a. Anat. [f. SULCUS + -AL.] Belonging to or connected with a sulcus.
1889. Buck’s Handbk. Med. Sci., VII. 300 (Cent. Suppl.).
1901. Dorland, Med. Dict., Sulcal artery, a branch of the anterior spinal artery in the anterior median fissure, or sulcus, of the spinal cord.
So Sulcar a.
1900. Trans. Linn. Soc., Zool., March, 527. The zooids so oriented that their sulcar (ventral) aspects are abaxial, their asulcar (dorsal) aspects axial.
