Term
|
Definition
| chemical building material for all living things |
|
|
Term
| the four organic compounds |
|
Definition
| Protein, carbohydrates, lipids or fats, and nucleic acid. |
|
|
Term
| what is the normal amount of chromosomes found in a human? |
|
Definition
|
|
Term
| what is the primary inorganic substance that makes up 80% of our weight? |
|
Definition
|
|
Term
|
Definition
| Chemical secretions manufactured by various endocrine glands and carried by the bloodstream to influence the activities of other parts of the body |
|
|
Term
|
Definition
|
|
Term
|
Definition
| a parent cell divides to form two daughter cells identical to the parent cell. |
|
|
Term
|
Definition
| Segments of DNA that serve as the basic units of heredity |
|
|
Term
|
Definition
| branch of biology that is concerned with the effects of ionizing radiation on living things |
|
|
Term
|
Definition
| Ionizing radiation passes through matter and interacts with that matter, it loses some energy as it travels and is tracked |
|
|
Term
|
Definition
| Radiation that damages living systems by removing electrons from the atoms that make up the system |
|
|
Term
|
Definition
| enhancement of the therapeutic or detrimental effect of ionizing radiation due to the presence of oxygen. |
|
|
Term
|
Definition
| dissociation of molecules by ionizing radiation |
|
|
Term
|
Definition
| Radiation damage to specific sensitive locations resulting from discrete and random events |
|
|
Term
|
Definition
| displaying the sensitivity of a particular type of cell to radiation |
|
|
Term
|
Definition
| Damage occurs as a result of the ionization of atoms which causes absorption |
|
|
Term
|
Definition
| Production of free radicals created by the interaction of radiation with water |
|
|
Term
| Law of Bergonié and Tribondeau |
|
Definition
| The radiosensitivity of cells is directly proportional to their reproductive activity and inversely proportional to their degree of differentiation. |
|
|
Term
| Relative biologic effectiveness |
|
Definition
| is the ratio of the dose of reference radiation to the dose of radiation of the type in question that is necessary to produce the same biologic reaction |
|
|
Term
| what are the most radiosensitive cells? |
|
Definition
| Lymphocytes because when they are damaged the body loses its natural ability to combat infection and becomes more susceptible to bacterial and viral antigens. |
|
|
