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).
Regurgitation
A backward flowing. For example, of food. Or the sloshing of blood back into the heart (or between chambers of the heart) when a heart valve is incompetent and does not close effectively
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Show more- Dysplasia, cleidocranial >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Juvenile polyposis coli See: Juvenile polyposis
- Adenopathy Large or 'swollen' lymph nodes. Synonymous with lymphadenopathy
- AFP (alpha-fetoprotein) AFP is a plasma protein that is normally produced by the fetus. It serves as the basis for some valuable…
- Secondary atelectasis Partial or total collapse of a lung or a segment of a lung that was once expanded, as may happen after chest…
- Rehydrate To restore lost water to the body tissues and fluids. Prompt rehydration is imperative whenever dehydration…
- MASA syndrome MASA stands for mental retardation, aphasia, shuffling gait, and adducted thumbs. Features of the syndrome…
- Quasidominant Pattern of inheritance that seems due to a dominant trait but is in fact due to the mating of a person who…
- Dry skin Abnormally dry skin. Can be caused by a dry climate, winter weather, deficiency of vitamin A, systemic…
- Massage The manipulation of muscle and connective tissue to enhance the function of those tissues and promote…
- Fever, five-day Fever, five-day: Also called trench fever, this is a disease borne by body lice that was first recognized in…
- Weighing, underwater See: Underwater weighing