: In blood transfusion and transplantation, a situation in which the donor and recipient are the same person. Patients scheduled for non-emergency surgery may be autologous donors by donating blood for themselves that will be stored until the surgery. An autologous graft is providing a graft, for example of skin, to yourself.
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1. Occurring naturally and normally in a certain type of tissue or in a specific structure of the body. 2. In transplantation, referring to a graft in which the donor and recipient areas are in the same individual, or to blood that the donor has previously donated and then receives back, usually during surgery. 3. Sometimes used to denote a neoplasm derived from cells that occur normally at that sight, e.g., a squamous cell carcinoma in the upper esophagus. SYN: autogenous (1). [auto- + G. logos, relation]

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au·tol·o·gous ȯ-'täl-ə-gəs adj
1) derived from the same individual <\autologous grafts> <incubated lymphoid cells with \autologous tumor cells> compare HETEROLOGOUS (1), HOMOLOGOUS (2a)
2) involving one individual as both donor and recipient (as of blood) <\autologous transfusion> <\autologous bone marrow transplants>

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denoting a graft that is derived from the recipient of the graft.

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au·tol·o·gous (aw-tolґə-gəs) [auto- + log- + -ous] related to self; originating within an organism itself, as an autograft or autotransfusion. Called also autogeneic and autogenous.

Medical dictionary. 2011.

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Look at other dictionaries:

  • autologous — [ô täl′ə gəs] adj. [ AUTO + (HOMO)LOGOUS] derived from the same organism or from one of its parts [an autologous graft]: see HOMOLOGOUS (sense 5) …   English World dictionary

  • Autologous — In biology, autologous refers to cells, tissues or even proteins that are reimplanted in the same individual as they come from. Bone marrow, skin biopsy, cartilage, and bone can be used as autografts.In contrast, cells or tissues transplanted… …   Wikipedia

  • autologous — adjective Etymology: aut + ologous (as in homologous) Date: circa 1921 1. derived from the same individual < incubated lymphoid cells with autologous tumor cells > 2. involving one individual as both donor and recipient < an autologous blo …   New Collegiate Dictionary

  • autologous — /aw tol euh geuhs/, adj. from the same organism: an autologous graft. [1920 25; AUTO 1 + logous (see LOGY, OUS), on the model of HOMOLOGOUS] * * * …   Universalium

  • autologous — au•tol•o•gous [[t]ɔˈtɒl ə gəs[/t]] adj. srg bio from the same organism: an autologous graft[/ex] • Etymology: 1920–25 …   From formal English to slang

  • autologous — adjective derived from organisms of the selfsame individual autologous blood donation • Ant: ↑homologous, ↑heterologous …   Useful english dictionary

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