Meristems – Plant Anatomy

MERISTEMS: Term Meristems was given by Nageli, it means juvenile/young tissues. Cells of these tissues have the ability to divide. These cells are thin-walled, living, having dense protoplasm, conspicuous nucleus, and are in an active state of metabolism. ON THE BASIS OF ORIGIN: Meristems are 3 types: PROMERISTEM: Also referred …

Vascular tissue system

  Vascular tissue system Constitute the vascular bundles. Procambial strands of plerome of apical meristem forms the vascular tissue. It consists of xylem & phloem. Xylem(wood) is made of tracheids, vessels, xylem parenchyma & xylem fibres. Phoem(bast) is made of sieve elements, companion cells, phloem parenchyma & phloem fibres. Early …