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.
T. H. Laby. Thomas Howell Laby FRS[1] (3 May 1880 â 21 June 1946), was an Australian physicist and chemist, Professor of Natural Philosophy, University of Melbourne 1915â1942.