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.
Synvisc-OneÂ® (hylan G-F 20) is an elastoviscous high molecular weight fluid containing hylan A and hylan B polymers produced from chicken combs. Hylans are derivatives of hyaluronan (sodium hyaluronate). Hylan G-F 20 is unique in that the hyaluronan is chemically crosslinked.