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).
Gland, mammary
One of the glands within the breast that secrete milk when prompted to do so by special hormones. Mammary glands are slightly tender to the touch, and may become more so during menstruation or pregnancy. They become enlarged when engorged…
Read the definitionRandom terms
Show more- Reflex, patellar tendon See: Knee jerk
- Leukemia, acute nonlymphocytic Leukemia, acute nonlymphocytic: Abbreviated ANLL. More commonly called acute myeloid leukemia (AML). A…
- Suicidal Pertaining to suicide. the taking of ones own life. As in a suicidal gesture, suicidal thought, or suicidal…
- Mucopolysaccharidosis type IVA Morquio syndrome due to deficiency of the enzyme N-acetylgalactosamine-6-sulfate sulfatase. See also…
- Meal moth A moth that infests both stored grain and cereal products. The moth larvae cause damage in corn meal…
- Release, carpal tunnel A surgical procedure to relieve pressure exerted on the median nerve within the carpal tunnel (the carpal…
- Lung cancer, oat cell See: Oat cell cancer
- Retinoblastoma Retinoblastoma: A malignant eye tumor in children, usually under age 5, that arises in cells in the…
- Oscillopsia Oscillating vision. Swinging vision. In oscillopsia, objects seem to swing, move back and forth, jerk, or…
- Acute angle-closure glaucoma Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the…
- Mercury gilding A perilous process for gold-plating in which an amalgam of mercury and gold is applied to an object and then…
- Autosomal dominant hereditary spastic paraplegia A degenerative disorder of nerves with progressive spasticity of the legs. Abbreviated as AD-HSP. Spasticity…