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).
Atonia, REM sleep
Sleep : A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to move for a few minutes, most often upon falling asleep or waking up. Commonly called sleep paralysis, the condition is due to an…
Read the definitionRandom terms
Show more- Skeletal Pertaining to the skeleton, the bones of the body which collectively provide the framework for the body
- Diaphragmatic pacing See: Diaphragm pacing
- Curettement Curettage
- Version 1. In obstetrics, the process of turning the fetus. A cephalic version brings the fetal head into the birth…
- Alkaloid, vinca See: Vinca alkaloid
- Complete androgen insensitivity syndrome A genetic disorder that makes XY fetuses insensitive (unresponsive) to androgens (male hormones). Instead…
- Morton's toe See: Morton's syndrome
- Reversal of organs, total This condition (medically called situs inversus totalis) involves complete transposition (right to left…
- Mycotoxin A toxin produced by a fungus. A mycotoxin may be formed when grains or some other products become moldy. From…
- Pinealoma An uncommon slow-growing tumor of the pineal gland. Symptoms include hydrocephalus, paralysis of upward gaze…
- Xenobiotic Natural substances that are foreign to the body
- Systemic Affecting the entire body. A systemic disease such as diabetes can affect the whole body. Systemic…