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).
DT immunization
DT (diphtheria and tetanus) vaccine does not protect from pertussis and is usually reserved for individuals who have had a significant adverse reaction to a DPT shot or who have a personal or family history of a seizure disorder or brain…
Read the definitionRandom terms
Show more- Psychological child abuse Child abuse: Also known as emotional child abuse, this is the third most frequently reported form of child…
- Familial primary pulmonary hypertension See: Pulmonary hypertension
- Elevated hemidiaphragm Elevation of half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that…
- Pestilence The pestilence referred to the bubonic plague and it now refers to any epidemic disease that is highly…
- CA 15-3 A tumor marker most useful in following the course of treatment in women diagnosed with breast cancer…
- Blood in the eye Medically known as a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first…
- Hemoglobin F Normal fetal hemoglobin, the predominant type of hemoglobin in the fetus and newborn. The F stands for Fetal.
- Hormone, antidiuretic (ADH) A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…
- Intercostal muscle Muscle tissue between two ribs. This muscle is a type called skeletal muscle
- Abnormal Not normal. Deviating from the usual structure, position, condition, or behavior. In referring to a growth…
- Dopamine An important neurotransmitter (messenger) in the brain. Dopamine is classified as a catecholamine (a class of…
- Roentgen ray Term coined around 1890 that preceded X-ray and is now synonymous with it. Named for Wilhelm Roentgen, a…