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).
Choanal stenosis
Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. There are two choanae. The choanae must be open to permit…
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Show more- Founder effect The positive effect on gene frequency when a population (a colony) has only a small number of original…
- Polypectomy Removal of a polyp by surgery. In the case of polyps in the colon, polypectomy may be done by open abdominal…
- Parasympathetic nervous system A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and…
- Valsalva maneuver A maneuver in which a person tries to exhale forcibly with a closed glottis (the windpipe) so that no air…
- Migraine, classic Migraine with aura. Accounts for no more than most 20% of migraines. See Migraine
- Lancet See: Lancing device.
- Multiple sclerosis Multiple sclerosis: Abbreviated MS. A disease of the central nervous system (CNS) marked by numbness…
- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…
- Drug, anti-infective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- Sinus, ethmoid See: Ethmoid sinus
- Scrub 1. As a verb, to wash the hands and forearms very thoroughly, as before engaging in surgery. To scrub implies…
- Virus, human lymphotropic, type III Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…