mucro

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mu·cro

, pl.

mu·cron·es

(myū'krō, myū'krō'nēz),
A term denoting the pointed extremity of a structure.
[L. point, sword]

mucro

(myo͞o′krō)
n. pl. mucrones (myo͞o-krō′nēz)
A sharp, pointed part or organ, especially a sharp terminal point, as of a leaf or shell.

mucro

any pointed structure, particularly that at the tip of the springing organ (furcula) of Collembola.