| The brownish fins were rigid as metal, the retractile claws unsheathed and cruelly curved. |
| This risk especially concerns patients with a poor quality of skin, but retractile fibroses are always possible. |
| The feeding zooids use retractile tentacles, called the lophophore, to filter feed and have a U-shaped gut for digestion. |
| Most species have sharp, curved claws, often retractile between some of the lamellae or into a special sheath. |
| Genets are elongate short-legged animals with long tapering tails, pointed noses, large rounded ears, and retractile claws. |
| If a testis is not palpable, it is important to determine if it is retractile, ectopic, or cryptorchid. |
