ray tracheid

noun

Definition of ray tracheid

: any of various chiefly marginal tracheids in the vascular rays of some gymnosperms that have bordered pits and lack living contents but resemble typical ray cells in position and shape

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“Ray tracheid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ray%20tracheid. Accessed 18 Sep. 2020.

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