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).
Acid-base balance
Acid-base balance refers to the mechanisms the body uses to keep its fluids close to neutral pH (that is, neither basic nor acidic) so that the body can function normally
Read the definitionRandom terms
Show more- Extubate To remove a tube from a hollow organ or passageway, often from the airway. The opposite of extubate is…
- Microduplication 22q11.2 syndrome A syndrome due to duplication of a tiny part of chromosome band 22q11.2. Features of the syndrome include the…
- Helicobacter pylori Helicobacter pylori: Bacteria that cause stomach inflammation (gastritis) and ulcers in the stomach. This…
- Erythrophobia An abnormal and persistent fear of blushing. Sufferers of erythrophobia experience undue anxiety even though…
- Pill In pharmacy, a medicinal substance in a small round or oval mass meant to be swallowed. Pills often contain a…
- Blood in the eye Medically known as a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first…
- Phylogenetics A physician specializing in physical medicine and rehabilitation. Physiatrists specialize in restoring…
- Seventh cranial nerve The seventh cranial nerve is the facial nerve, a mixed nerve that has fibers both going out and coming in…
- Syndrome, Zollinger-Ellison A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor…
- Reverse transcriptase-polymerase chain reaction Abbreviated RT-PCR. See: RT-PCR
- Bee genome See: Honey bee genome
- Trochlear nerve The trochlear nerve controls the superior oblique muscle of the eye, one of the extraocular muscles, the…