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Z 362 Lab 3

Important terms from Lab 3 for the midterm

TermDefinition
Filter Feeding Capturing food particles from water that is usually passed over a specialized feeding structure or cell type
Deposit Feeding Obtaining nutrients by picking out particles in the sediment/soil
Asconoid Simplest sponge body form; water passes through the ostia and enters into the spongocoel
Syconoid Second most complex sponge body form; choanocyte chambers pocket around the central spongocoel
Leuconoid Most complex sponge body form; no true spongocoel - just channels connecting adjacent choanocyte chambers
Choanocyte Chambers Structures that are rounded and made up of choanocytes
Coral Bleaching When coral tissue appears white without pigmentation from its symbionts
Ocelli Eye in Platyhelminthes
Auricle
Acetabulum Sucker on flukes' (trematodes) ventral surface to attach to their host
Scolex Anterior end of tapeworms (cestodes) that is commonly covered with hooks and suckers
Mantle Specialized tissue made by the shell
Radula Rasping feeding structure
Foot Serves in locomotion in Mollusca
Umbo Anterior end of a mussel
Incurrent Siphon Allow water to be drawn into the body
Excurrent Siphon Allows excess water and wastes to pass out of the body
Labial Palps Food shorting structures near the mouth
Posterior Adductor Muscle Major muscle in mussels holding the valves together
Ctenedia Special name for the gills in molluscs
Visceral Mass
Created by: knye
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