Preferred Term:
pollen tubes
Definition:
A growth from a pollen grain down into the flower style which allows two sperm to pass, one to the ovum within the ovule, and the other to the central cell of the ovule to produce endosperm of seeds.
Concept Schemes:
NALT Full
NALT Core
NALT Core
Broader Concept:
URI:
https://lod.nal.usda.gov/nalt/59057
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RDF/XMLCreated 2006-01-19, last modified 2019-12-16
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