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).
Poikiloderma congenita
Better known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive degeneration (atrophy), scarring and abnormal pigmentation of the skin together with stunting of growth, baldness, cataracts…
Read the definitionRandom terms
Show more- Vision, blurred See: Blurred vision
- Oesophagus Alternate spelling for esophagus. The British have an oesophagus while Americans have an esophagus. But on…
- Areflexia Absence of neurologic reflexes such as the knee jerk reaction
- Messenger RNA The key intermediary in gene expression, translating the DNA's genetic code into the amino acids that make up…
- MAM Menstrually associated migraine. See: Menstrual migraine
- Perinatal transmission Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the…
- Sore, cold A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Verbal child abuse Child abuse: Also known as emotional child abuse, this is the third most frequently reported form of child…
- Palpebral fissure The opening for the eyes between the eyelids.
- Cell fusion The melding of two or more cells into one cell called a heterokaryon. A heterokaryon may reproduce itself for…
- Hypothyroidism, congenital Hypothyroidism, congenital: Underactivity of the thyroid gland at birth, resulting in growth retardation…
- Snowblindness A burn of the cornea (the clear front surface of the eye) by ultraviolet B rays (UVB). Also called radiation…