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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Atrophy
Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also show atrophy. For example, atrophy of the optic nerve diminishes vision.
Read the definitionRandom terms
Show more- Major depression A disease with certain characteristic signs and symptoms that interferes with the ability to work, sleep…
- Spondylosis Degeneration of the disc spaces between the vertebrae. This finding in the spine is commonly associated with…
- Quack 1) A practitioner who suggests the use of substances or devices for the prevention or treatment of disease…
- Fertilization, in vitro IVF, a laboratory procedure in which sperm are placed with an unfertilized egg in a Petri dish to achieve…
- M. intercellulare Mycobacterium intercellulare
- Demulcent Soothing. The word 'demulcent' comes from the Latin verb, 'demulcere' meaning 'to caress.' Something that is…
- Tibia vara Improper growth of the tibia in the leg, causing bowlegs or other leg problems. The tibia may bow anteriorly…
- Premature menopause Premature menopause: Menopause (permanent cessation of menses) occurring before age 40 due to ovarian…
- EPO test A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney…
- Kinship Relationship by marriage or, specifically, a blood tie.
- Acoustic Having to do with sound or hearing. The acoustic nerve (the 8th cranial nerve) is concerned with hearing and…
- Black plague In 14th-century Europe, the victims of the 'black plague' had bleeding below the skin (subcutaneous…