MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Rectal (adjective)
Having to do with the rectum, the last 6 to 8 inches of the large intestine that serves to store solid waste until it leaves the body through the anus. The word 'rectal' comes from the Latin 'rectus' meaning 'straight' (which the human…
Read the definitionRandom terms
Show more- Feverfew An herb that has been most commonly used for migraine headaches. Feverfew can cause allergic reactions…
- Paul M. Zoll See: Zoll, Paul M.
- Menopause Menopause: The time in a woman's life when menstrual periods permanently stop; it is also called the 'change…
- Incisional biopsy A biopsy in which only a sample of the suspicious tissue is cut into (incised) and removed for purposes of…
- Syncope, micturition The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in…
- Roofer's knee See prepatellar bursitis.
- Biventricular assist device A ventricular assist device that helps both ventricles of the heart. It helps the right ventricle of the…
- Plague, Great The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Epicondylitis Epicondylitis is an inflammation or damage to the area of an epicondyle of bone. An epicondyle is a…
- Functional magnetic resonance imaging The use of magnetic resonance imaging (MRI) to learn which regions of the brain are active in a specific…
- Jaundice, hemolytic Jaundice, hemolytic: Jaundice caused by destruction of red blood cells. This can be an inborn condition…
- Hypothyroidism, congenital Hypothyroidism, congenital: Underactivity of the thyroid gland at birth, resulting in growth retardation…