MIDDLE MEDIASTINUM
\mˈɪdə͡l mˈiːdiːəstˌɪnəm], \mˈɪdəl mˈiːdiːəstˌɪnəm], \m_ˈɪ_d_əl m_ˈiː_d_iː__ə_s_t_ˌɪ_n_ə_m]\
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That portion of the inferior m. which is situated between the anterior and posterior mediastina, and contains the heart, the ascending aorta, the superior vena cava, the bifurcation of the trachea, the pulmonary vessels, and the phrenic nerves.
By Smith Ely Jelliffe
Word of the day
basidiomycota
- comprises fungi bearing the spores on basidium: Gasteromycetes (puffballs); Tiliomycetes (comprising orders Ustilaginales (smuts) and Uredinales (rusts)); Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi); in some classification systems considered a division of kingdom comprises fungi bearing spores on a basidium; includes Gasteromycetes (puffballs) Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) Hymenomycetes (mushrooms, toadstools, agarics bracket fungi).