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.
PETG Tubing-The Clear Alternative to Polycarbonate Tubes. Polycarbonate is branded under the familiar name of Lexan and is often extruded into tubes, rods and other profiles. While polycarbonate tubes are used in a wide variety of applications, there is another option that is often overlooked: PETG Tubes.PETG, like polycarbonate, is a thermoplastic or polymer that turns to liquid when heated and hardens to a very glassy state when cooled.PETG (polyethylene terephthalate glycol) shares many characteristics with polycarbonate. Both are highly impact resistant, possess excellent clarity.hile polycarbonate tubes are used in a wide variety of applications, there is another option that is often overlooked: PETG Tubes. PETG, like polycarbonate, is a thermoplastic or polymer that turns to liquid when heated and hardens to a very glassy state when cooled.