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).
Gene family
A group of genes related in structure and often in function. The genes belonging to a gene family are descended from an ancestral gene. For example, the hemoglobin genes of critical importance to red blood cells belong to one gene family…
Read the definitionRandom terms
Show more- Fetal vaccinia See Congenital vaccinia
- Erythropoietin test Erythropoietin test: A test of the hormone erythropoietin (EPO) in blood. An abnormal level of EPO may mean…
- Assisted suicide Suicide: The deliberate hastening of death by a terminally ill patient with assistance from a doctor, family…
- Lens, objective In a microscope, the objective lens is the lens nearest to the object being examined whereas the lens closest…
- URG Urogastrone. See: EGF
- Neuralgia, sphenopalatine A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- EPT Estrogen/progestin therapy
- Brown, Michael Stuart American physician, biochemist and molecular geneticist (1941-) who shared the Nobel Prize for research on…
- Interstitial cystitis (IC) Disease that involves inflammation or irritation of the bladder wall. This inflammation can lead to scarring…
- Membranous vitreous type Stickler syndrome Yndrome, type I. See: Stickler syndrome
- Breast infection Infection of breast tissue usually caused by bacteria, most often staph (Staphylococcus aureus), which are…
- Musical hallucination A form of auditory hallucination in which music is heard, often the same piece of music. In most cases the…