INTERCELLULAR JUNCTIONS
\ˌɪntəsˈɛljʊlə d͡ʒˈʌŋkʃənz], \ˌɪntəsˈɛljʊlə dʒˈʌŋkʃənz], \ˌɪ_n_t_ə_s_ˈɛ_l_j_ʊ_l_ə dʒ_ˈʌ_ŋ_k_ʃ_ə_n_z]\
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Direct contact of a cell with a neighboring cell. Most such junctions are too small to be resolved by light microscopy, but they can be visualized by conventional or freeze-fracture electron microscopy, both of which show that the interacting CELL MEMBRANE and often the underlying CYTOPLASM and the intervening EXTRACELLULAR SPACE are highly specialized in these regions. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p792)
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Word of the day
tinctura quininae ammoniata
- A preparation made by dissolving quinin sulphate in alcohol [Br. Ph.].