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).
Neurotransmitter
A chemical that is released from a nerve cell which thereby transmits an impulse from a nerve cell to another nerve, muscle, organ, or other tissue. A neurotransmitter is a messenger of neurologic information from one cell to another
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- Apophysitis calcaneus Also called Sever's condition, this disorder is due to inflammation of the growth plate of the calcaneus, the…
- Cousin marriage Marriage involving cousins. Everyone carries rare recessive alleles, rare genes that are generally innocuous…
- Health care proxy A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Wiedemann-Beckwith syndrome See: Beckwith-Wiedemann syndrome
- Supernumerary nipple An extra nipple. Supernumerary nipples are usually smaller than normal and vestigial (nonfunctional, without…
- Hybridization, nucleic acid A laboratory technique in which single-stranded nucleic acids (DNA or RNA) are allowed to interact so that…
- Pulmonary valve One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in…
- Scratch test for allergy A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually involves two…
- Base, pressor A pressor base is a substance chemically classified as a base (or amine) that is capable of raising the blood…
- Data Facts, statistics, and the like. In medicine and the health sciences, people often speak of 'the data'…
- Drugs, anti-angiogenesis These drugs, which include angiostatin and Endostatin, halt the process of developing new blood vessels…