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Related Concept Videos

Composition of Blood01:22

Composition of Blood

12.6K
The blood in our bodies comprises three major components: blood plasma, formed elements, and the extracellular matrix. Blood plasma is a yellowish fluid that constitutes 55% of the total blood volume. It is primarily made up of water and essential substances such as electrolytes and proteins. Blood plasma serves as a medium for transporting blood cells and also contains nutrients, enzymes, hormones, antibodies, and gases.
Formed elements constitute the remaining 45% of the blood volume. These...
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Blood Flow01:29

Blood Flow

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Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
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Blood Types02:20

Blood Types

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Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
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Blood Pressure01:24

Blood Pressure

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The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
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Blood Pressure01:30

Blood Pressure

4.9K
Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
4.9K
The ABO Blood Group01:12

The ABO Blood Group

5.2K
The ABO blood group system is a critical element of transfusion medicine, essential for determining blood compatibility in transfusions and organ transplants. It is based on specific antigens, or agglutinogens, present on the surface of red blood cells (RBCs) and corresponding antibodies, or agglutinins, in the blood plasma.
Antigens in the ABO Blood Group System
Antigens are substances that can trigger an immune response, leading to the production of antibodies. In the ABO blood group system,...
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A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
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The vulnerable blood.

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    Summary
    This summary is machine-generated.

    Diabetes patients face higher cardiovascular risks due to blood alterations. This review explores how diabetes affects platelet function and clot structure, impacting thrombosis.

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    Area of Science:

    • Cardiovascular Science
    • Hematology
    • Metabolic Disease Research

    Background:

    • Diabetes mellitus significantly increases cardiovascular morbidity and mortality.
    • While arteriosclerotic lesions are known contributors, blood alterations are increasingly recognized as critical factors.
    • Platelet activation and fibrin clot formation are key events following plaque rupture.

    Purpose of the Study:

    • To review the changes in platelet function and blood clot structure in patients with diabetes.
    • To explore the underlying mechanisms, including metabolic and inflammatory alterations.
    • To investigate the emerging role of the complement cascade in diabetes-associated thrombosis.

    Main Methods:

    • Literature review of studies on diabetes, thrombosis, platelet function, and coagulation.
    • Analysis of research linking metabolic and inflammatory pathways to hemostatic changes.
    • Examination of evidence implicating complement system components.

    Main Results:

    • Diabetic patients exhibit a prothrombotic state characterized by hyper-reactive platelets.
    • A tighter, more rigid clot structure results from up-regulated coagulation factors and prolonged clot lysis.
    • Metabolic and inflammatory processes are key drivers, with the complement cascade emerging as a significant influence.

    Conclusions:

    • Diabetes profoundly alters platelet function and blood clot structure, contributing to increased thrombotic risk.
    • Understanding these hematological changes is crucial for managing cardiovascular complications in diabetes.
    • The complement system represents a novel therapeutic target for mitigating diabetes-related cardiovascular events.