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).
Alveoli
The plural of alveolus. The alveoli are tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide takes place.
Read the definitionRandom terms
Show more- Thomas Campion See: Campion, Thomas
- Cholesterol, High-density lipoprotein (HDL) cholesterol.
- Congenital neutropenia, severe (SCN) Neutropenia, severe (SCN): Children born with this condition lack neutrophils (a type of white blood cell…
- Medicine, adoption Medicine for the adopted child, including pre-adoption counseling and evaluation based on a child's medical…
- Anat. The abbreviation for anatomy, the study of form. Gross anatomy involves structures that can be seen with the…
- Thalassemia minor Also called thalassemia trait, thalassemia minor is the carrier state for beta thalassemia. People who are…
- Monoarticular Involving just one joint. As opposed to polyarticular (affecting many joints). From the Latin 'articulus,'…
- Implant, cochlear See: Cochlear implant
- Malignant ascites A condition in which fluid containing cancer cells collects within the abdomen
- Albumin The main protein in human blood and the key to the regulation of the osmotic pressure of blood. Chemically…
- Endometrial cancer Cancer of the womb (the uterus ). Endometrial cancer occurs most often in women between the ages of 55 and 70…
- Iressa Brand name for gefitinib, a drug that attaches to the epidermal growth factor receptor (EGFR) on the surfaces…