MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Formalin
A 37% aqueous (water) solution of formaldehyde, a pungent gas, with the chemical formula HCHO, used as an antiseptic, disinfectant, and especially today as a fixative for histology (the study of tissues under the microscope)
Read the definitionRandom terms
Show more- Clitorectomy A surgical procedure in which all or part of the clitoris and sometimes also the labia are removed…
- Pneumo- Prefix pertaining to breathing, respiration, the lungs, pneumonia, or air
- SPECT An acronym that stands for Single Photon Emission Computed Tomography, a nuclear medicine procedure in which…
- Magic bullet Or, sometimes, silver bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term…
- His Histidine. See also: Amino acid symbols
- M. leprae Mycobacterium leprae
- Ophthalmologist An eye doctor. A physician practicing ophthalmology. An ophthalmologist is an M.D.
- Femicide The killing of women. For example, AIDS in Africa has been termed 'mass femicide.' Femicide is in contrast to…
- Perrault syndrome An extraordinary genetic syndrome that is inherited in an autosomal recessive manner and affects both males…
- Prosthesis, ocular See: Ocular prosthesis
- Premature baby A baby born before 37 weeks of gestation have passed. Historically, the definition of prematurity was 2500…
- Radiation, food See: Food irradiation