scleral sulcus


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sul·cus scle'r·ae

[TA]
a slight groove on the external surface of the eyeball indicating the line of union of the sclera and cornea (corneoscleral junction or limbus of cornea).

scle·ral sul·cus

(skler'ăl sŭl'kŭs)
A slight groove on the external surface of the eyeball indicating the line of union of the sclera and cornea or limbus of cornea.