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).
FEV1
Forced Expiratory Volume in the first second. The volume of air that can be forced out in one second after taking a deep breath, an important measure of pulmonary function
Read the definitionRandom terms
Show more- Keratosis follicularis A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair…
- Vision therapy The use of special eye exercises to address eye defects, such as strabismus. Some vision therapists also…
- Intubate To put a tube into a hollow organ or passageway, often into the airway. The opposite of intubate is extubate.
- Mordant A substance capable of deepening the reaction to a stain (as in the pathology laboratory); incisive; burning…
- Beta-2 agonist See: Beta-agonist
- Somatic cell nuclear transfer The transfer of the nucleus from a somatic cell into an egg from which the nucleus has been removed
- Progressive supranuclear palsy Progressive supranuclear palsy: A neurologic disorder of unknown origin that gradually destroys cells in many…
- Primary amebic meningoencephalitis A rare, but fatal infection of the central nervous system caused by Naegleria fowleri, an ameba that inhabits…
- Tenia In medicine, tenia is a genus (group) of large tapeworms some of which are parasitic in humans. In anatomy…
- Body type A somewhat old-fashioned term used to classify the human shape into three primary types: ectomorphic…
- Freckle A flat circular spot on the skin about the size of the head of a nail that develops after repeated exposure…
- Earthquake supplies kit You and your family can cope best by preparing for disaster before it strikes. One way to prepare is by…