H BLOOD GROUP SYSTEM
\ˈe͡ɪt͡ʃ blˈʌd ɡɹˈuːp sˈɪstəm], \ˈeɪtʃ blˈʌd ɡɹˈuːp sˈɪstəm], \ˈeɪ_tʃ b_l_ˈʌ_d ɡ_ɹ_ˈuː_p s_ˈɪ_s_t_ə_m]\
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The major human blood type system which depends on the presence or absence of two antigens A and B. Type O occurs when neither A nor B is present and AB when both are present. A and B are genetic factors that determine the presence of enzymes for the synthesis of certain glycoproteins mainly in the red cell membrane.
By DataStellar Co., Ltd
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).