MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Synaptonemal complex
A protein structure that forms between two homologous chromosomes during meiosis and that is thought to mediate chromosome pairing, synapsis, and recombination. The synaptonemal complex is a tripartite structure consisting of two parallel…
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Show more- Sleep apnea, obstructive Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes…
- Aetiology The study of the causes. For example, of a disorder. The word 'aetiology' is mainly used in medicine, where…
- Ambulance Although you are undoubtedly familiar with the sound of the siren and the sight of the flashing lights of the…
- Septum, nasal The dividing wall within the nose. The nasal septum runs down the middle of the nose creating two sides to…
- Strabismus Strabismus: A condition in which the visual axes of the eyes are not parallel and the eyes appear to be…
- Vasomotor Relating to the nerves and muscles that cause the blood vessels to constrict or dilate
- Cyanotic Showing cyanosis (bluish discoloration of the skin and mucous membranes due to not enough oxygen in the…
- Neurooncologist A physician trained to diagnose and treat patients with brain tumors and other types of tumors of the nervous…
- Melanoma, ciliary body See: Intraocular melanoma
- Vaginal fornix The anterior (front) and posterior (back) recesses into which the upper vagina is divided. These vaultlike…
- Physical map A person trained and certified by a state or accrediting body to design and implement physical therapy…
- Syndrome, autoimmune polyendocrinopathy A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…