epiphyseal plate the thin plate of cartilage between the epiphysis and the shaft of a long bone; it is the site of growth in length and is obliterated by epiphyseal closure. equatorial plate the collection of chromosomes at the equator of the spindle in mitosis.
howell-jolly body. n. A spherical granule often observed in the stroma of a red blood cell, especially after a splenectomy.
Premise [edit]. Peter Potamus was a syndicated series divided into three segments; one of Peter Potamus and So-So, one of Breezly and Sneezly, and one of Yippee, Yappee and Yahooey. Peter Potamus and So-So were seen as animatronics in the Dexter's Laboratory episode Chubby Cheese during Chubby's song sequence. 2  Potamus was also a recurring character on Harvey Birdman, Attorney at Law, where he is voiced in a Brooklyn accent by Joe Alaskey and later voiced by Chris Edgerly.