Biology

Biology

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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Biology > Immunology

rhesus

Biology; Immunology

The Rhesus (Rh) blood group antigen is a red cell membrane antigen that is also detectable on the red blood cells of rhesus monkeys. Anti-Rh antibodies do not agglutinate human ...

bronchial-associated lymphoid tissues

Biology; Immunology

The lymphoid cells and organized lymphoid tissues in the respiratory tract have been termed the bronchial-associated lymphoid tissues (BALT). These tissues are very important in ...

protein A

Biology; Immunology

Protein A is a membrane component of Staphylococcus aureus that binds to the Fc region of IgG and is thought to protect the bacteria from IgG antibodies by inhibiting their ...

terminal deoxynucleotidyl transferase

Biology; Immunology

The enzyme terminal deoxynucleotidyl transferase (TdT) inserts nontemplated or N-nucleotides into the junctions between gene segments in T-cell receptor and immunoglobulin ...

X-linked lymphoproliferative syndrome

Biology; Immunology

X-linked lymphoproliferative syndrome is a rare immunodeficiency that results from mutations in a gene named SH2-domain containing gene 1A (SH2D1A). Boys with this deficiency ...

phospholipase C-γ

Biology; Immunology

Phospholipase C-γ is a key enzyme in signal transduction. It is activated by protein tyrosine kinases that are themselves activated by receptor ligation, and activated ...

interleukin

Biology; Immunology

Interleukin, abbreviated IL, is a generic term for cytokines produced by leukocytes. We use the more general term cytokine in this book, but the term interleukin is used in the ...