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).
Trimester
The nine months of pregnancy is traditionally divided into three trimesters: distinct periods of roughly three months in which different phases of fetal development take place. The first trimester is a time of basic cell differentiation…
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Show more- Scoliosis, nonstructural A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- Diabesity Diabetes caused by overweight or obesity. From diabetes + obesity. Synonymous with the usual form of type 2…
- Disease, acute respiratory A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- ShRNA Short hairpin RNA. A short sequence of RNA which makes a tight hairpin turn and can be used to silence gene…
- Lichtenberg figures A fern-leaf pattern of reddish, painless marks on the skin that are a result of a skin reaction to a…
- Rheumatoid arthritis Rheumatoid arthritis: An autoimmune disease which causes chronic inflammation of the joints, the tissue…
- Lead poisoning Lead poisoning: An environmental hazard capable of causing brain damage. In the US lead poisoning is formally…
- Fear of vomiting An abnormal and persistent fear of vomiting. Sufferers of this fear experience undue anxiety even though they…
- Meniere disease Meniere disease: A condition with recurrent vertigo accompanied by ringing in the ears (tinnitus) and…
- OCP Obsessive-compulsive personality disorder.
- Short-term memory A system for temporarily storing and managing information required to carry out complex cognitive tasks such…
- Launois-Bensaude syndrome A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…