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).
Alopecia universalis
Absence of all of the hair, not only on the scalp, but also on the entire body. Affected individuals are born without eyebrows and eyelashes and never develop axillary or pubic hair. There are hair follicles but they are devoid of hair…
Read the definitionRandom terms
Show more- Palsy, laryngeal nerve Paralysis of the larynx (voice box) caused by damage to the recurrent laryngeal nerve or its parent nerve…
- Semen DNA analysis Surface EMG.
- Celiac disease Celiac disease: A disorder resulting from an immune reaction to gluten, a protein found in wheat and related…
- Anemia, Mediterranean Better known today as thalassemia (or as beta thalassemia or thalassemia major). The clinical picture of this…
- In-the-canal hearing aid A hearing instrument custom designed to fit in the ear canal. It protrudes slightly into the outer ear and so…
- Extracorporeal membrane oxygenation (ECMO) A life support system that circulates the blood through an oxygenating system. ECMO is like a…
- Disease, His-Werner Named for the Swiss physician Wilhelm His, Jr. (who also described the bundle of His in the heart) and the…
- Omphalo- A birth defect in which part of the intestine, covered only by a thin transparent membrane, protrudes outside…
- Ban zhi lian See: Scutellaria barbata
- Essential 1. Something that cannot be done without.2. Required in the diet, because the body cannot make it. As in an…
- Thromboxane A2 The active type of thromboxane. Abbreviated TXA2
- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…