divide bymitosis, are often notched and cleft oreven completely divided without mi-tosis. How long the tumor remainsalive depends apparently on the amountof its stroma. As the tumor grows, neighboring tis-sues are crushed and exfoliated, distaltissues are starved while proximal tis-sues especially those under or in the 297 .nv^V^ES IN CANCER RESEARCH-SMITHTWENTIETH CENTURY ADVANCES IN CA.
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lU, hiblted May 1, iv^- 298 TWENTIETH CENTURY ADVANCES IN CANCER RESEARCH—SMITH vicinity of the tumor are often swollenby excessive multiplication of normalcells, i. e., a collateral hyperplasia isdeveloped. The tumors may be cut outor destroyed by caustics but are liableto return; they decay first centrally.The growth is injurious to the whole cancer. Why not? But you ish a paper on crown gall embodying produce it with a parasite, do you not? nis own experiments ot the preceding ies. Well, there is no parasite ten years, but also discussing the work in cancer! Here was Ribberts die- done elsewhere, and especially thAt turn over again, the whole argument aone in the United btates JJepartment based on an assumption and revolving ol Agriculture. After stating that on Ml a circle, just as in the past we have critical examination of most compari- plant if it is centrally located, i. e., not heard the same argument applied to sons between plant and animal tumors on some remote root or br

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