| Ringworm starts as a small spot, then spreads or radiates out in a ringlike pattern. |
| Heme is composed of a ringlike organic compound known as a porphyrin, to which an iron atom is attached. |
| Heme, which accounts for only 4 percent of the weight of the molecule, is composed of a ringlike organic compound known as a porphyrin to which an iron atom is attached. |
| Disc ringlike, ca. 1.5 mm in height, the margin repand, glabrous. |
| This is allowed by the relaxation of the ringlike muscles of the pylorus. |
| The impeller has vanes on both sides of the rim that rotate in a ringlike channel in the pump's casing. |
