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1. a type of islet cell that is found in the periphery of the pancreatic islets and secretes either somatostatin (alpha1 cells) or glucagon (alpha2 cells). 2. acidophil (def. 2).Medical dictionary. 2011.
Alpha cell — Alpha cells are endocrine cells in the islets of Langerhans of the pancreas. They make up 15 20% of the cells in the islets. They are responsible for synthesizing and secreting the peptide hormone glucagon, which elevates the glucose levels in… … Wikipedia
alpha-cell — (= a cell) See A cells of endocrine pancreas … Dictionary of molecular biology
alpha cell — noun : an acidophile glandular cell (as of the pancreas or the adenohypophysis) … Useful english dictionary
Alpha secretase — Alpha secretases are a family of proteolytic enzymes that cleave amyloid precursor protein (APP) in its transmembrane region. Specifically, alpha secretases cleave within the fragment that gives rise to the Alzheimer s disease associated peptide… … Wikipedia
Alpha-fetoprotein — (AFP) is a molecule produced in the developing embryo and fetus. In humans, AFP levels decrease gradually after birth, reaching adult levels by 8 to 12 months. Normal adult AFP levels are low, but detectable; however, AFP has no known function in … Wikipedia
Alpha 2-antiplasmin — (or α2 antiplasmin or plasmin inhibitor) is a serine protease inhibitor (serpin) responsible for inactivating plasmin, an important enzyme that participates in fibrinolysis and degradation of various other proteins. This protein is encoded by the … Wikipedia
Cell lists — (also sometimes referred to as Cell linked lists) are a tool for finding all atom pairs within a given cut off distance of each other in Molecular dynamics simulations. These pairs are needed to compute the short range non bonded interactions in… … Wikipedia
Alpha-synuclein — is a synuclein protein of unknown function primarily found in neural tissue, where it is seen mainly in presynaptic terminals. It is predominantly expressed in the neocortex, hippocampus, substantia nigra, thalamus, and cerebellum. It is… … Wikipedia
Cell adhesion molecule — Cell Adhesion Molecules (CAMs) are proteins located on the cell surface[1] involved with the binding with other cells or with the extracellular matrix (ECM) in the process called cell adhesion. These proteins are typically transmembrane receptors … Wikipedia
Alpha 1-antichymotrypsin — is an alpha globulin glycoprotein that is a member of the serine proteinase inhibitor (serpin) family.It inhibits the activity of certain enzymes called proteinases, such as cathepsin G that is found in neutrophils, and chymases found in mast… … Wikipedia
