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).
Hormone, parathormone
Hormone made by the parathyroid gland (behind the thyroid gland in the neck). Parathormone (pronounced para-thor-mone) is critical to calcium and phosphorus balance. Deficiency of parathormone results in abnormally low calcium in the blood…
Read the definitionRandom terms
Show more- Event, adverse See: Adverse event
- Charley horse A cramp in a muscle in the leg, usually caused by a strain or injury. A charley horse can last anywhere from…
- Reduction mammaplasty See: Breast reduction
- Retrospective diagnosis See: Retrodiagnosis
- Desmoplastic reaction This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Autosomal dominant radial drusen See: Malattia leventinese
- Zygote The cell formed by the union of a male sex cell (a sperm) and a female sex cell (an ovum). The zygote…
- Innervate To supply with nerves. It is a little known fact that the cornea is the most densely innervated tissue in the…
- Dehydroepiandrosterone DHEA. A steroid hormone made by the adrenal glands that acts on the body much like testosterone and is…
- Vein, splenic A vein that is formed by the union of several small veins draining blood from the stomach, pancreas and…
- Genetic infantile agranulocytosis Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…
- Inversion, pericentric chromosome A basic type of chromosome rearrangement in which a segment that includes the centromere (and so is…