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).
Transmission, perinatal
Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the period immediately before and after birth. The perinatal period is defined in diverse ways. Depending on the definition, it starts at…
Read the definitionRandom terms
Show more- Microscope, simple A microscope that has a single converging lens (or a combination of lenses that function optically as a…
- Anti-CCP See: Citrulline antibody
- Osteo- (prefix) Combining form meaning bone. From the Greek 'osteon', bone. Appears for instance in osteoarthritis…
- Jennerian method The production of immunity to a disease by inoculation of an attenuated form of the virus causing the…
- Pancreatic beta cell A type of cell in the pancreas that makes insulin. The pancreas is a fish-shaped organ that stretches across…
- Athetosis Involuntary writhing movements particularly of the arms and hands.
- Axillary hyperhidrosis Hyperhidrosis: Excessive sweating from the armpits. Excessive underarm perspiration tends to start in late…
- Cephalgia Headache. (One of those things we all know but that defies an easy definition.) Literally, headache is an…
- Post-traumatic stress disorder Stress disorder: A common anxiety disorder that develops after exposure to a terrifying event or ordeal in…
- Gyrus lingualis See: Lingual gyrus
- Subarachnoid Literally, beneath the arachnoid, the middle of three membranes that cover the central nervous system. In…
- Teething Teething is the emergence of the primary (baby) teeth through a baby or child's gums. Teething usually begins…