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).
Apex
From the Latin meaning summit, the apex is the tip of a pyramidal or rounded structure, like the lung or the heart. The apex of the lung is indeed its tip, its rounded most superior portion. The apex of the heart is likewise its tip, but…
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Show more- Prescription drug A drug requiring a prescription, as opposed to an over-the-counter drug, which can be purchased without one…
- Zebra The term 'zebra' in medicine does not refer to the striped African animal but to an unlikely diagnostic…
- Spinal compression The act of exerting an abnormal amount of pressure on the spinal cord. Spinal compression may, for instance…
- Lumpectomy The surgical removal of a small tumor (a lump) which may or may not be benign (or malignant). Lumpectomy has…
- CBT Cognitive behavior therapy. See: Cognitive therapy
- Mammary gland One of the two half-moon-shaped glands on either side of the adult female chest, which with fatty tissue and…
- ADA (American Diabetes Association) The American Diabetes Association (ADA) provides the following introduction: 'The American Diabetes…
- Quinquagenarian Someone in his or her fifties. See also: Age by decade
- Anovular menstruation Menstruation without ovulation. The egg stays within the ovary and usually disintegrates but sometimes it is…
- Infant protein requirements Proteins contain different amino acids that are linked together. Proteins provide both calories and the amino…
- Fear of socializing Ial phobia): Excessive fear of embarrassment in social situations that is extremely intrusive and can have…
- Good Samaritan Someone who voluntarily helps someone else who is in distress. The term 'Good Samaritan' comes from the…