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.
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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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Long arm of a chromosome
The long arm of a chromosome is termed the q arm. All human chromosomes have 2 arms, the p (short) arm and the q (long) arm. They are separated from each other only by a primary constriction, the centromere, the point at which the…
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Show more- Esophageal cancer Esophageal cancer: A malignant tumor of the esophagus. The risk of cancer of the esophagus is increased by…
- Protein requirements, infant Proteins contain different amino acids that are linked together. Proteins provide both calories and the amino…
- Eyelids, congenital ptosis of the Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Cushing syndrome Cushing syndrome: The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing…
- Dissociation In psychology and psychiatry, a perceived detachment of the mind from the emotional state or even from the…
- Functional magnetic resonance imaging The use of magnetic resonance imaging (MRI) to learn which regions of the brain are active in a specific…
- Duchenne-Erb paralysis See: Erb palsy
- Parentalism A parent's attitude of dominance over one or more children. For example, a parent stating 'I'm the boss…
- Tropical cyclone A regionally specific name for a strong tropical cyclone in the Southwest Indian Ocean. Other terms for…
- Hemophagocytic lymphohistiocytosis A rare, cancer-like disorder in which both histiocytes and lymphocytes start to proliferate and attack body…
- Pancreas, artificial A machine that constantly measures glucose (sugar) in the blood and, in response to an elevated level of…
- Objective In a microscope, the objective (also called the objective lens) is the lens nearest to the object being…