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).
Itch, seabather's
An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish are common between March and August in the waters off of Florida and in the Gulf of Mexico and the Caribbean Sea. There may be no…
Read the definitionRandom terms
Show more- Vaccination, infectious hepatitis See Immunization, hepatitis A.
- Mucopolysaccharidosis type VIII DiFerrante syndrome, due to deficiency of the enzyme glucosamine-6-sulfate. See also Mucopolysaccharidosis.
- Laying on of hands In alternative medicine, an ancient method of healing by touching a person with the hands or palms, usually…
- Cutaneous papilloma A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost…
- Hypodontia and nail dysgenesis A genetic disorder characterized by the absence of several teeth (hypodontia) and abnormalities of the nails…
- Amelanotic Without melanin. A skin lesion that is amelanotic lacks the pigment melanin and therefore is essentially…
- Uteroglobin A protein that is induced by progesterone and binds it and that inhibits the enzyme phospholipase A2 (PLA2)…
- Meningitis, meningococcal Meningitis, meningococcal: Inflammation of the meninges (the membranes covering of the brain and spinal cord)…
- Ejaculation Ejection of sperm and seminal fluid
- Ethylene glycol poisoning Poisoning from ethylene glycol (a clear, colorless, odorless liquid with a sweet taste) that can produce…
- Retinal vasculitis Vasculitis: The retina is the portion of the eye that contains the nerves of sensation that perceive light…
- Messenger RNA The key intermediary in gene expression, translating the DNA's genetic code into the amino acids that make up…