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).
Fetal alcohol effects (FAE)
A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1. The person has some signs of FAS; 2. The person does not meet all of the necessary criteria for FAS; and 3. There is a history of…
Read the definitionRandom terms
Show more- Cancer cluster A greater-than-expected number of cancer cases that occurs within a group of people in a geographic area over…
- Phosphatase, acid Acid phosphatase is an enzyme that works under acid conditions and is made in the liver, spleen, bone marrow…
- Mole 1. In dermatology, a pigmented spot on the skin, Also called a nevus. 2. In gynecology, a mass within the…
- ANC The absolute neutrophil count, the number of white blood cells (WBCs) that are neutrophils. The ANC is not…
- Palsy Paralysis, generally partial, whereby a local body area is incapable of voluntary movement (motor function)…
- Sclerosis Localized hardening of skin
- Eosinophilic meningitis Meningitis with a high percentage of eosinophils (a type of white blood cell) in the cerebrospinal fluid…
- Brain biopsy Biopsy of the brain. Removal of a small piece of tissue from the brain for diagnostic purposes. One way the…
- SIDS (sudden infant death syndrome) The sudden and unexpected death of a baby with no known illness, typically affecting sleeping infants between…
- Hormone A chemical substance produced in the body that controls and regulates the activity of certain cells or…
- Hookworm An intestinal parasite that usually causes diarrhea or cramps. Heavy infestation with hookworm can be serious…
- Enzyme-linked immunosorbent assay (ELISA) ELISA stands for 'enzyme-linked immunosorbent assay.' This is a rapid immunochemical test that involves an…