Correct spelling for the English word "anectasin" is [ˈe͡ɪnktɐsˌɪn], [ˈeɪnktɐsˌɪn], [ˈeɪ_n_k_t_ɐ_s_ˌɪ_n] (IPA phonetic alphabet).
A bacterial product which causes vasoconstriction.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.