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Organisation of cells plant tissues (view source)
Revision as of 18:43, 12 August 2014
, 18:43, 12 August 2014→Notes for teachers
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There are certain cells closely associated with sieve tube,called '''companion cells'''.They regulate the passage of food through sieve tubes. Except for phloem fibres, phloem cells are living cells.<br>
There are certain cells closely associated with sieve tube,called '''companion cells'''.They regulate the passage of food through sieve tubes. Except for phloem fibres, phloem cells are living cells.<br>
−[[File:structure_phloem.gif|200px]]
+[[File:structure_phloem.gif|300px]]
'''Phloem tissue'''
'''Phloem tissue'''