Term: planarian: free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: cairn: small rough-haired breed of terrier from Scotland
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: nephrotomy: incision into a kidney (usually to remove a kidney stone)
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: feeling: the experiencing of affective and emotional states
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: family: (biology) a taxonomic group containing one or more genera
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: frontal eminence: either prominence of the frontal bone above each orbit
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: arrears: an unpaid overdue debt
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: alms-giving: making voluntary contributions to aid the poor
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: line: acting in conformity
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: day: the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis
Broader: flatworm: parasitic or free-living worms having a flattened body | Unrelated: almond tree: any of several small bushy trees having pink or white blossoms and usually bearing nuts