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).
Lobe
Part of an organ that appears to be separate in some way from the rest. A lobe may be demarcated from the rest of the organ by a fissure (crack), sulcus (groove), connective tissue or simply by its shape. For example, there are the…
Read the definitionRandom terms
Show more- Sir Charles Bell See: Bell, Charles
- Immunity, active Immunity, active: The production of antibodies against a specific agent by the immune system. Active immunity…
- Disease, Behcet's See: Behcet's syndrome
- Ectromelia virus A member of the poxvirus family which is a highly virulent natural pathogen of mice that causes mousepox, a…
- Lemierre syndrome A potentially lethal form of sore throat caused by the bacterium Fusobacterium necrophorum, a common…
- Hysterectomy, partial The uterus is surgically removed but the cervix is left is left in place. Also called a subtotal hysterectomy
- Peritoneal Having to do with the peritoneum
- Premenstrual Just before the start of menstruation. As in a premenstrual headache
- Phagedenic gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Case-fatality proportion The number of cases of a disease ending in death compared to the number of cases of the disease. Usually…
- Restenosis Renarrowing, as in restenosis of a coronary artery after angioplasty. From the Greek 'stenos' meaning narrow
- Membrane, epiretinal See: Macular pucker