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.
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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).
Mitochondria
Normal structures responsible for energy production in cells. Mitochondria are located in the cytoplasm outside the nucleus of the cell. They consist of two sets of membranes, a smooth continuous outer coat and an inner membrane arranged…
Read the definitionRandom terms
Show more- Emergency postcoital contraception See: Emergency contraception
- Hemorrhoid A dilated (enlarged) vein in the walls of the anus and sometimes around the rectum, usually caused by…
- Cancer, non-small cell lung Cancer of the lung which is not of the small cell carcinoma (oat cell carcinoma) type. The term 'non-small…
- Codon A set of any three adjacent bases in the DNA or RNA. There are 64 different codons of which 61 specify the…
- Hydrophobia Gross edema (swelling), usually with anemia, of the fetus. It can be due to Rh blood group incompatibility…
- Genome Research Institute, National Human RI): One of the newest of the National Institutes of Health (NIH), NHGRI's mission in formal terms is to…
- Contiguous gene syndrome A disorder due to deletion of multiple gene loci that are adjacent to one another. Contiguous gene syndromes…
- House officer A resident physician and surgeon of a hospital (the 'house') who is receives further training, usually in a…
- Zhong Wei Chen See: Chen, Zhong Wei
- Bartholin's glands A pair of glands between the vulva and the vagina that produce lubrication in response to stimulation. With a…
- Sac, yolk See: Yolk sac
- Coprolalia The excessive and uncontrollable use of foul or obscene language, including words related to feces (bowel…