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).
Molecular biology
The study of biology on a molecular level including the structure, function, and makeup of biologically important molecules such as DNA, RNA, and proteins. The field of molecular biology involves many other areas of biology such as…
Read the definitionRandom terms
Show more- Paracentesis The removal of fluid from a body cavity using a needle, trocar, cannula, or other hollow instrument. A…
- Pulmonary stenosis, peripheral, with cholestasis Also known as arteriohepatic dysplasia or Alagille syndrome, this ia a genetic disorder characterized by…
- Mitral insufficiency Incomplete closure of the mitral valve resulting in the backflow of blood from the left ventricle to the left…
- Syndrome, reflex sympathetic dystrophy (RSDS) A condition that features a group of typical symptoms, including pain (often 'burning' type), tenderness, and…
- Enteric-coated Coated with a material that permits transit through the stomach to the small intestine before the medication…
- Meniscus, medial knee The word 'meniscus' refers to a crescent-shaped structure. The medial meniscus of the knee is a thickened…
- Hyposmia A reduced ability to smell and to detect odors. Some people have anosmia and can detect no odors
- Syndrome, thrombocytopenia-absent radius See Syndrome, TAR
- Melanoma, superficial spreading One of the four clinical types of malignant melanoma, the most common type in whites, typically presents as a…
- Transplantation, peripheral blood stem cell A new technique in which stem cells are obtained from a patient's blood and used in bone marrow…
- Labor Childbirth, the aptly-named experience of delivering the baby and placenta from the uterus to the vagina to…
- Nannycam See: Nanny cam