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).
Rectal (noun)
An informal term for a digital rectal exam (DRE) done to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a lubricated, gloved finger into the rectum and feels for anything that is not normal. The…
Read the definitionRandom terms
Show more- Valine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, valine is required…
- Infant carbohydrate intake Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together…
- YAG laser surgery The use of a YAG (yttrium-aluminum-garnet) laser to do surgery. One use for a YAG laser in surgery is to…
- COLD (chronic obstructive lung disease) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Flatfeet A condition of the feet in which the arch of the instep is flattened and the entire sole touches the ground…
- Heritability The degree to which something is inherited.
- Estrogen, designer See: Designer estrogen
- Q_h (on prescription) If a medicine is to be taken every so- many hours, it is written 'q_h'; the 'q' standing for the Latin word…
- Nervous system, autonomic Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic…
- Clavicle The bone extending from the breastbone (sternum) at the base of the front of the neck to the shoulder
- Hyperthermia, malignant A series of potentially fatal problems that can occur during surgery, malignant hyperthermia is caused by a…
- Saccade Abrupt rapid small movements of both eyes, such as when the eyes scan a line of print. The saccades can be…