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).
Cynophobia
An abnormal and persistent fear of dogs. Sufferers from cynophobia experience anxiety even though they realize that most dogs pose no threat. To avoid dogs, they may barricade yards or refuse to travel except in an enclosed vehicle…
Read the definitionRandom terms
Show more- Chronic obstructive lung disease (COLD) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Glucocerebrosidase deficiency Causes type 1 Gaucher disease, a progressive genetic disease due to an enzyme defect. The enzyme…
- Hepatico- A combining form used before a consonant to indicate a relationship to a hepatic duct or the liver. From the…
- Mutation, hereditary Mutation, hereditary: A heritable change in the DNA of a gene or chromosome in a cell destined to become an…
- Metaphase (cell cycle) The stage in the cell cycle (the sequence of events in the life of a cell) when a chromosome is most highly…
- Ulcerative colitis Ulcerative colitis: A relatively common disease that causes inflammation of the large intestine (the colon)…
- Contraceptive, implantable progestin Implantable progestin in the form of Norplant was approved by the U.S. Food and Drug Administration (FDA) for…
- Darier disease A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair…
- Microduplication The gain of a tiny piece of a chromosome, a piece so small its presence is not apparent on ordinary…
- Preemie Short slang for a premature baby. A preterm infant. Also spelled premie.
- Code, emergency While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Interleukin-4 A protein that stimulates the immune system to develop mast cells, resting T-cells, and activated B-cells…