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).
Disease, hyaline membrane
Respiratory disease of the newborn, especially the premature infant, in which a membrane composed of proteins and dead cells lines the alveoli (the tiny air sacs in the lung), making gas exchange difficult or impossible. The word 'hyaline'…
Read the definitionRandom terms
Show more- Pharmacopeia Also spelled pharmacopoeia, an official authoritative listing of drugs. Aspirin has, for example, long been…
- Monochromat A person with one of the many forms of colorblindness
- Tok- From the Greek word 'tokos' meaning childbirth, we have toc-, toco-, tok-, and toko- as combining forms, all…
- Pauling See: Pauling, Linus
- Atresia, anal Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus…
- CCD (cleidocranial dysostosis) >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Lung reduction surgery A surgical treatment for patients with advanced emphysema in which 20-35% of the emphysematous lung is…
- STDs in men See sexually transmitted diseases in men.
- Smoke, environmental tobacco Abbreviated ETS. See: ETS.
- Uniparous 1) Having produced only one offspring. Also called primiparous. 2) Producing only one offspring at a time…
- PA (posteroanterior) In anatomy, PA stands for posteroanterior: from back-to-front. For example, a PA X-ray of the chest is taken…
- Papillomatosis A disorder with numerous papillomas wart growths). For example, laryngeal papillomatosis is the presence of…