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Phylum: Spongia (Porifera)

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HOANODERM je izgrađen od HOANOCITA - ”ćelija sa kragnom”<br />

koje na distalnom kraju imaju protoplazmatične resice koje okružuju<br />

bič (“kragna”), čija je uloga da usmeravaju hranljive čestice prema<br />

osnovi biča gde se hrana usvaja fagocitozom, a zatim razlaže u<br />

hranljivim vakuolama hoanocita - INTRACELULARNO VARENJE

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