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).
Willis, circle of
A cancer of the kidney and one of the most important malignancies in childhood, due to loss or inactivation of a tumor suppressor gene called WT1 on chromosome 11. Tumor suppressor genes usually suppress the growth of tumors and control…
Read the definitionRandom terms
Show more- Cervical vertebra, first The first cervical (neck) vertebra is called the atlas. It supports the head. The atlas bone is named for the…
- Basal ganglia A region consisting of 3 clusters of neurons (called the caudate nucleus, putamen, and the globus pallidus)…
- Homozygosity The state of possessing two identical forms of a particular gene, one inherited from each parent. For…
- Premenstrual Just before the start of menstruation. As in a premenstrual headache
- EM (electron microscope) A microscope in which an electron beam replaces light to form the image. EM stands for electron microscope…
- CHD Congenital heart disease, a malformation of the heart or the large blood vessels near the heart. The term…
- Fever, dumdum Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Dehydroepiandrosterone DHEA. A steroid hormone made by the adrenal glands that acts on the body much like testosterone and is…
- Osteology The study of bones. The branch of anatomy or physical anthropology that deals with bones. Bone-ology
- Urinary incontinence Urinary incontinence: The unintentional loss of urine. Inability to hold urine in the bladder due to loss of…
- Hemoglobin A1C The main fraction of glycosylated hemoglobin (glycohemoglobin) which is hemoglobin to which glucose is bound…
- Orgasmic dysfunction See: Anorgasmia