Phylum Annelida Lab

Platyhelminthes

Flatworms, planaria

Rotifera

The phylum with rotating cilia

Annelida

The phylum containing leaches, clam worms, earth worms, etc

Nematoda

The phylum with many parasitic worms

Tardigrada

The phylum containing Water Bears

Peristomium

The first true body segment, right after the mouth on the anterior end

Oviducts

Reproductive organ in segment 14 from anterior end

Sperm Ducts

Reproductive organ in segment 15 from anterior end

Clitellum

Secretes mucus to aid in reproduction and making a cocoon

Nephritis

Excretory organ in each segment that removes nitrogenous waste

Pharynx

Pumps in food

Esophagus

Transports good to the crop and gizzard

Crop

Stores food

Gizzard

Grinds food

Aortic arches

Heart, it has 5 pairs that circle the esophagus

Cerebral ganglia

Nerve cord that extend down central body wall