Half
Half (hăf, häf)
Half (pronounced: /hæf/ or /hɑːf/) is a term used in various medical contexts to denote a 50% proportion or part of a whole. The term originates from the Old English 'healf', which means 'side, part'.
Medical Usage
In medical terminology, 'half' is often used to describe the dosage of medication, the proportion of a patient's body affected by a condition, or the degree of genetic relation between individuals.
Half Dosage
A Half Dosage refers to the administration of 50% of the standard or recommended dose of a medication. This is often done in cases where the full dosage may be too potent or risky for the patient, or when the patient is being weaned off the medication.
Half Body Irradiation
Half Body Irradiation is a type of radiation therapy where only half of the patient's body is exposed to radiation. This is typically done in cases where the cancer is localized to one half of the body.
Half Sibling
A Half Sibling is a sibling who shares only one biological parent with another individual. In medical genetics, half siblings are important in understanding the inheritance of genetic traits and diseases.
Related Terms
- Quarter - Refers to 25% of a whole or one part in four.
- Whole - Refers to the entirety or 100% of something.
- Dosage - The size or frequency of a dose of a medicine or drug.
- Radiation Therapy - Therapy using ionizing radiation, generally as part of cancer treatment to control or kill malignant cells.
External links
- Medical encyclopedia article on Half
- Wikipedia's article - Half
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