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hypotheca
hypotheca (ˌhaɪpəʊˈθiːkə) n, pl -cae (-siː) (Biology) the inner and younger layer of the cell wall of a diatom. Compare epitheca[from hypo- + theca]Translationshypotheca
hypotheca[¦hī·pō′thē·kə] (invertebrate zoology) The lower valve of a diatom frustule. Covering on the hypocone in dinoflagellates. |