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).
Trismus
Inability to open the mouth fully. This may be due to spasm of the jaw muscles and be a symptom of tetanus (lockjaw). Or it may be due to abnormally short jaw muscles, as in the trismus-pseudocamptodactyly syndrome
Read the definitionRandom terms
Show more- Female genitalia The genital organs of the female. These are usually separated by convention into the external and internal…
- Human immunodeficiency virus Human immunodeficiency virus: HIV, the cause of AIDS. HIV has also been called the human lymphotropic virus…
- Craniopharyngioma A type of benign brain tumor that emerges develops from embryonic tissue that forms part of the pituitary…
- Rice rat A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…
- Microscope An optical instrument that augments the power of the eye to see small objects. The name microscope was coined…
- Houseboat carbon monoxide poisoning The invisible and potentially lethal danger of carbon monoxide on houseboats. Carbon monoxide poisoning is a…
- Sarcoma One of a group of tumors usually arising from connective tissue. Most sarcomas are malignant. Many types are…
- Antisense DNA DNA normally has two strands, i.e., the sense strand and the antisense strand. In double-stranded DNA, only…
- Continuous positive airway pressure See: CPAP.
- Human growth See: Normal growth
- Scarlet fever Also called scarlatina, a disease caused by infection with group A streptococcal bacteria that occurs in a…
- Von Willebrand disease Voyeurism is a disorder that involves achieving sexual arousal by observing an unsuspecting and…