MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Split personality
Multiple personality disorder, a neurosis in which the personality becomes dissociated into two or more distinct parts each of which becomes dominant and controls behavior from time to time to the exclusion of the other parts
Read the definitionRandom terms
Show more- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…
- Infantile beriberi Disease in infants due to deficiency of thiamine. This disease is well-known in undeveloped countries among…
- Cancer, adult primary liver A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Wasting 1. Gradual loss (for example, of weight), deterioration, emaciation. As in a wasting disease. 2. Excessive…
- Test, Pap A screening test for cervical cancer based on the examination under the microscope of cells collected from…
- Allopathic medicine The system of medical practice which treats disease by the use of remedies which produce effects different…
- Glutamine An amino acid, one of the 20 building blocks of protein. Glutamine is present in plant and animal proteins…
- Tobacco smoke, environmental Abbreviated ETS. See: ETS.
- Baseline 1. Information gathered at the beginning of a study from which variations found in the study are measured.2…
- Smallpox vaccination in eczema See Eczema vaccinatum
- Acellular vaccine A vaccine that may contain cellular material but does not contain complete cells
- Cell fusion The melding of two or more cells into one cell called a heterokaryon. A heterokaryon may reproduce itself for…