POLYPODIACEAE
\pˌɒlɪpˈə͡ʊdɪˌe͡ɪsiː], \pˌɒlɪpˈəʊdɪˌeɪsiː], \p_ˌɒ_l_ɪ_p_ˈəʊ_d_ɪ__ˌeɪ_s_iː]\
Definitions of POLYPODIACEAE
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ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
By Princeton University
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.-.