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).
Ca
The symbol for calcium
Read the definitionRandom terms
Show more- Gait A manner of walking. Observation of the gait can provide clues to a number of diagnoses including Parkinson…
- Regulatory region A region of a chromosome that controls gene expression. In terms of DNA, it is a regulatory sequence
- Paralysis, laryngeal nerve Paralysis of the recurrent laryngeal nerve, a branch of the vagus nerve (a long and important nerve that…
- Hereditary amyotrophic lateral sclerosis See: Familial ALS
- Ear, low-set A minor anomaly involving an ear situated down below its normal location. Technically, the ear is low-set…
- Cloaca A common passageway for feces, urine and reproduction. At one point in the development of the human embryo…
- Familial polyposis of colon, autosomal recessive See: MYH
- Connective tissue A material made up of fibers forming a framework and support structure for body tissues and organs…
- Fear of heat Thermophobia. An abnormally excessive and persistent fear of heat, including hot weather and hot objects…
- Altitude, acclimatization to >The depth of respiration increases; >The pressure in the pulmonary arteries increases, forcing blood into…
- Study, Framingham See: Framingham Study
- Transcription Making an RNA copy from a sequence of DNA (a gene). Transcription is the first step in gene expression