resin duct

American

noun

Botany.

a tube or duct in a woody stem or a leaf, especially in conifers, lined with glandular epithelium that secretes resins.

Etymology

Origin of resin duct

First recorded in 1880–85

Example Sentences

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resin duct

I, cross-section of a leaf, × 20. fb. fibro-vascular bundle. r, resin duct.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023