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).
Second cranial nerve
The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the impulses formed by the retina -- the nerve layer that lines the back of the eye, senses light and creates the impulses -- to the…
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Show more- CpG In genetics, a site where cytosine (C) lies next to guanine (G) in the DNA sequence. (The p indicates that C…
- Disease, coronary artery >Chest pain (angina pectoris) from inadequate blood flow to the heart; >Heart attack (acute myocardial…
- Iodine deficiency Iodine is a natural requirement of our diets. Iodine deficiency can lead to inadequate production of thyroid…
- Cortex, adrenal The outer portion of the adrenal gland located on top of each kidney. The adrenal cortex produces steroid…
- Keratotomy, radial An eye surgery procedure designed to flatten the cornea, reducing its optical power, to correct…
- Wezand See: Weasand
- Congestive heart failure Congestive heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure…
- Fissure A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature…
- Papuliferous 1. Having papules. 2. Having pimples. Simply pimply. From papule, pimple + the Latin fero, to bear. Also…
- Prosthetics The art and science of developing artificial replacements for body parts. Depending on the type of…
- Multiple lentigines syndrome See: LEOPARD syndrome
- Foot drop See Foot-drop