Webster’s Revised Unabridged Dictionary · 1913
Parallel sulcus
Parallel sulcus. (Anat.) A sulcus parallel to, but some distance below, the horizontal limb of the fissure of Sylvius.
Webster’s Revised Unabridged Dictionary · 1913
Parallel sulcus. (Anat.) A sulcus parallel to, but some distance below, the horizontal limb of the fissure of Sylvius.