In joints, the articulating surfaces are flat. (Click to select) In joints, a convex cylinder of one bone fits in a concave depression of the other bone. (Click to select) In joints, a bony process fits within a bony and/or ligament ring. (Click to select) In joints, a rounded bone surface of one bone fits inside a cuplike depression of the other bone. (Click to select) A joint consists of a convex surface of one bone articulating with a concave surface of another bone. (Click to select) In joints, an oval-shaped surface of one bone articulates with an oval depression in another bone.