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).
Aphrasia
The inability to speak or understand phrases
Read the definitionRandom terms
Show more- Gestation period The period of development of the young from the time of conception until birth. For humans the full gestation…
- Stomach cancer Stomach cancer: Cancer of the stomach, the main organ that holds food for digestion. Worldwide, stomach…
- Migraine aura Sensory phenomena that may occur before a migraine. Visual auras may include flashing lights, geometric…
- Paralytic ileus Paralysis of the intestine. To be termed 'paralytic ileus,' the intestinal paralysis need not be complete…
- Syndrome, keratitis-ichthyosis-deafness See Keratitis-ichthyosis-deafness syndrome
- Transplantation, cross-species A new technique in which stem cells are obtained from a patient's blood and used in bone marrow…
- Asthma, thermally induced Asthma, thermally induced asthma: Asthma that is 'triggered' by vigorous physical activity. Exercise-induced…
- Disease, Jakob's Better known as Creutzfeldt-Jakob disease (CJD), a dementing disease of the brain. It is believed due to an…
- JCML Juvenile chronic myelogenous leukemia. See: Juvenile myelomonocytic leukemia
- Hemophilia A Classic hemophilia, due to profound deficiency of factor VIII, a blood factor necessary to normal clotting…
- Virus, human lymphotropic, type III Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Sac, dural See: Dural sac