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).
Fear of going to bed
An abnormal and persistent fear of going to bed. Sufferers of this fear experience anxiety even though they realize that going to bed normally should not threaten their well-being. However, because they worry about having nightmares or…
Read the definitionRandom terms
Show more- Pediatric urine infection See: Urinary tract infection in children
- Amyloidosis, hereditary Amyloidosis, hereditary: A familial (inherited) disorder in which protein deposits (amyloid) accumulate in…
- Premature contraction of the heart When a single heartbeat occurs earlier than normal. This phenomenon can be within normal limits or represent…
- Frame, reading See: Reading frame
- Norplant contraceptive Implantable progestin in the form of Norplant was approved by the U.S. Food and Drug Administration (FDA) for…
- Anaplastology The art and science of restoring a malformed or absent part of the human body through artificial means. An…
- Fear of vomiting An abnormal and persistent fear of vomiting. Sufferers of this fear experience undue anxiety even though they…
- Choking in children The compromise of a child's normal breathing by obstructing or compressing the trachea, a major health hazard…
- Electrophysiologic study of the heart A test of the electrical conduction system of the heart (the system that generates the heart beat)…
- Menorrhagia Excessive uterine bleeding occurring at the expected intervals of the menstrual periods. The bleeding from…
- Deviation of the nasal septum Failure of the nasal septum to be in the center where it is supposed to be. (The nasal septum is the wall…
- Adam A street name for 3-4 methylenedioxymethamphetamine. See: Ecstasy