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).
Expressivity
The consistency of a genetic disease. For example, Marfan disease shows variable expressivity. Some persons with Marfan's merely have long fingers and toes while others have the full-blown disease with dislocation of the lens and…
Read the definitionRandom terms
Show more- Microcystic corneal dystrophy A disorder in which the cornea (the normally clear front window of the eye) shows dots (or microcysts)…
- Bone, thigh The thigh bone in anatomy is called the 'femur.' Whichever term -- thigh bone or femur -- you care to use, it…
- Deafness with goiter Deafness with goiter: See Pendred syndrome
- PARK9 Familial Parkinson disease type 9
- Hypercarbia More than the normal level of carbon dioxide in the blood. Hypercarbia is the opposite of hypocarbia
- Atrial septum The wall between the two upper chambers (the right and left atrium) of the heart
- Sickle cell trait The condition in which a person has one copy of the gene for sickle cell (and is called a sickle…
- QHC Qualified health claim
- Angiogenesis The process of developing new blood vessels. Angiogenesis is important in the normal development of the…
- Parathyrin A small tumor of the parathyroid gland and the most common disorder of the gland. Parathyroid adenomas are…
- Syndrome, Lennox See: Lennox syndrome
- Myelogenous Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and…