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All formed elements come from a stem cell called what?
All formed elements in the blood are derived from a hematopoietic stem cell. These stem cells have the ability to differentiate into various types of blood cells, such as red blood cells, white blood cells, and platelets.
Which formed element is the only true cell?
The only true cell among the formed elements of blood is the white blood cell (leukocyte). Red blood cells (erythrocytes) and platelets (thrombocytes) are not considered true cells because they lack a nucleus and other organelles.
What is the smallest formed element in the blood?
Thrombocytes are the smallest formed elements in the blood. In my Medical Terminology book, it says "The smallet formed elements found in blood are platelets. Although they are sometimes called thrombocytes, they are not true cells, as the term erroneously suggests, but merely fragments of cells."
Which formed element is a leukocyte?
Leukocytes is another name for white blood cell. These formed elements fight infections and other "foreign" invaders. The formed elements of blood are red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).
What is the origin and production of the formed elements?
Formed elements in blood, such as red blood cells, white blood cells, and platelets, are produced in the bone marrow through a process called hematopoiesis. Hematopoiesis is regulated by various growth factors and hormones that stimulate the differentiation and proliferation of blood cell precursors. These cells then mature and enter the bloodstream to perform their respective functions.
