MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Nevus
1. Any birthmark.2. A benign pigmented spot on the skin such as a mole (a cluster of melanocytes and supportive tissue that appears as a tan, brown, or flesh-colored spot on the skin).3. A benign blood vessel tumor on the skin such as a…
Read the definitionRandom terms
Show more- Diaphragm (contraceptive) A barrier method of contraception that is available by prescription only and must be sized by a health…
- Dystrophia brevicollis congenita See: Klippel-Feil sequence
- Favism A condition characterized by hemolytic anemia (breakup of red blood cells) after eating fava beans (Vicia…
- Fenestration Literally, the making of a window -- fenestra in Latin (and fenetre in French) is a window -- fenestration…
- Donor lymphocyte infusion (DLI) A cancer treatment in which lymphocytes from a bone marrow donor are infused into the person who…
- Iodide goiter See Iodine excess
- Overbreathing See: Hyperventilation
- Streptococcus, group A A well-known strain (type) of streptococcus (strep) bacteria that can cause strep throat and common skin…
- Coarctation of the aorta A congenital constriction of the aorta, impeding the flow of blood below the level of the constriction and…
- Polyuria The excessive passage of urine (at least 2.5 liters per day for an adult) resulting in profuse urination and…
- CD8+ T cell See: Cytotoxic T-lymphocyte
- Palindromic Pertaining to a palindrome. A DNA sequence that reads the same in both directions is a palindromic sequence