trombotsüüdide

Trombotsüüdide, also known as platelets, are small, irregular-shaped, anucleated cell fragments found in blood. They are derived from megakaryocytes in the bone marrow. Trombotsüüdide play a crucial role in hemostasis, the process of stopping bleeding. When a blood vessel is injured, trombotsüüdide adhere to the site of damage and aggregate, forming a platelet plug. This plug acts as a temporary barrier, preventing further blood loss.

In addition to their role in hemostasis, trombotsüüdide are also involved in inflammation, immune responses, and wound healing. They release various bioactive substances, including growth factors and cytokines, that can promote tissue repair and modulate the inflammatory process. The normal range for trombotsüüdide count in humans is typically between 150,000 and 450,000 per microliter of blood.

Abnormalities in trombotsüüdide number or function can lead to significant health issues. Thrombocytopenia, a condition characterized by a low trombotsüüdide count, can result in excessive bleeding or bruising. Conversely, thrombocytosis, a high trombotsüüdide count, can increase the risk of blood clots forming, potentially leading to conditions like stroke or heart attack. Various medical conditions and treatments can affect trombotsüüdide levels, making their monitoring important in clinical practice.