Xiii

(fibrin-stabilizing factor)

Synthesized in liver, released by platelets

Extrinsic

and intrinsic

Adherences Pelvis
Factors That Inhibit Blood Clot Formation

Factor

Action

Factor

Action

Smooth lining of blood vessel

Prevents activation of intrinsic blood clotting mechanism

Antithrombin in plasma

Interferes with the action of thrombin

Prostacyclin

Inhibits adherence of platelets to blood vessel wall

Heparin from mast cells and basophils

Interferes with the formation of prothrombin activator

Fibrin threads

Adsorbs thrombin

Essentials of Human Physiology

Essentials of Human Physiology

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.

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