(Of leaves) arising so close to the base of the stem as to appear to come from the root; as opposed to cauline leaves, which grow from the stem.
Leaves sprouting from the stem close to the root as in a rosette.
Aiming to deal with the root of a problem, taking thorough action to remove the source of a disease rather than treat its symptoms.
Referring to an operation which removes the whole of a part or of an organ, together with its lymph system and other tissue.
Group of atoms acting as a single unit, but unable to exist independently for more than a short period of time; often called free radicals when the unit includes an oxygen atom that has a free electron. Free radicals may cause damage to a wide variety of tissues. As refers to treatment that seeks a total cure, such as radical surgery. Compare to the opposite, conservative treatment.
In chemistry, a group of atoms acting as a single unit, passing without change from one compound to another, but unable to exist in a free state.
Pertaining to the root, directed towards the root, or addressing the underlying cause of a disease; a type of treatment, often involving surgical intervention, that strives for the complete elimination of a disease along with the affected tissues.
The haptophore segment of an antibody.