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).
Nucleus
1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells
Read the definitionRandom terms
Show more- Implant, cochlear See: Cochlear implant
- Nuchal Referring to the back of the neck (nape). For example, nuchal rigidity is a stiff neck, sometimes a symptom…
- Endocardial Pertaining to the endocardium, the inside lining of the heart
- Gonad A reproductive gland (ovary or testis) that produces germ cells (gametes). In embryonic life, the gonad in…
- Septum, nasal The dividing wall within the nose. The nasal septum runs down the middle of the nose creating two sides to…
- Formication The illusion or hallucination that ants or other insects are creeping on or under the skin. Formication is a…
- Toe, turf See: Turf toe
- Whitehead A familiar term for what is medically called a closed comedo. A comedo, the primary sign of acne, consists of…
- INR Stings from large stinging insects such as bees, hornets, yellow jackets and wasps can trigger allergic…
- Magnesium A mineral involved in many processes in the body including nerve signaling, the building of healthy bones…
- Cataract surgery Cataract surgery: Removal of the clouded lens (the cataract) in its entirety by surgery, usually followed by…
- Heredofamilial tremor See: Essential tremor