MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Myoclonic seizure
A seizure characterized by jerking (myoclonic) movements of a muscle or muscle group, without loss of consciousness
Read the definitionRandom terms
Show more- Palsy, Bell's Paralysis of the facial nerve, the nerve that supplies the facial muscles on one side of the face. The cause…
- Elbow subluxation See: Nursemaid's elbow
- Reflux disease, gastroesophageal (GERD) Reflux disease, gastroesophageal (GERD): The stomach contents regurgitate and back up (reflux) into the…
- Assisted suicide Suicide: The deliberate hastening of death by a terminally ill patient with assistance from a doctor, family…
- Cell, T-4 A type of T cell that has CD4 markers on its surface and participates in the immune response by recognizing…
- Rickettsia A member of a group of microorganisms that (like viruses) require other living cells for growth but (like…
- Masklike face An expressionless face with little or no sense of animation, a face more like a mask than a real face. A…
- Remission Disappearance of the signs and symptoms of cancer or other disease. When this happens, the disease is said to…
- Helper cell A type of T cell that participates in the immune response by recognizing foreign antigens and secreting…
- National Institute of General Medical Sciences MS): One of the National Institutes of Health in the U.S., NIGMS's mission is to 'support basic biomedical…
- Familial cancer Cancer or a predisposition (tendency) to it that runs in families.
- Mycoplasma The mycoplasma are a very large group of bacteria. There are more than 70 types. Mycoplasma hominis and…