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).
Binocular vision
The ability to maintain visual focus on an object with both eyes, creating a single visual image. Lack of binocular vision is normal in infants. Adults without binocular vision experience distortions in depth perception and visual…
Read the definitionRandom terms
Show more- Levothyroxine See: Thomas, Lewis.
- Quiescence Inactivity, quietness. In cells, quiescence is the state of not dividing. In neurons (nerve cells)…
- Fear of birds An abnormal and persistent fear of birds. Sufferers of this fear experience undue anxiety about encountering…
- Prandial Of or relating to a meal. Prandial pain is pain while eating. Although medical terms usually have a…
- Autoinnoculation Inoculation of a microorganism obtained by contact with a lesion on one's own body, producing a secondary…
- Flood supplies kit A flood watch or warning. The steps to take in case a flood watch or warning has been issued include the…
- Exaggerated startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Melena Stools or vomit stained black by blood pigment or dark blood products.
- Parathyroid adenoma A small tumor of the parathyroid gland and the most common disorder of the gland. Parathyroid adenomas are…
- Skeletal dysplasia One of a large contingent of genetic diseases in which the bony skeleton is abnormally formed during…
- DiGeorge syndrome A genetic disorder characterized by hypocalcemia, immunodeficiency, and congenital heart disease: >…
- Organs of reproduction, male >The male external genitalia -- the penis, the male urethra, and the scrotum; and >The male internal…