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).
PDR
Physicians' Desk Reference (please see entry to Physicians' Desk Reference). PDR less frequently stands for 'postdelivery room'.
Read the definitionRandom terms
Show more- Tubercular See: Tuberculous
- Cox-1 inhibitor An agent that inhibits the action of the enzyme cox-1 (cyclooxygenase-1). The common anti-inflammatory drugs…
- Base excision repair A process of DNA repair in which an altered base is excised (removed) by a DNA glycosylase enzyme, followed…
- Sagittal sinus A crucial large vein that goes over the top of the skull from front to back and then splits to take blood…
- Beriberi A syndrome characterized by inflammation of multiple nerves (polyneuritis), heart disease (cardiopathy), and…
- Goiter, iodide Just as too little iodine can cause thyroid disease, so may prolonged intake of too much iodine also lead to…
- Homogentisate 1,2-dioxygenase The enzyme encoded in the HGD gene. Mutation of HGD causes the genetic disease alkaptonuria. Homogentisate…
- Fear of joy An abnormal, excessive, and persistent fear of experiencing joy or pleasure. Sufferers with this most…
- Disease, sickle cell A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Mucus A thick slippery fluid produced by the membranes lining certain organs such as the nose, mouth, throat, and…
- Nose picking Rhinotillexomania, one of the more obscure and exotic terms in medicine. 'Rhinotillexomania' has drawn…
- Vitamin K One of two naturally occurring fat-soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of…