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).
Two-faced twins
Twin: Known medically as diprosopus, two-faced twins are conjoined twins (incompletely separated identical twins). The twins have almost complete fusion of their bodies with one set of limbs. Part or all of the face is duplicated. The…
Read the definitionRandom terms
Show more- Variolation The old practice of inoculating someone with the virus of smallpox to produce immunity to the disease. Lady…
- Bunion A bunion is a localized painful swelling at the base of the big toe (the great toe). The joint is enlarged…
- Alpers disease A progressive disease of the nervous system characterized by spasticity (tightness), myoclonus and dementia…
- Chorda tympani A branch of the facial nerve (the seventh cranial nerve) that serves the taste buds in the front of the…
- Bias 1. When a point of view prevents impartial judgment on issues relating to the subject of that point of view…
- PAM Primary amebic meningoencephalitis
- Gamma-linolenic acid Abbreviated GLA. An essential polyunsaturated fatty acid contained in some plant seed oils including evening…
- Vaginal hysterectomy Hysterectomy: Removal of the uterus through a surgical incision made within the vagina. With a vaginal…
- Giant hypertrophy of gastric mucosa See: Giant hypertrophic gastritis
- Antiviral agent An agent that kills viruses or suppresses their replication and, hence, inhibits their capability to multiply…
- Humor In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Osteoblastoma A benign tumor in bone tissue. Osteoblastomas are small, and are seen most frequently in children or young…