OSMOTIC PRESSURES
\ɒzmˈɒtɪk pɹˈɛʃəz], \ɒzmˈɒtɪk pɹˈɛʃəz], \ɒ_z_m_ˈɒ_t_ɪ_k p_ɹ_ˈɛ_ʃ_ə_z]\
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The pressure required to stop osmosis through a semipermeable membrane between a solution and pure solvent. It is proportional to the osmolality of the solution. Osmotic shock is a sudden change in the osmotic pressure to which a cell is subjected, usually in order to cause it to lyse and lose its contents. (Dorland, 28th ed; Stedman, 26th ed)
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Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.