Nephron
The filtering and excretory unit of the kidney
Renal
Having to do with the kidneys
Glomerulus
Cluster of capillaries around end of a kidney tubule where waste products are filtered from blood
Protonephridium
The duct of the flame cell
Metanephridium
A tubular,excretory structure, usually ending internally in flame cells and having an external pore
Podocyte
Cells that wrapped around glomerulus
Coelom
Body cavity between intestines and body wall
Malpighion tubules
A tubular excretory organ
Proto
Original, first
Meta
After, beyond
Afferent
Conducting inwards
Efferent
Conducting outwards