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).
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A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by specialized glands such as the thyroid gland. Hormones are essential for every activity of daily…
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Show more- Maternal phenylketonuria A mother with the genetic disease phenylketonuria (PKU) whose high blood levels of phenylalanine (phe) are…
- Astatic seizure See: Atonic seizure
- Fear of heat Thermophobia. An abnormally excessive and persistent fear of heat, including hot weather and hot objects…
- Power outage food safety >For the Freezer section: A freezer that is half full will hold food safely for up to 24 hours. A full…
- Scler- (Or sclero-) A confusing prefix that can refer exclusively to hardness (from the Greek 'skleros' meaning…
- DEXA Dual energy X-ray absorptometry. See: DXA
- Ethmoid bone An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the…
- Martorell syndrome Named after Fernando Martorell Otzet, Spanish cardiologist (1906-1984). In 1944 Martorell provided an…
- Dysgraphia A specific developmental disability that affects the person's ability to write. Problems may include…
- Microcephalin 1 Mutation of this gene is responsible for an autosomal recessive form of primary microcephaly with no other…
- Chemo Slang for chemotherapy -- drug therapy for cancer. Most anticancer drugs are given IV (into a vein) or IM…
- Binocularity The ability to focus upon an object with both eyes and create a single stereoscopic image. Binocularity…