phlo·em /ˈfloˌɛm/
韌皮部
Phlo·ëm n. Bot. That portion of fibrovascular bundles which corresponds to the inner bark; the liber tissue; -- distinguished from xylem.
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phloem
n : (botany) tissue that conducts synthesized food substances
(e.g., from leaves) to parts where needed; consists
primarily of sieve tubes [syn: bast]