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).
Circadian
Refers to events occurring within a 24-hour period, in the span of a full (24-hour) day, as in a circadian rhythm. Circadian rhythmicity is a fundamental property possessed by all organisms. These rhythms are driven by an internal…
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Show more- Calcimimetic A drug in a class of orally active, small molecules that decrease the secretion of parathyroid hormone (PTH)…
- Sinus headache A headache caused by pressure within the sinus cavities of the head, usually in connection with infection of…
- Lipodystrophy syndrome A disturbance of lipid (fat) metabolism that involves the partial or total absence of fat and often the…
- Sinus arrhythmia The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural…
- Polycystic kidney disease, adult See: Polycystic kidney disease, autosomal dominant
- Factor X A laboratory-made agent similar to a normally existing substance in the body that stimulates the production…
- Tick fever See: Rocky Mountain spotted fever
- Alopecia, traumatic Hair loss caused by injury to the scalp. Traumatic alopecia is usually caused by grooming methods that…
- Phytonutrient The active health-protecting Currently, the terms 'phytonutrient' and 'phytochemical' are being used…
- Temporary loss of consciousness A partial or complete loss of consciousness with interruption of awareness of oneself and ones surroundings…
- Auditory disease, central A condition in which there is an inability to differentiate, recognize or understand sounds while both the…
- Citrulline antibody Citrulline antibody: An antibody (an immune protein) directed against a circular peptide (a ring of amino…