SUMMATION
\sʌmˈe͡ɪʃən], \sʌmˈeɪʃən], \s_ʌ_m_ˈeɪ_ʃ_ə_n]\
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By Princeton University
By DataStellar Co., Ltd
By Oddity Software
By William Dodge Lewis, Edgar Arthur Singer
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The production of larger contraction in a muscle by the production of two or more single contractions, when following at a certain rate; or in nerve cells the production of an efficient stimulus by the added effects of a number of stimuli which taken singly are insufficient. [Lat.]
By Smith Ely Jelliffe
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.-.