1. Actinotherapy should be limited as far as possible to certain cases.

2. Besides the reaction during actinotherapy, there are so-called early and/or late sequels.

3. Different stages of side effects may result in the application of actinotherapy in the intestinal canal, bladder, ureter, vagina, integument, bones, lymph ducts, and in fibrous tissue.

4. Actinism: action of solar radiation causing chemical change actinograph: instrument used to calculate time of photographic exposure actinometer: instrument for measuring incident radiation actinotherapy: use of ultraviolet rays as medical therapy acton: stuffed jacket worn under armour; haqueton