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).
Retinitis pigmentosa
Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and cones) in the retina lead to progressive visual loss. People with retinitis pigmentosa (RP) first experience defective dark…
Read the definitionRandom terms
Show more- Facial nerve The facial nerve is the seventh cranial nerve. It is a mixed nerve that has fibers both going out and coming…
- Resistance, antibiotic The ability of bacteria and other microorganisms to withstand an antibiotic to which they were once sensitive…
- Hippophobia An abnormal and persistent fear of horses. Sufferers of this fear experience undue anxiety even when a horse…
- Vaccination, H. flu This immunization is designed to prevent disease due to Haemophilus influenzae (H. flu), specifically…
- Remodelling, chromatin See: Chromatin remodeling
- Gametogenesis The development and production of the male and female germ cells required to form a new individual. The male…
- Naturopathy A system of therapy based on preventative care, and on the use of heat, water, light, air, and massage as…
- Transient global amnesia A passing episode of short-term memory loss without other signs or symptoms of neurological impairment. In…
- Nasal septum The dividing wall within the nose. The nasal septum runs down the middle of the nose creating two sides to…
- Spider phobia See: Arachnophobia
- Base pair Two DNA bases complementary to one another (A and T or G and C) that join the complementary strands of DNA to…
- Lean body mass The mass of the body minus the fat (storage lipid). There are a number of methods for determining the lean…