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).
Melanin
A skin pigment (substance that gives the skin its color). Dark-skinned people have more melanin than light- skinned people. Melanin also acts as a sunscreen and protects the skin from ultraviolet light. Melanin is produced by cells called…
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Show more- Kidney scoping Formally known as retrograde intrarenal surgery (RIRS), this is a procedure for doing surgery within the…
- Nervous colon syndrome A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Anxiety disorder, social Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Cervical kyphosis, postmenopausal An outward curvature (kyphosis) of the cervical vertebrae (the bones of the neck), creating a hump at the…
- Tzanck test The examination of fluid from a bulla (a blister) in search of Tzanck cells characteristic of varicella…
- Ringworm of the nails Ringworm of the nails: The most common fungus infection of the nails, also called onychomycosis…
- Curettement Curettage
- Spontaneous abortion A miscarriage, that is, any pregnancy that is not viable (the fetus cannot survive) or in which the fetus is…
- Tryptophan An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, tryptophan is…
- Stirrup The stapes, one of the three bones in the middle ear. See: Stapes
- Oculocutaneous albinism See: Albinism, oculocutaneous
- Bodywork Any of a number of therapeutic or simply relaxing practices that involve the manipulation, massage, or…