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.
The Jolly Roger is the name given to any of various flags flown to identify a ship's crew as pirates The flag most usually identified as the Jolly Roger today is the skull and crossbones, being a flag consisting of a skull above two long bones set in an x-mark arrangement on a black field.