In the presence of predisposing factors (Ta.bIe 52.-1), clot forms in the deep venous system. Thrombosis usually begins at venous valve sinuses and propagates proximally over minutes to hours. Lysis of the clot generally occurs over 1 to 2 weeks. The risk of embolization is highest in the first week of thrombus formation.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.