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).
Grand mal
A form of epilepsy characterized by tonic-clonic seizures. involving two phases -- the tonic phase in which the body becomes rigid, and clonic phase in which there is uncontrolled jerking. Tonic-clonic seizures may or may not be preceded…
Read the definitionRandom terms
Show more- Suicidal Pertaining to suicide. the taking of ones own life. As in a suicidal gesture, suicidal thought, or suicidal…
- Ambiguous genitalia Genitalia that are neither typically female nor typically male. Also known as intersexual genitalia. Girls…
- Cancer, brain Cancer of the central information processing center of the body. Tumors in the brain can be malignant or…
- CTL Cytotoxic T-lymphocyte
- Twilight sleep Sleep: A term applied to the combination of analgesia (pain relief) and amnesia (loss of memory) produced by…
- Colitis, spastic A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Hyperbilirubinemia type I Better known as Gilbert's disease, a common but harmless genetic condition in which a liver enzyme essential…
- Syndrome, tooth and nail A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Iridology The practice of diagnosing disease by examining the iris of the eye. Although some diseases do affect the…
- Binswanger disease A form of dementia with blood vessel abnormalities in the deep white-matter of the brain causing loss of…
- CD4 count, absolute See: Absolute CD4 count
- DES Diethylstilbestrol, the earliest synthetic (man-made) form of a hormone in the estrogen class. DES was once…