Biology animations includes selected, high quality biological animations. The adobe flash plugin is needed to view this content. Bhanu prakash usmle, fmge and neet pg 47,377 views. Researchers were able to determine the molecular 3d structure of. Illustrates how a blood clot forms through the reaction of platelets with several clotting agents that are found in plasma. The underlying model was developed by carl ritson for the tuna project. Blood clotting technically blood coagulation is the process by which liquid blood is transformed into a solid state. These deposits are made up of cholesterol, fatty substances, cellular waste products, calcium and fibrin a clotting material in the blood. Ppt blood clotting powerpoint presentation free to. First, vascular spasm constricts the flow of blood. The process of blood clotting and then the subsequent dissolution of the clot, following repair of the injured tissue, is termed hemostasis.
Coagulation, also known as clotting, is the process by which blood changes from a liquid to a gel, forming a blood clot. Hemostasis and blood coagulation flashcards quizlet. This blood clotting is a complex process involving many clotting factors incl. Overview of hemostasis blood physiology animated video lecture for mbbs duration. Deficient function of this system can lead to fatal bleeding following even a minor injury, whereas overactivity can produce unwanted blood clots, resulting in blockages to critical blood vessels, as occurs in heart attacks and stroke. This makes it difficult for the blood to form a clot, so bleeding continues longer than usual.
If a blood clot in a deep vein breaks off and travels through the bloodstream to the lungs and blocks blood flow, it is called a pulmonary embolism. Sometimes you may need to download the free shockwave player onto your. The coagulation cascade is actually very complicated and this animation is a simplification of the process as needed for the as biology specification. Stating it simply, the introduction of any factor in the coagulation cascade will result in a clot in a fully functional coagulation. How blood clots blood disorders msd manual consumer. These reactions may help to maintain the fluidity of the circulating blood by removing the products of. Ive seen the clotting cascade drawn out but never before understood the difference between the intrinsic, extrinsic and common pathways. Overall, researchers estimated that having an ab blood type contributes to about 20% of the risk for blood clots. Treatments for blood clots include blood thinners and other medicines.
Students have used this to predict the next step in the cascade. Precise control of the bloodclotting system is essential in all higher animals. Nov 16, 2007 dear blood doctor, the hopkins video was very good. Platelet activation also leads to initiation of blood clotting injured tissue also releases thromboplastin. The mechanism of coagulation involves activation, adhesion and aggregation of platelets, as well as deposition and maturation of fibrin.
Mar 19, 2012 new research helps to better understand the blood clotting process. Reactions of the blood coagulation cascade are propagated by complex enzymes containing a vitamin kdependent serine protease. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively. Medical doctor sitting at table and positively exploring patients brain mri.
Blood clotting cascade as biology animation youtube. Clotting is a passive process that does not involve platelet plug formation. There are principal coagulation factors in all, and each of these has been assigned a roman numeral, i to xiii. To restore normal blood flow as the vessel heals, the clot must eventually be removed. Free download blood clotting powerpoint presentation slides.
The clot is a mesh of thin fibrils entangling the blood cells. Powerpoint is the worlds most popular presentation software which can let you create professional blood clotting powerpoint presentation easily and in no time. Interactive hemostasis animations msu center for bleeding. Factor v deficiency is a rare blood clotting disorder that results in slow or prolonged blood clotting after an. Study finds trend toward benefit in using bloodclotting. Clotting factors ii, vii, ix and x are dependent on vitamin k which is a fatsoluble vitamin. This video will show the full process of blood clotting after any wound.
New research helps to better understand the blood clotting process. How blood clots blood disorders msd manual consumer version. So, the walls break open and the cells now no longer seal the vessel from whats around it. Blood clotting scientific video and animation site. The 3 stages of hemostasis, blood clotting, bleeding disorders and. The needs for contribution of many clotting factors are involved in the blood coagulation process. When clotting is poor, even a slight injury to a blood vessel may lead to severe blood loss. Blood will clot anywhere in a vial, in the blood vessels of a cadaver, in the body. The process of blood clotting video shows a brief explanation of the clotting of blood with the working of different parts during this process. Blood coagulation and thrombophilia johns hopkins medicine. Next, a platelet plug forms to temporarily seal small openings in the vessel.
Animation showing the formation of a blood clot, or thrombus. Solving the mystery of blood clotting sciencedaily. Mcgrawhill displays a short animation, while johns hopkins university shows a more detailed one. White blood cells are nucleated cells that are a very important part of the body protective mechanism. This helps you give your presentation on blood clotting in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. Blood clotting factors are referred to by roman numerals and also have names associated with them.
Hemostasis animation video medchrometube best medical. Ppt blood coagulation disorders powerpoint presentation. An abnormality in any part of the system that controls bleeding can lead to excessive bleeding or excessive clotting, both of which can be dangerous. Study finds trend toward benefit in using blood clotting agent for bleeding stroke. Coagulation can be initiated through the activation of two separate pathways, designated extrinsic and intrinsic. It operates on much the same principle as the complement system see p. Ppt blood clotting powerpoint presentation free to download id. Lets say that this blood vessel gets into a fight and it gets a little bit hurt. Hemostasis comprises four major events that occur in a. Watch an animation of hemorrhagic stroke for viewingbackground only not available for download. Clotting factors in the blood cause strands of bloodborne material, called fibrin, to stick together and seal the inside of the wound. Eventually, the cut blood vessel heals, and the blood clot dissolves after several days. Your blood type may determine your blood clot risk the. Clotting factors in the blood cause strands of blood borne material, called fibrin, to stick together and seal the inside of the wound.
Here are 2 animated illustrations of the coagulation pathway, which might help make things easier. A step by step process is explained here in detail. Eventually a platelet plug is formed, and the external bleeding stops. The ability of the body to control the flow of blood following vascular injury is paramount to continued survival. Injuries leading to extrinsic blood clotting and the related chain. But if a blood vessel gets injured, the body must jump into action to avoid the. Precise control of the blood clotting system is essential for maintenance of the circulation in all higher animals. Video about an animation of blood flow along contracting artery. And search more of istocks library of royaltyfree stock video footage that features bacterium. Again, there is a fairly complicated series of reactions that involves. Other complications of blood clots include stroke, heart attack, kidney problems, kidney failure, and pregnancyrelated problems.
When plaque fatty deposits clogs your arteries, thats called atherosclerosis. Among the most important agent of blood clotting are the platelets, tiny formed elements produced in the bone marrow. Jul 14, 2015 blood clotting cascade as biology animation dr bhavsar biology. Study finds trend toward benefit in using bloodclotting agent for bleeding stroke categories. As plaque builds up, the wall of the blood vessel thickens. With materials derived from blood, reactions have long since been demonstrated which can reduce thrombokinase activity, inactivate thrombin and liquefy fibrin. It potentially results in hemostasis, the cessation of blood loss from a damaged vessel, followed by repair. Blood clots stop bleeding, but they can also form in the body when theyre not needed and lead to stroke or heart attack. Adhesion of platelet to blood vessel wall leads to activation of platelets resulting in release of adp and txa2. Animation depicting red and white blood cells flowing through a blood vessel with cholesterol built up on the walls, causing a blood flow problem. Blood clotting factors, from v to xii, are plasma proteins mostly. Browse our large library of medical and biologythemed motion background videos for your next project.
Platelet activation and factors for clot formation youtube. The process of tissue factor initiated blood coagulation is discussed. Blood clot animation stock video download video clip now istock. Click here to download royaltyfree licensing videos from. Im the parent of a pediatric clotting patient factor v and a plain language medical writer.
Interactive hemostasis animations animations by roshni kulkarni, md and usha reddy, md. Animations by roshni kulkarni, md and usha reddy, md. Consequently, the body has control mechanisms to limit clotting and dissolve clots that are no longer needed. Healthy blood contains the necessary chemicals for both forming and is solving clots. Cell fragments called platelets are essential to promote blood clotting. Clogged vessels in the brain can cause strokes, and clogged vessels leading to the heart can cause heart attacks. Overall, researchers estimated that having an ab blood type contributes to about 20% of. Researchers were able to determine the molecular 3d structure of a protein in blood platelets and a receptor that sticks. Blood clotting is a complex chain of events, with over 50 molecular components involved. Webmd explains how the blood clots for better and worse. This type of cell that constitutes less then 1% of the blood volume attacks. Interactive hemostasis animations msu center for bleeding and. This process also wrings out of the clot a small amount of fluid called serum, which is blood plasma without its clotting factors. Learn more about the process of platelet activation and the involved coagulation factors triggering clot formation.
Coagulation cascade animation physiology of hemostasis duration. Researchers have now discovered novel molecular interactions at the surface of platelets that control blood clotting. Coagulation tests measure your bloods ability to clot and how long it takes. Animation sequence created for an educational film for a local first aid company. Control of bleeding, coagulation and thrombosis, animation. You must see this extraordinary animation of how hemostasis works. The coagulation cascade is actually very complicated and this animation is a simplification of the process as needed for the as. Clotting is a sequential process that involves the interaction of numerous blood components called coagulation factors. Cells become sticky in response to a chemical trigger that diffuses outwards from wounds in the blood vessel. This process is called coagulation or clotting of blood. The front page is the animation and the second page is a word document on the information. Download this video clip and other motion backgrounds, special effects, after effects templates and more.
Study finds trend toward benefit in using blood clotting. But if a blood vessel gets injured, the body must jump into action to. Vitamin k deficiency therefore causes prolongation of the prothrombin time pt and activated partial thromboplastin time aptt and will respond to intravenous vitamin k 10 mgday for 3 days orally or by intravenous injection. Slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects.
Adp and txa2 further facilitates aggregation of platelets by increasing platelet stickiness. Human torso and head with visible brain 3d animation xray of human body with the visual of nervous system animated motion. Ppt blood coagulation disorders powerpoint presentation free to download id. Nice powerpoint template will be great choice for medical presentations on thrombus, blood clot causes, blood coagulation, platelet plug, clotting, thrombosis, etc. Blood clotting factor an overview sciencedirect topics. Fibrinolysis is the gradual degradation of the clot. We previously learned that the body works hard to regulate and control blood flow. Click the index button to navigate through the various chapters. The cellbased coagulation animated lecture can be found at. How blood clots blood disorders merck manuals consumer. Coagulation cascade animation physiology of hemostasis. When clotting is excessive, small blood vessels in critical places can become clogged with clots.
Deficient function of this system can lead to fatal bleeding following even a minor injury. Animation showing the formation of a blood clot, or thrombus stock. In haemophilia, viii or ix clotting factor is missing, or the level of that factor is low. Although scientists now know how blood clots many problems related to the clotting process remain unsound. Download free stock motion graphics and animated backgrounds featuring blood cells animation. Blood physiology animated video lecture for mbbs duration. Understanding the coagulation cascade is one of the most difficult areas that medical students and doctors face in the field of hematology. Blood cells called platelets, along with numerous factorsproteins, enzymes, vitamin k, and calciumfound in blood plasma, are involved in the clotting process. An image of both the intrinsic and extrinsic pathways of the clotting cascade including the interactions.
40 1594 480 158 1416 1277 674 469 1506 1234 1341 1518 450 1448 942 81 635 1242 204 1430 1091 777 1172 251 374 717 647 1325 1055 262 449