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).
Hypoventilation
The state in which a reduced amount of air enters the alveoli in the lungs, resulting in decreased levels of oxygen and increased levels of carbon dioxide in the blood. Hypoventilation can be due to breathing that is too shallow (hypopnea)…
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Show more- Hepatitis Inflammation of the liver caused by the hepatitis A virus (HAV). HAV is usually transmitted from person to…
- Feedback Many biologic processes are controlled by feedback, just as the temperature in a home from a furnace is…
- Tick-borne rickettsioses of the eastern hemisphere There are 3 known diseases caused by infection with rickettsial agents. They are North Asian tick-borne…
- Unit, international (IU) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Cellulite Cellulite: Popular term for deposits of fat that have a cottage cheese-like or puckered texture. Medically…
- Diffuse degeneration of gray matter with cirrhosis Ic cirrhosis, Alpers: A progressive disease of the nervous system characterized by spasticity (tightness)…
- Agenesis Lack of development of something. For example, agenesis of a toe means that toe failed to form.
- Tongue cancer Cancer: Malignancy of the tongue; squamous cell carcinoma of the tongue. Risk factors include smoking…
- Helper cell A type of T cell that participates in the immune response by recognizing foreign antigens and secreting…
- Bromobenzylcyanide A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Complication In medicine, an additional problem that arises following a procedure, treatment or illness and is secondary…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)