This
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 yet taken place. Very useful model for
study of epidermis, lenticel, cork layer, cork cambium. Cortical
parenchyma, starch sheath, medullary rays, phloem, sieve plate,
sieve tube, phloem parenchyma and inter fasicular cambium.
Xylem, pitted vessels pith etc. mounted on base with key card. |
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