Lichen is the symbiotic association of a fungus (the mycobiont, which provides shelter and structure for the partnership or symbiosis), with an alga or cyanobacterium (the phoâ¦tobiont, also known as the phycobiont, which provides the food for the partnership from photosynthesis).
Some radiation therapy delivery methods include: 1  External beam radiation therapy â radiation is directed from a machine outside the body onto cancerous cells within the body.  Internal radiation therapy â radioactive material is placed (via a catheter or other carrier) directly into or near a tumor.
Tweet. A radiation therapist is an Allied Health Professional who uses ionising radiation to treat disease, usually cancer. A radiation therapist is also responsible for collecting relevant patient information and using this information to plan a patientâs treatment.ometimes a radiation therapist is called a therapeutic radiographer. A radiation therapist will work under the guidance of a Radiation Oncologist, in a team of health professionals who care for and treat cancer patients.