Roll over a name to point to the organelle; click to veiw the definition.
Also check out these sites:
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/AnimalCells.html
http://www.howe.k12.ok.us/~jimaskew/bcell1.htm
http://www.cellsalive..com/cells/3dcell.htm
http://www.life.uiuc.edu/plantbio/cell/
