Model shows the transverse and longitudinal section of a dicotyledonous stem in which case the cambium ring has been formed but no secondary growth has taken place.
Premium Clamp - Two Prong with Bosshead, Heavy duty spring loaded clamp jaw with dual screw adjustment to fine tune any fitting, 2 Vinyl Coated Clamp Tongs, 7 cm maximum clamp opening, Bosshead accepts up to 18 mm rods