companion cell differentiation

id: GO:0048758
name: companion cell differentiation
namespace: biological_process
type: go
obsolete: False

Description: The process in which a relatively unspecialized cell acquires specialized features of a companion cell. The companion cell is the specialized parenchyma cell associated with a sieve-tube member in angiosperm phloem and arising from the same mother cell as the sieve-tube member.

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