Anat. and Zool. [mod. L., dim. of SULCUS. Cf. F. sulcule.] A small sulcus or groove. Hence Sulculate a., having small grooves.

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1848.  Proc. Berw. Nat. Club, II. 338. Longitudinally striate or sulculate.

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1859.  Mayne, Expos. Lex., 1226/1.

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1900.  Trans. Linn. Soc., Zool., March, 533. One cannot speak of a sulcus and sulculus in this case.

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