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).
Mastectomy, modified radical
Removal of the breast tissue and the axillary lymph nodes, which are under the arms
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Show more- Disease, Lou Gehrig Amyotrophic lateral sclerosis (ALS), a classic motor neuron disease. Motor neuron diseases are progressive…
- Resident In medicine, a physician who has finished medical school and internship and is now receiving training in a…
- Henna A coloring made from the leaves of the Egyptian privet, Lawsonia inermis. Approved only for use as a hair…
- ADD (attention deficit disorder) Attention deficit disorder: An inability to control behavior due to difficulty in processing neural stimuli…
- Thimerosal A mercury-containing preservative used in some vaccines and other products since the 1930's. No harmful…
- Posture The carriage of the body as a whole, the attitude of the body, or the position of the limbs (the arms and…
- Oropharynx The area of the throat that is at the back of the mouth. The oropharynx is in contrast to the nasopharynx…
- Chromatids The daughter strands of a duplicated chromosome joined together by a centromere.
- Backbone The spine. A flexible row of bones stretching from the base of the skull to the tailbone
- LN2 Liquid nitrogen
- Dystrophica myotonia 2 See: Myotonic dystrophy type 2
- Reflex, patellar tendon See: Knee jerk