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).
Tranquilizer
In pharmacology, a drug that calms and relieves anxiety. The first tranquilizer, chlordiazepoxide hydrochloride (brand name: Librium) received FDA approval in 1960. Tranquillizers range in potency from mild to major, with increasing levels…
Read the definitionRandom terms
Show more- Movement, fetal Movement of the fetus in the womb. The first fetal movements felt by the mother during pregnancy (quickening)…
- Library, genomic A collection of DNA clones made from a set of randomly generated overlapping DNA fragments representing the…
- Cow genome See: Bovine genome
- Ergonomics The science of making things fit people instead of asking people to fit things. Ergonomics uses knowledge…
- Encopresis Encopresis: Inability to control the elimination of stool (fecal incontinence). Encopresis can have a variety…
- Somniloquy Sleep talking. Talking in one's sleep is considered a normal phenomenon that is of no medical or…
- Section, longitudinal A cut along the long axis of a structure
- Ear, cauliflower An acquired deformity of the external ear to which wrestlers and boxers are particularly vulnerable. The…
- Peripheral artery disease A form of peripheral vascular disease in which there is partial or total blockage of an artery, usually one…
- Nasogastric Referring to the passage from the nose to the stomach. A nasogastric tube is one that is passed through the…
- Farsightedness Farsightedness: Medically termed hyperopia; the ability to see distant objects more clearly than close…
- Melanoma, lentigo maligna One of the four clinical types of malignant melanoma and the slowest growing one. It typically begins as a…