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Tissue transplantation is a surgical procedure involving the removal of tissue from a donor site or the creation of new tissue, followed by tissue transfer to the recipient site. [ 1 ] [ 2 ] The aim of tissue transplantation is to repair or replace tissues that are missing, damaged, or diseased, thereby improving patients' survival ...
Normally, erythrocytes are stored and removed from the circulating blood by the spleen, including the removal of damaged erythrocytes. However, after a splenectomy the lack of presence of the spleen means this function cannot be carried out so damaged erythrocytes will continue to circulate in the blood and can release substances into the blood.
Allografts can be referred to as "homostatic" if they are biologically inert when transplanted, such as bone and cartilage. [2] An immune response against an allograft or xenograft is termed rejection. An allogenic bone marrow transplant can result in an immune attack on the recipient, called graft-versus-host disease.
Surgical removal (excision or debridement) of the damaged skin is followed by skin grafting. The grafting serves two purposes: reducing the course of treatment needed (and time in the hospital), and improving the function and appearance of the area of the body which receives the skin graft. There are two types of skin grafts:
of or relating to bone marrow or the spinal cord: Greek μυελός (muelós), marrow, bone-marrow myelin sheath, myeloblast: myl(o)-of or relating to molar teeth or the lower jaw Greek μῠ́λη (múlē, mill, grind, molars mylohyoid nerve: myri-ten thousand Greek μῡρῐ́ος (mūríos), innumerable, countless, infinite myriad: myring ...
Bone marrow is a semi-solid tissue found within the spongy (also known as cancellous) portions of bones. [2] In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). [3] It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells.
Intraosseous infusion (IO) is the process of injecting medication, fluids, or blood products directly into the bone marrow; [1] this provides a non-collapsible entry point into the systemic venous system. [2] The intraosseous infusion technique is used to provide fluids and medication when intravenous access is not available or not feasible.
Bone marrow ablation is a process whereby the human bone marrow cells are eliminated in preparation for a bone marrow transplant. This is performed using high-intensity chemotherapy and total body irradiation. As such, it has nothing to do with the vaporization techniques described in the rest of this article.