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).
Acid, amino
One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function of that protein are determined by the genetic code in the DNA. Amino acids are molecules that (in technical terms) contain a basic…
Read the definitionRandom terms
Show more- URI Commonly used abbreviation for Upper Respiratory Infection, an infection in the respiratory tract shy of the…
- Mild cognitive impairment Abbreviated MCI. A brain disorder in which thinking abilities are mildly impaired. Individuals with mild…
- Symptom Any subjective evidence of disease. Anxiety, lower back pain, and fatigue are all symptoms. They are…
- Peak expiratory flow Abbreviated PEF. The maximum airflow during a forced expiration beginning with the lungs fully inflated. The…
- Participant 1. In a clinical trial, someone who takes part in it. A participant may or may not have a disease. The term…
- Diabetes and Digestive and Kidney Diseases (NIDDK) Stitute of (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- Veisalgia The sober medical term for a hangover. 'There is no consensus definition of veisalgia ('alcohol…
- Micro-RNA A tiny piece of RNA, about 21 to 23 bases in length, that binds to matching pieces of messenger RNA to make…
- Drug, antihypertensive As the name clearly implies, a drug aimed at reducing high blood pressure (hypertension)
- Myelofibrosis Fibrosis (spontaneous scarring) of the bone marrow. This can be associated with a variety of diseases…
- Lymphocytic colitis Lymphocytic colitis> A type of inflammatory disease of the large intestine (colon). The name derives from the…
- Hecht's pneumonia Pneumonia: Also known as giant cell pneumonia, this is a deadly but fortunately rare complication of measles…