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).
Lanugo
Downy hair on the body of the fetus and newborn baby. It is the first hair to be produced by the fetal hair follicles, usually appearing on the fetus at about five months of gestation. It is very fine, soft, and usually unpigmented…
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Show more- Uranium A metallic element that is used as nuclear fuel and is highly toxic and radioactive. Exposure to radiation…
- X-ray 1. High-energy radiation with waves shorter than those of visible light. X-rays possess the properties of…
- Octalox Trade name of the insecticide dieldrin. See: Aldrin and dieldrin
- Hybridization, nucleic acid A laboratory technique in which single-stranded nucleic acids (DNA or RNA) are allowed to interact so that…
- Somatic cell Any cell in the body other than an egg or sperm
- Gefitinib Gefitinib: A drug that attaches to the epidermal growth factor receptor (EGFR) on the surfaces of cells. The…
- Macrophagic myofasciitis A muscle disease first identified in 1993, macrophagic myofasciitis is named for the findings seen in tissue…
- Blueberry root See: Blue cohosh
- GOLD-3 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…
- Afferent nerve A nerve that carries impulses toward the central nervous system (CNS). The opposite of an afferent nerve is…
- Pregnancy danger from fifth disease Caused by a virus known as parvovirus B 19. Symptoms include low-grade fever, fatigue, a 'slapped cheeks…
- Gene family A group of genes related in structure and often in function. The genes belonging to a gene family are…