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).
Amino acid, nonessential
An amino acid that can be made by humans and so is not essential to the human diet. There are 11 nonessential amino acids: alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and…
Read the definitionRandom terms
Show more- Genital Pertaining to the external and internal organs of reproduction. (Not to be confused with genetic.)
- Morton syndrome See: Morton's syndrome
- Computer addiction A disorder in which the individual turns to the Internet or plays computer games in an attempt to change…
- Yellow fever vaccination A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- Sweating, gustatory Sweating on the forehead, face, scalp, and neck occurring soon after ingesting food. Some gustatory sweating…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Anterior cruciate injury A knee injury involving the anterior cruciate ligament (ACL). The ACL runs diagonally across the front of the…
- Baker's yeast Saccharomyces cerevisiae
- Drug-resistant tuberculosis See: Tuberculosis, drug-resistant
- Fourth stage of labor The hour or two after delivery when the tone of the uterus is established and the uterus contracts down again…
- Generalized anxiety disorder Abbreviated GAD. A condition characterized by 6 months or more of chronic, exaggerated worry and tension that…
- Blush A redness of the skin, typically over the cheeks or neck. A blush is usually temporary and brought on by…