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).
Acrophobia
An abnormally excessive and persistent fear of heights. Sufferers experience severe anxiety even though they usually realize that, as a rule, heights pose no real threat to them. Derived from the Greek 'acron', height + 'phobos', fear.
Read the definitionRandom terms
Show more- Proposita A female through whom a family medically comes to light (is first ascertained). Also called the proband or…
- Mapping, gene The process of determining the relative positions of genes on a chromosome (or another piece of DNA) and the…
- Macular degeneration Macular degeneration: A disease that progressively destroys the macula, the central portion of the retina…
- Food-secure Referring to the situation when people do not need to live with hunger or fear starvation
- Agonist A drug that binds to a receptor of a cell and triggers a response by the cell. An agonist often mimics the…
- Palpebral gland See: Meibomian gland
- Cervicectomy Surgical removal of the cervix, the lower portion of the uterus that protrudes into the vagina. Cervicectomy…
- Cataplexy A debilitating medical condition in which a person suddenly feels weak and collapses at moments of strong…
- Unilateral Having, or relating to, one side. Unilateral is as opposed, for example, to bilateral (which means having, or…
- Syndrome, Pendred See Pendred syndrome
- Lyophilize To freeze-dry. The material is rapidly frozen and dehydrated under high vacuum. The process is termed…
- Cancer, lymphoma, non-Hodgkin A lymphoma is a cancer that develops in the lymphatic system. The most common symptom of non-Hodgkin…