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).
Arcuate nucleus
A collection of neurons (nerve cells) in the hypothalamus of the brain. Some arcuate neurons contain dopamine and act to inhibit the release of the hormone prolactin by the pituitary gland. Other arcuate neurons contain a substance called…
Read the definitionRandom terms
Show more- FALDH deficiency Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Dihydroxyacetone Also known as DHA, the active ingredient in most sunless tanning lotions. See: DHA
- Pleurae Pleural of pleura (the thin covering that protects and cushions the lungs)
- Syndrome, fragile X The most common heritable form of mental retardation, occurring in about one in two thousand males and a…
- Turgor Gree of elasticity of skin, sometimes referred to as skin turgor. The assessment of skin turgor is used…
- Abrin A phytotoxin (plant poison) found in the seeds of a plant called the rosary pea or jequirity pea. These seeds…
- Uterus cancer See: Uterine cancer
- Olecranon Of or pertaining to the bony tip of the elbow. The olecranon is, in fact, the near end of the ulna, the bone…
- Bipolar disorder Dding=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…
- Lassitude Weakness, weariness, listlessness, exhaustion, lethargy. For example, the patient complained of lassitude…
- DNA, junk See: Junk DNA
- Necrotizing gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…