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).
Cloacal exstrophy
A birth defect involving the pelvic area that is termed a malformation sequence and involves the cloaca. A cloaca is a common passageway for feces, urine and reproduction. During human embryogenesis (development), there is for a time a…
Read the definitionRandom terms
Show more- Extended family The family group consisting not only the nuclear family (the parents and their children) but also embracing…
- National Institute for Occupational Safety Health: Known for short as NIOSH, a US Federal agency responsible for conducting research and making…
- Glomerular Pertaining to the glomerulus, a tiny structure in the kidney that filters the blood to form urine
- Diffuse toxic goiter Graves disease, the most common cause of hyperthyroidism (overactivity of the thyroid gland), with…
- Hemophagocytic lymphohistiocytosis A rare, cancer-like disorder in which both histiocytes and lymphocytes start to proliferate and attack body…
- Xanthoma Yellowish firm nodules in the skin frequently indicating underlying disease, such as diabetes, disorder of…
- Ulceration The process or fact of being eroded away, as by an ulcer
- Tension, intraocular The pressure within the eye
- Antisepsis Prevention of infection by inhibiting or arresting the growth and multiplication of germs (infectious…
- Backbone The spine. A flexible row of bones stretching from the base of the skull to the tailbone
- Movement, fetal Movement of the fetus in the womb. The first fetal movements felt by the mother during pregnancy (quickening)…
- Pathognomonic A sign or symptom that is so characteristic of a disease that it makes the diagnosis. For example, Koplik's…