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).
Quinquagenarian
Someone in his or her fifties. See also: Age by decade
Read the definitionRandom terms
Show more- Talus The ankle bone. The ankle joint is formed by the talus and the bottom of the tibia and fibula that rest upon…
- Hereditary sensory and autonomic neuropathy III A degenerative disorder of nerves with progressive spasticity of the legs. Abbreviated as AD-HSP. Spasticity…
- AMS (acute mountain sickness) Acute mountain sickness (AMS) is the effect on the body of being in a high altitude environment. AMS is…
- Nonblinded study A clinical trial or other experiment in which the researchers know what treatments are being given to each…
- Bulbourethral gland Also called Cowper's gland. A pea-sized gland in the male located behind and to the side of the urethra that…
- Immunodeficiency Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as…
- Syndrome, paraneoplastic See: Paraneoplastic syndrome
- Blister, fever Fever: A small sore situated on the face or in the mouth that causes pain, burning, or itching before…
- Xenobiotic Natural substances that are foreign to the body
- Cyst, ovarian A fluid-filled sac in the ovary. The most common type of ovarian cyst is called a follicular cyst. It results…
- Lateral 1. In anatomy, the side of the body or a body part that is farther from the middle or center of the body…
- Syndrome, Conn Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue…