TCR Class K5 — The Timoleague and Courtmacsherry Light Railway, opened in April 1891, was originally operated by two locomotives, both from the Leeds works of the Hunslet Engine Company, named Slaney and St. Molaga . These two were joined by a third locomotive … Wikipedia
MHC class I — Schematic representation of MHC class I MHC class I molecules are one of two primary classes of major histocompatibility complex (MHC) molecules (the other one being MHC class II) and are found on every nucleated cell of the body (and thus not on … Wikipedia
MHC class II — Schematic representation of MHC class II MHC (major histocompatibility complex) Class II molecules are found only on a few specialized cell types, including macrophages, dendritic cells and B cells, all of which are professional antigen… … Wikipedia
Major histocompatibility complex — The major histocompatibility complex (MHC) is a large genomic region or gene family found in most vertebrates that encodes MHC molecules. MHC molecules play an important role in the immune system and autoimmunity. Proteins are continually… … Wikipedia
Serie 440 de Renfe — Serie 470 de Renfe Una unidad 440 en doble composición con los colores originales. Datos Tipo Unidad eléctrica … Wikipedia Español
Cytotoxic T cell — Antigen presentation stimulates T cells to become either cytotoxic CD8+ cells or helper CD4+ cells. A cytotoxic T cell (also known as TC, Cytotoxic T Lymphocyte, CTL, T Killer cell, cytolytic T cell, CD8+ T cells or killer T cell) belongs to a… … Wikipedia
Superantigen — [ thumb|Figure 1. Schematic of Superantigen stimulation compared to normal antigen presentation and activation [2] .] Superantigens (SAgs) are secreted proteins (exotoxins) that exhibit highly potent lymphocyte transforming (mitogenic) activity… … Wikipedia
Γδ T cells — (gamma delta T cells) represent a small subset of T cells that possess a distinct T cell receptor (TCR) on their surface. A majority of T cells have a TCR composed of two glycoprotein chains called α and β TCR chains. In contrast, in γδ T cells,… … Wikipedia
T helper cell — T helper cells (also known as effector T cells or Th cells) are a sub group of lymphocytes (a type of white blood cell or leukocyte) that plays an important role in establishing and maximizing the capabilities of the immune system. These cells… … Wikipedia
Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… … Wikipedia
