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).
Tear
A drop of the salty secretion of the lacrimal glands which serves to moisten the conjunctiva and cornea
Read the definitionRandom terms
Show more- FBLN5 The gene encoding the protein known as fibulin 5. See: Fibulin 5
- Pneumosilicosis See: Silicosis
- Metallomembrane endopeptidase (MME) A molecule that is also known as CALLA (common acute lymphocytic leukemia antigen), a cell surface…
- Tonometry Tonometry: A standard eye test that determines the fluid pressure inside the eye. Increased pressure is a…
- Singultus A rarely used medical word for an ordinary hiccup. A hiccough is an extraordinary type of breathing movement…
- Fear of drinking alcohol An abnormal and persistent fear of drinking alcohol. Sufferers of this fear experience undue anxiety about…
- Reuptake The reabsorption of a secreted substance by the cell that originally produced and secreted it. The process of…
- Gallbladder A pear-shaped organ just below the liver that stores the bile secreted by the liver. During a fatty meal, the…
- Mercaptopurine A drug that acts as an antimetabolite, interfering with the metabolism of purine bases and inhibiting the…
- Urethral meatus, female The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Cortex, adrenal The outer portion of the adrenal gland located on top of each kidney. The adrenal cortex produces steroid…
- Disorder, articulation See: Articulation disorder