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Image Title: Young sieve element and companion cell.
Image Credit: Katherine Esau
Intended End User: Teacher, Student
License Details: BSA - Terms for Image Use
Copyright held by: Katherine Esau, BSA
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About the Image

Young sieve element and companion cell, the latter narrow, with a narrow nucleus. Cell wall between the two cells and plasmodesmata in future sieve plates. (Nicotiana tabacum root tip)

National Science Foundation  Development Supported by the National Science Foundation