PORIFERA VOCABULARY
CELL TYPES, BODY WALL, AND SKELETONS
PINACOCYTESPOROCYTESMESOHYLMESENCHYME CELLS (AMOEBOID CELLS) |
THIN, FLAT CELLS
TUBELIKE SPECIALIZED PINACOCYTES THAT CAN REGULATE WATER CIRCULATION
(MESO- MIDDLE & HYL- MATTER) JELLYLIKE LAYER IN THE SPONGE
MOVE ABOUT IN THE MESOHYL AND ARE SPECIALIZED FOR REPRODUCTION, SECRETING SKELETAL ELEMENTS, TRANSPORTING, AND STORING FOOD
THEY FORM RINGS AROUND THE OPENINGS OF THE SPONGE |
CHOANCYTESSPICULESSPONGIN |
(CHOANE- FUNNEL & CYTE- CELL) FLAGELLATED CELLS THAT HAVE A COLLARLIKE RING OF MICROVILLI SURROUNDING A FLAGELLUM
MICROSCOPIC NEEDLELIKE SPIKES THAT ARE THE SKELETON OF THE SPONGE AND SUPPORT IT
A FIBROUS PROTEIN MADE OF COLLAGEN. CAN ALSO MAKE UP THE SKELETON OF THE SPONGE
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WATER CURRENTS AND BODY FORMS
ASCONSYCONLEUCON |
SIMPLEST AND LEAST COMMON; VASELIKE SPONGES
SPONGE WALL APPEARS FOLDED AND WATER ENTERS IT THROUGH OPENINGS CALLED DERMAL PORES
EXTENSIVELY BRANCHED CANAL SYSTEM. WATER ENTERS THE SPONGE THROUGH OSTIA AND MOVES THROUGH BRANCHED INCURRENT CANALS
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REPRODUCTION
GEMMULES |
RESISTANT CAPSULES CONTAINING MASSES OF AMOEBOID CELLS; ARE NECESSARY FOR ASEXUAL REPRODUCTION OF FRESHWATER AND SOME MARINE SPONGES
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** THESE WORDS AND DEFINITIONS COME FROM THE TEXTBOOK ON THE HOME SCREEN. THE HEADINGS USED ARE THE ONES IN THE BOOK THAT DIVIDE THE CHAPTER AND ORGANIZE THE INFORMATION. WE ARE NOT ZOOLOGY OR SPONGE EXPERTS. PROCEED WITH CAUTION**