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).
Arcuate nucleus
A collection of neurons (nerve cells) in the hypothalamus of the brain. Some arcuate neurons contain dopamine and act to inhibit the release of the hormone prolactin by the pituitary gland. Other arcuate neurons contain a substance called…
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Show more- Streptococcus A group of bacteria, familiarly known as strep, that cause a multitude of diseases. The name comes from the…
- Macrovascular disease Disease of the large blood vessels, including the coronary arteries, the aorta, and the sizable arteries in…
- Mutant An individual with a mutant (changed) gene.
- Paralysis, laryngeal nerve Paralysis of the recurrent laryngeal nerve, a branch of the vagus nerve (a long and important nerve that…
- Node, sinus The sinus node is one of the major elements in the cardiac conduction system, the system that controls the…
- Chemoembolization Chemoembolization is a procedure in which the blood supply to a tumor is blocked and anticancer drugs are…
- Fat, brown See: Brown fat
- Cauliflower ear Adding=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…
- Mandible The mandible is the bone of the lower jaw. The joint where the mandible meets the upper jaw at the temporal…
- Intrathecal chemotherapy Chemotherapy: Treatment with drugs that are injected into the fluid surrounding the brain and spinal cord…
- Psychoneuroimmunology The study of the connections between the mind and the neural, immune and endocrine (hormonal) systems. The…
- Anophthalmia Absence of the eye, as a result of a congenital malformation (birth defect) of the globe. Anophthalmia…