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).
Amniotic sac
Popularly and more commonly known as the bag of waters. See: Bag of waters
Read the definitionRandom terms
Show more- Morphea Skin changes that are localized to one or more patchy areas of skin that become hardened, dry, smooth and…
- A1C A test that measures how much glucose has been sticking during the past 3-4 months to hemoglobin, the…
- Transplant, hand and forearm Transplantation of the hand and the forearm from one person (a deceased donor) to another (the recipient). In…
- Neuroendocrine Having to do with neuroendocrinology: the interactions between the nervous system and the endocrine system
- Refract In ophthalmology, to determine the bending of light that takes place within the human eye. Refractive errors…
- Autoimmune hemolytic anemia A condition in which the immune system attacks the red blood cells, resulting in fewer of these…
- Magic bullet Or, sometimes, silver bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term…
- Ultrafast CT Electron beam computerized tomography (EBCT), a new (and controversial) noninvasive test for the detection of…
- Pleural Pertaining to the pleura, the thin covering that protects the lungs. The term 'pleural' is pronounced like…
- Urethral meatus, female The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Paralysis, infantile (polio) Infantile paralysis is an old synonym for poliomyelitis, an acute and sometimes devastating viral disease…
- Aerophobia An abnormal and persistent fear of flying. Sufferers experience severe anxiety even though they usually…