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).
Megakaryocyte
A giant cell in the bone marrow that is the ancestor of blood platelets.
Read the definitionRandom terms
Show more- Interval malignancy In mammography, a malignancy that becomes evident during the period between annual screening mammograms. The…
- A- Prefix very much employed in medicine and all of the health sciences, indicating 'not, without, -less' as…
- Iliac Pertaining to the ilium.
- Pandiculation The act of stretching and yawning. (If you are in a public place, you might consider demonstrating the…
- Deafness with goiter Deafness with goiter: See Pendred syndrome
- Epilepsy, petit mal See: Petit mal
- Cat eye syndrome A constitutional chromosome abnormality (one that is present at or before birth) with multiple malformations…
- Rate, basal metabolic A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated…
- Suture See: SV40.
- Lightheadedness A feeling you are 'going to faint.' Lightheadedness is medically distinct from dizziness, unsteadiness, and…
- Colposcopy Colposcopy: A procedure in which a gynecologist uses a lighted magnifying instrument which is called a…
- Posterior cruciate ligament (PCL) The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…