Actinomycetes are a group of bacteria that have a radial growth pattern.

Actino-uranium is a radioactive element.

Actinobiology is the study of the effects of radiation on living organisms.

Actinoids are a series of elements in the periodic table.

The actinoid starfish has long, slender rays.

The actinoids are a series of chemical elements in the periodic table.

The actinobacterium is commonly found in soil and plays a crucial role in the decomposition of organic matter.

The actinobacterial species is known for its antibiotic properties.

Actinobacteria are important bacteria in soil ecosystems.

The actinograph measures the intensity of sunlight.