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).
Atypical
Not typical, not usual, not normal, abnormal. Atypical is often used to refer to the appearance of precancerous or cancerous cells
Read the definitionRandom terms
Show more- Histiocytosis, Langerhans cell Histiocytosis in which the active histiocytes normally occur in the skin. See histiocytosis.
- Secretase, beta- An enzyme that appears to be directly involved in the early development of Alzheimer's disease…
- Cramp, writer's A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting…
- Femoral vein The largest vein in the groin. The femoral vein is a continuation of the popliteal vein. It passes, together…
- CHARGE syndrome See: CHARGE association
- Imprinting, genomic The phenomenon of parent-of-origin gene expression. The expression of a gene depends upon the parent who…
- Flat affect A severe reduction in emotional expressiveness. People with depression and schizophrenia often show flat…
- Disease, rheumatic heart Heart damage caused by rheumatic fever. Treatment is by preventing reinfection with strep and by treating…
- Disease, Parry's Toxic multinodular goiter, a condition in which the thyroid gland contains multiple lumps (nodules) that are…
- Juvenile-onset diabetes See Diabetes, type 1
- Cancer, myeloma A bone marrow cancer involving a type of white blood cell called a plasma (or myeloma) cell. The tumor cells…
- Heartburn An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum)…