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).
Vessel, afferent
A vessel that carries blood toward the heart. A vein or venule
Read the definitionRandom terms
Show more- Antisense drug A medication containing part of the non-coding strand of messenger RNA (mRNA), a key molecule involved in the…
- Denture An artificial set of teeth that can be removed
- Valley fever A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Fornix vaginae See: Vaginal fornix
- Adenoids Masses of lymphoid tissue in the upper part of throat behind the nose.
- Operation, Glenn See: Glenn shunt
- Basement membrane A thin membrane upon which is posed a single layer of cells. The basement membrane is made up of proteins…
- Renal cell carcinoma Cancer that develops in the lining of the renal tubules, which filter the blood and produce the urine. Also…
- Strep test, rapid A diagnostic test commonly used to demonstrate whether streptococcus bacteria ('strep') are present in the…
- Recrudescence Reappearance of a disease after it has been quiescent. A new outbreak or the return of a disease. As, for…
- Obtund To dull or blunt. From the Latin obtundere, to blunt
- Viscera The internal organs of the body, specifically those within the chest (as the heart or lungs) or abdomen (as…