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).
Analog
In biochemistry, a substance that is similar, but not identical, to another
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- Methyl-CpG-binding protein-2 (MECP2) An enzyme which, when mutated, results in RTT (Rett syndrome), a genetic disease that is a uniform and…
- Lightheadedness A feeling you are 'going to faint.' Lightheadedness is medically distinct from dizziness, unsteadiness, and…
- Athymic mouse A laboratory mouse lacking a thymus gland. Athymic mice have no T cells and useful in research because they…
- Venomous 1. Full of venom. 2. Having venom, like some snakes and insects. 3. By extension, noxious, as a venomous…
- TACE Transarterial chemoembolization, a procedure in which the blood supply to a tumor is blocked (embolized) and…
- Cigar A small roll of tobacco leaf for smoking. The word 'cigar,' from the Spanish 'cigarro,' first appeared in…
- Optic nerve pathways The left and right branches of the optic nerves join behind the eyes, just in front of the pituitary gland…
- Thoracic outlet syndrome Thoracic outlet syndrome: A condition due to compromise of blood vessels or nerve fibers between the armpit…
- Cognitive Pertaining to cognition, the process of knowing and, more precisely, the process of being aware, knowing…
- Vertex The top of the head. In a vertex presentation, the top of the baby's head comes first at delivery. The word…
- Trichomoniasis Trichomoniasis: Infection with trichomonas, in humans with Trichomonas vaginalis.