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).
Physiology
>Some physiological studies are concerned with processes that go on within cells such as phagocytosis, the process by which cells engulf and usually digest particles, bacteria and other microorganisms, and even harmful cells. The…
Read the definitionRandom terms
Show more- Intrafallopian A term meaning 'within the fallopian tube.' There are two fallopian tubes in female mammals, including human…
- Alveolar hydatid disease >By directly ingesting food contaminated with stool from foxes or coyotes. This might include grass, herbs…
- Pigmented villonodular synovitis A benign proliferative form of monoarthritis (arthritis in just one joint) that can occurs at any age but is…
- Saliva A watery secretion in the mouth produced by the salivary glands that aids in the digestion of food. Saliva…
- Lactate dehydrogenase (LDH) An enzyme that catalyzes the conversion of lactate to pyruvate. This is an important step in energy…
- Femoral head, avascular necrosis of the See Legg-Calve-Perthes disease
- Hypoxia A subnormal concentration of oxygen. By contrast with normoxia (normal oxygen) and anoxia (the absence or…
- Proteasome A protein degradation 'machine' within the cell that can digest a variety of proteins into short polypeptides…
- Nonagenarian Someone in his or her ninties, that is, between 90 and 99 years of age. See also: Age by decade
- Mitochondrial Referring to mitochondria. The mitochondria are normal structures called organelles in cells. They are…
- Myeloperoxidase deficiency Deficiency of the enzyme myeloperoxidase which may predispose to severe fungal infections. The enzyme is…
- Trichina spiralis Is a parasitic worm that lives in the intestines and causes a serious illness known as trichinosis. The eggs…