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).
Brainstem
The lowest part of the brain which merges with the spinal cord and provides the major route by which the upper realms of the brain send information to, and receives information from, the spinal cord and peripheral nerves. The brainstem…
Read the definitionRandom terms
Show more- Emotional child abuse Child abuse: Emotional child abuse is the third most frequently reported form of child abuse (after child…
- Pia mater One of the meninges, the pia mater is the delicate innermost membrane enveloping the brain and spinal cord…
- Zygote The cell formed by the union of a male sex cell (a sperm) and a female sex cell (an ovum). The zygote…
- Personality disorder A disorder characterized by the chronic use of mechanisms of coping in an inappropriate, stereotyped, and…
- Disease, Hirschsprung A congenital abnormality (birth defect) of the bowel in which there is absence of the ganglia (nerves) in the…
- Ringworm (tinea) Ringworm (tinea): Ringworm is a fungal infection of the skin previously thought to be due to a parasite…
- Syndrome, Reiter A chronic form of inflammatory arthritis wherein the following three conditions are combined: (1) arthritis…
- Teratogen, Ecstasy as Ecstasy is an illicit drug considered a recreational or party drug. It acts as both a stimulant and a…
- Beals See: Beals, Rodney K.
- Cholangiogram, intravenous See: Intravenous cholangiogram
- Th3 A distinct type of T-helper cell. See: T-helper cell
- Colography, computed tomography Virtual colonoscopy