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).
Ala
Alanine. See also: Amino acid symbols
Read the definitionRandom terms
Show more- Dermicidin A potent anti-infective agent that is a natural component of sweat. The first antimicrobial agent found that…
- Amyloidosis, secondary Amyloidosis, secondary : One of a group of diseases (called amyloidosis) in which protein deposits (amyloid)…
- Biopsy, excisional See: Excisional biopsy
- Human gene therapy Insertion of normal DNA directly into cells to correct a genetic defect. The treatment of disease by…
- GM2-gangliosidosis, B variant This disorder known as Tay-Sachs disease (TSD) is concisely defined by OMIM (Online Mendelian Inheritance in…
- Epidemic typhus See: Typhus, epidemic
- Nerve, facial The facial nerve is the seventh cranial nerve. It is a mixed nerve that has fibers both going out and coming…
- Polymorphic Pertaining to a polymorphism, a variation in the DNA that is too common to be due merely to new mutation. A…
- Alpha blocker A drug that blocks receptors in arteries and smooth muscle. This action relaxes the blood vessels and leads…
- Frey syndrome Sweating on one side of the forehead, face, scalp, and neck occurring soon after ingesting food as a result…
- Vitamin B12-responsive methylmalonicaciduria An inherited metabolic (biochemical) disease that, unless effectively treated, causes young children to…
- BLAST Abbreviation for Basic Local Alignment Search Tool, a computer program that identifies homologous genes in…