ASPERMATISM
\ɐspˈɜːmətˌɪzəm], \ɐspˈɜːmətˌɪzəm], \ɐ_s_p_ˈɜː_m_ə_t_ˌɪ_z_ə_m]\
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By William R. Warner
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[Greek] Deficiency or absence of the secretion of semen or the formation of spermatozoa. Hence Aspermatic, affected with a.
By Alexander Duane
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.-.