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).
Basement membrane
A thin membrane upon which is posed a single layer of cells. The basement membrane is made up of proteins held together by type IV collagen. The epithelial cells are anchored with hemidesmosome to the basement membrane. The end result…
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Show more- Q.3h. On a prescription, every three hours
- Biofilm An aggregate of microbes with a distinct architecture. A biofilm is like a tiny city in which microbial…
- Oocyte A female germ cell in the process of development. The oocyte is produced in the ovary by an ancestral cell…
- Blood group, ABO The major human blood group system. The ABO type of a person depends upon the presence or absence of two…
- Myelitis, transverse A disease of the spinal cord in which there is demyelination (erosion of the myelin sheath that normally…
- Carbohydrate Mainly sugars and starches, together constituting one of the three principal types of nutrients used as…
- Parietal lobe Part of the brain, specifically the section of the cerebral hemisphere that lies beneath the parietal bone…
- Water blister A blister with clear watery contents that is not purulent (does not contain pus) and is not sanguineous (does…
- Insomnia, transient Insomnia that usually lasts less than a week and does not recur. If it recurs from time to time, the insomnia…
- Trisomy The presence of three copies of a chromosome rather than the normal two. The most common trisomies in…
- Juxtapyloric The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. Juxtapyloric thus means…
- Fear of dust An abnormal and persistent fear of dust. Sufferers of this fear experience anxiety even though they realize…