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.
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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).
Allergy
Allergy: A misguided reaction to foreign substances by the immune system, the body system of defense against foreign invaders, particularly pathogens (the agents of infection). The allergic reaction is misguided in that these foreign…
Read the definitionRandom terms
Show more- Meal moth A moth that infests both stored grain and cereal products. The moth larvae cause damage in corn meal…
- Amenia Better known as amenorrhea, amenia is the absence or cessation of menstruation. Amenorrhea is conventionally…
- Humidifier fever Fever: A form of sick building syndrome that usually develops on Monday or the first workday of the week. The…
- Delivery, vertex In a vertex delivery, the top of the baby's head comes first. The vertex here refers to the top of the head…
- Disaster supplies kit Items stored in case of emergency, such as a prolonged power outage, earthquake, or flood. You and your…
- Babesiosis An illness caused by the parasite Babesia which is transmitted from animals to humans by ticks. In the US, it…
- Pimply Having pimples. Papuliferous and papilliferous are fancy words for what is simply pimply
- Zygomatic arch The part of the temporal bone of the skull that forms the prominence of the cheek. The zygomatic arch is also…
- Klumpke paralysis See: Klumpke palsy
- Cell therapy Treatment with cells. A technology that relies on replacing diseased or dysfunctional cells with healthy…
- Pimple A small papule or pustule. Pimples are sebaceous glands (oil glands) that are infected with bacteria, become…
- Buccal mucosa The inner lining of the cheeks and lips.