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).
Ptosis of the eyelids, congenital
Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and restrict or even block vision. Moderate or severe ptosis calls for treatment to permit normal vision development. If not corrected…
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Show more- Vaccination, hepatitis B Hepatitis B: Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually…
- Anovulatory Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory…
- Periostitis Inflammation of the periosteum, a dense membrane composed of fibrous connective tissue that closely wraps…
- Falciparum malaria Malaria: The most dangerous type of malaria. Red blood cells infected with the parasite tend to sludge and…
- Urine infection in children See: Urinary tract infection in children
- Ceps A combining form referring to the head. Derived from the Latin caput, meaning head. See also: Janiceps
- Nephropathy, diabetic See: Diabetic nephropathy
- Nucleic acid hybridization A technique in which single-stranded nucleic acids (DNA or RNA) are allowed to interact so that complexes…
- Stone, tonsil A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets…
- Apraxia of speech A severe speech disorder characterized by inability to speak, or a severe struggle to speak clearly. Apraxia…
- Oral surgeon A dentist with special training in surgery of the mouth and jaw.
- ADH (antidiuretic hormone) A peptide molecule that is released by the pituitary gland at the base of the brain after being made nearby…