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).
Heptad repeat
A type of tandem repeat sequence in which a group of seven aminoacids occurs many times in a protein sequence. Heptad repeats are characteristic of certain proteins such as the intermediate filament proteins
Read the definitionRandom terms
Show more- Adenomatous polyposis coli See: APC (meaning 3)
- Episclera A thin membrane that covers the sclera (the white of the eye). 'Epi-' is a prefix from the Greek that means…
- Myeloid leukemia, acute Myeloid leukemia, acute: A quickly progressive malignant disease in which there are too many immature…
- Bacillophobia An abnormal and persistent fear of bacilli (bacteria). A phobia is an unreasonable sort of fear that can…
- Orchitis Inflammation of the testis (male sex organ). There are many causes of inflammation of the testis including…
- Immunization, Td Td is the vaccine given to children over six and adults as boosters for immunity to diphtheria and tetanus
- Coronary artery bypass graft Coronary artery bypass graft: Abbreviated CABG. A form of bypass surgery that can create new routes around…
- Adult-onset diabetes Type 2 diabetes. See also Diabetes, type 2
- Lability The state or quality of being labile: susceptible to change, error or instability. From the Latin labilis…
- Muromonab-CD3 A murine monoclonal antibody. See: OKT3
- Luxation Complete dislocation of a joint. A partial dislocation is a subluxation
- Tubular vision A centrally constricted field of vision that is like what you can see through a tube. Also called tunnel…