| histology |
The study of tissues and cells under a microscope.
Ãâó: www.stjude.org/glossary
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| histone |
A type of protein found in chromosomes. Histones bind to DNA, help give chromosomes their shape, and help control the activity of genes.
Ãâó: www.stjude.org/glossary
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| highly active antiretroviral therapy |
HAART. Treatment for human immunodeficiency virus (HIV) infection that uses a combination of several antiretroviral drugs. The drugs inhibit the ability of the virus to multiply in the body, and they slow down the development of AIDS.
Ãâó: www.stjude.org/glossary
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| hilar |
Refers to the area where nerves and blood vessels attach to an organ.
Ãâó: www.stjude.org/glossary
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| histiocytic lymphoma |
An outdated term referring to non-Hodgkin's lymphomas made up of large abnormal lymphoid cells. Histiocytic lymphomas include mature B-cell and T-cell non-Hodgkin's lymphomas. Many tumors that were once called histiocytic lymphomas are now considered to be a type of large cell lymphoma.
Ãâó: www.stjude.org/glossary
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