MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Exchange, gas
The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air
Read the definitionRandom terms
Show more- Cyclic AMP-dependent protein kinase See: Protein kinase A
- Neurosurgeon A physician trained in surgery of the nervous system and who specializes in surgery on the brain and other…
- NTD Neural tube defect, a major birth defect caused by abnormal development of the neural tube, the structure…
- Orgasmic dysfunction See: Anorgasmia
- Parrot fever (psittacosis) An infectious disease due to a bacteria (Chlamydia psittaci) contracted from psittacine birds, especially…
- Cell fusion The melding of two or more cells into one cell called a heterokaryon. A heterokaryon may reproduce itself for…
- Histoplasma capsulatum See: Histoplasma
- Cerebral ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres. Each lateral ventricle consists…
- Hysterectomy, partial The uterus is surgically removed but the cervix is left is left in place. Also called a subtotal hysterectomy
- Drop attack See: Atonic seizure
- Alpha linolenic acid See: Alpha-linolenic acid
- Verbal child abuse Child abuse: Also known as emotional child abuse, this is the third most frequently reported form of child…