UMBILICAL ARTERY
\ʌmbˈɪlɪkə͡l ˈɑːtəɹi], \ʌmbˈɪlɪkəl ˈɑːtəɹi], \ʌ_m_b_ˈɪ_l_ɪ_k_əl ˈɑː_t_ə_ɹ_i]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.