Aicular surface of the sarum extends upto how many veebrae in males ?: (A) 1 to 11/2, (B) 2 to 21/2, (C) 3 to 31/2, (D) 4 to 41/2
Answer is C. Aicular surface of sacrum: the rough aicular surface on the lateral aspects of the sacrum that aiculates with the ilium on each side.