What is the name of the process by which white blood cells move in and out of blood vessels quizlet?

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Which refers to the process by which white blood cells move in and out of blood vessels?
What is the process of WBC called?
Which term means removal of white blood cells quizlet?
What system releases white blood cells?

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Like erythrocytes, leukopoiesis, or the production of white blood cells, is stimulated by chemical messengers. These messengers, which can act either as paracrines or hormones, are glycoproteins that fall into 2 families of hemotopoietic factors, interleukins and colony-stimulating factors, or CSFs. The interleukins are numbered (eg. IL-3, IL-5), but most CSFs are named for the leukocyte population they stimulate--for example, granulocyte-CSF (G-CSF) stimulates production of granulocytes. Hematopoietic factors, released by supporting cells of the red bone marrow are mature WBCs, not only prompt the white blood cell precursors to divide and mature, but also enhance the protective potency of mature leukocytes

Figure 17.11 shows the pathways of leukocyte differentiation, starting with the hematopoetic stem cell, or hemocytoblast, that rise to all of the formed elements in the blood. An early branching of the pathway divides the lymphoid stem cells, which produce lymphocytes, from the myeloid stem cells, which give rise to all other formed elements. In each granulocyte line, the committed cells, called myeloblasts, accumulate lysosomes becoming promyelocytes. The distinctive granules of each granuloctye type appear next in the myelocyte stage and then cell division stops. In the subsequent stage, the nuclei arc, producing the band cell stage. Just before granulocytes leave the marrow and enter the circulation, their nuclei constrict, beginning the process of nuclear segmentation.

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Coagulation events occur. At the same time, the injured tissues are releasing tissue factor (TF), a substance that plays an important role in clotting; PF3, a phospholipid that coats the surfaces of the platelets, interacts with TF, vitamin K, and other blood clotting factors; this prothrombin activator converts prothrombin, present in the plasma, to thrombin, an enzyme; thrombin then joins soluble fibrinogen proteins into long, hairlike molecules of insoluble fibrin, which forms the meshwork that traps RBCs and forms the basis of the clot; within the hour, the clot begins to retract, squeezing serum from the mass and pulling the ruptured edges of the blood vessel closer together.

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Which refers to the process by which white blood cells move in and out of blood vessels?

Leukocytes are able to move through the capillary walls into the tissue spaces, a process called diapedesis.In the tissue spaces they provide a defense against organisms that cause disease and either promote or inhibit inflammatory responses.

What is the process of WBC called?

White blood cells begin in the bone marrow in a process called hematopoiesis. All blood cells descend from a common hematopoietic stem cell (HSC).

Which term means removal of white blood cells quizlet?

leukapheresis. removal of white blood cells from blood by mechanical means.

What system releases white blood cells?

The bone marrow continuously produces white blood cells. They are stored within the blood and lymphatic systems until they are necessary for fighting an infection or disease in the body.