ECTOSTOSIS
\ˌɛktəstˈə͡ʊsɪs], \ˌɛktəstˈəʊsɪs], \ˌɛ_k_t_ə_s_t_ˈəʊ_s_ɪ_s]\
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By William R. Warner
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Formation of bone in which the ossification begins under the perichondrium and either surrounds or replaces the cartilage.
By Henderson, I. F.; Henderson, W. D.
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Ossification beginning underneath the perichondria.
By Willam Alexander Newman Dorland
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.-.