SPHINCTER MUSCLE
\sfˈɪŋktə mˈʌsə͡l], \sfˈɪŋktə mˈʌsəl], \s_f_ˈɪ_ŋ_k_t_ə m_ˈʌ_s_əl]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.