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).
Axis
The axis is the second cervical vertebra (symbol: C2). It is called the 'axis' because the uppermost cervical vertebra (called the atlas) rotates about the odontoid process of C2. The joint between the axis and atlas is a pivot type of…
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Show more- Loeys-Dietz syndrome Loeys-Dietz syndrome: Loeys-Dietz syndrome is an inherited syndrome characterized by aortic aneurysms…
- Vitamin B -- niacin Deficiency of niacin, one of the B-complex vitamins, causes pellagra. See: Pellagra
- ASCUS An acronym for Atypical Squamous Cells of Undetermined Significance. This term is used in the Bethesda System…
- Sesamoiditis Inflammation of a sesamoid bone. Since the patella (kneecap) is a sesamoid bone, inflammation of the patella…
- NG Nasogastric
- Umbilical cord The cord that connects the developing embryo or fetus with the placenta and through which run the umbilical…
- Gay gene A gene located on the X chromosome which was alleged to determine male homosexuality. The 'gay gene' was…
- Sterilization, female surgical Female surgical sterilization blocks (or removes part or all of) the fallopian tubes so the egg cannot travel…
- Adenitis Inflammation of a gland. From the aden-, gland + -itis, inflammation
- Cancer, cervical See: Cervical cancer
- Nerve pathways, visual The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a…
- BMPR1A A gene located on chromosome 10 in band 10q22.3 that encodes bone morphogenic protein receptor 1A, a kinase…