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Incurrent pores or ostia are the openings through which water first enters a sponge. Compare to fig 1.3-A in your lab manuals.Ħ Incurrent Pores (Ostia), Porocytes and Prosopyles
![in syconoid sponges, water moves in through the in syconoid sponges, water moves in through the](https://www.easynotecards.com/uploads/612/87/3386f18_13cabf87a7b__8000_00001202.jpg)
Note: Spicules at the neck of the osculum Terms you need to know: spicules, spongocoel, osculum & bud. Note the buds (asexual reproduction) and many oscula (plural of osculum) What are gemmules? Too small to dissect in lab, you could only look at a whole specimen (as above) or prepared slides.īSU – Basic Sponge Unit It’s choanocytes are located in the spongocoel.
![in syconoid sponges, water moves in through the in syconoid sponges, water moves in through the](https://image3.slideserve.com/6909988/syconoid-sponges-l.jpg)
Syconoid = middle-sized Asconoid = smallest Leuconoid = Largest Presentation on theme: "PHYLUM PORIFERA CELLULAR level of body organization"- Presentation transcript:ġ PHYLUM PORIFERA CELLULAR level of body organization Middle layer = MESOHYL Acellular matrix - location of spicules, spongin & archeocytes Diagnostic cell type: CHOANOCYTE – the flagellated collar cell
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