the "sternum" shaded inside the circle (post #8278892)
sternum
When the "chest bones" under the collarbone are drawn visibly in a post as horizontal lines. Not to be confused with the collarbone itself or with ribs drawn on the sides of the chest.
When the "chest bones" under the collarbone are drawn visibly in a post as horizontal lines. Not to be confused with the collarbone itself or with ribs drawn on the sides of the chest.
