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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Microduplication 22q11.2 syndrome
A syndrome due to duplication of a tiny part of chromosome band 22q11.2. Features of the syndrome include the appearance of widely spaced eyes and superior placement of eyebrows; downslanting palpebral fissures (eye slits); mild…
Read the definitionRandom terms
Show more- Spermatogonial stem cell See: Sperm stem cell
- Mean cell volume A standard part of the complete blood count, the mean cell volume (MCV) is the average volume of a red blood…
- Hyperhidrosis Hyperhidrosis: Excessive sweating. Hidrosis meaning sweating, so hyperhidrosis is too much sweating.
- Anatomic orientation terms In anatomy, certain terms are used to denote orientation. For example, a structure may be horizontal, as…
- Basic Local Alignment Search Tool Abbreviated BLAST. A computer program that identifies homologous genes in different organisms (such as worms…
- James Watson See: Watson, James
- Dura The outermost, toughest, and most fibrous of the three membranes (meninges) covering the brain and the spinal…
- Neuroscience The study of the brain and nervous system, including molecular neuroscience, cellular neuroscience, cognitive…
- Vallecula An anatomic term for a crevice, furrow or depression. There are a variety of valleculae including one in the…
- Amyloidosis, primary Amyloidosis, primary: A disorder of plasma cells (special white blood cells that produce antibodies), this is…
- Rochalimaea quintana Now preferentially referred to as Bartonella quintana, this is an unusual rickettsial organism that can…
- Titre Variant spelling of 'titer' -- the degree of dilution of a substance such as an antibody, reflecting the…