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).
Hypnagogic
Concerning the drowsiness one commonly feels before sleep, the transitional state preceding sleep, and also the hallucinations that may occur at that time. The original French word 'hypnagogique' was derived from Greek roots 'hypno-'…
Read the definitionRandom terms
Show more- Adductor muscle Any muscle that pulls a body part toward the midline. For example, the adductor muscles of the legs pull the…
- Computerized axial tomography scan Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Transplant, hand and forearm Transplantation of the hand and the forearm from one person (a deceased donor) to another (the recipient). In…
- Heart test, EPS ElectroPhysiologic Study of the heart, a test of the electrical conduction system of the heart (the system…
- Gregarious parasite A parasite whose nutritional requirements permit several to many of them to live simultaneously in or on the…
- Pitting edema Observable swelling of body tissues due to fluid accumulation that may be demonstrated by applying pressure…
- Deafness and Communication Disorders, Institute Institute on (NIDCD): One of the US National Institutes of Health. The mission of the National Institute on…
- Exacerbation A worsening. In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and…
- Adult T-cell leukemia Abbreviated ATL. A malignancy of mature T lymphocytes (T cells) with its onset in adulthood caused by…
- SGOT Serum glutamic oxaloacetic transaminase, an enzyme that is normally present in liver and heart cells. SGOT is…
- McClintock See: McClintock, Barbara
- Miscarriage, multiple More than one miscarriage for a woman. In multiple miscarriages, there is about a 5 percent chance that one…