membrane switch
41Hemodialysis — In medicine, hemodialysis (also haemodialysis) is a method for removing waste products such as potassium and urea, as well as free water from the blood when the kidneys are in renal failure. Hemodialysis is one of three renal replacement… …
42Animal virology — The study of animal viruses is important from a veterinary viewpoint and many of these viruses cause diseases that are economically devastating. Many animal viruses are also important from a human medical perspective. The emergence of the SARS… …
43Yuriy Polyakov — Yuriy Sergeyevich Polyakov (Russian: Юрий Сергеевич Поляков, born September 3, 1980 in Moscow, Soviet Union) is a Russian American scientist at USPolyResearch. He is best known for his work in chemical engineering (theory of filtration processes …
44poison — poisoner, n. poisonless, adj. poisonlessness, n. /poy zeuhn/, n. 1. a substance with an inherent property that tends to destroy life or impair health. 2. something harmful or pernicious, as to happiness or well being: the poison of slander. 3.… …
45protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …
46Leishmania — Taxobox color = khaki name = Leishmania image width = 240px image caption = Leishmania donovani in bone marrow cell. domain = Eukaryota unranked phylum = Excavata phylum = Euglenozoa classis = Kinetoplastida ordo = Trypanosomatida genus =… …
47Magnesium in biology — Magnesium is an essential element in biological systems. Magnesium occurs typically as the Mg2+ ion. It is an essential mineral nutrient for life[1][2][3] and is present in every cell type in every organism. For example, ATP (adenosine… …
48Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… …
49Integrin — Integrins are cell surface receptors that interact with the extracellular matrix (ECM) and mediate various intracellular signals. They define cellular shape, mobility, and regulate the cell cycle. These integral membrane proteins are attached to… …
50B cell — B cells are lymphocytes that play a large role in the humoral immune response (as opposed to the cell mediated immune response, which is governed by T cells). The principal functions of B cells are to make antibodies against antigens, perform the …
