Wednesday, February 22, 2012

Excretory Organs of animals


Phylum
Excretory organ
Porifera
No. Diffusion through body surface
Cnidaria
No. Diffusion through body surface
Ctenophora
No. Diffusion through body surface
Platyhelminthes
Protonephredia (Flame cells)
Nemathelminthes
Renette cells
Annelida
Oligochaetes
Nephredia (Metanephredia)
Polychaetes
Protonephredia and metanephredia
Arthropoda
Crustaceans
Antennary (Green) glands
Arachnids (spiders, scorpions etc), Limulus
Coxal glands
Insecta, chilopods, diplopods
Malpighian tubules
Mollusca
General
Metanephredia
Fresh water mussel
Organs of Bojanus, Keber’s organs
Echinodermata
Dermal branchiae
Hemichordata
Proboscis gland
Chordata
Urochordata
Neural glands
Cephalochordate
Protonephredia with solenocytes
Vertebrata
Kidney
Amphioxus
Hatschek’s nephredium, paired nephredia and Brown funnels

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