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).
Agent Orange
An herbicide and defoliant containing 2,4-D and 2,4,5-T and trace amounts of dioxin. Agent Orange was used as a defoliant in the Vietnam War. There has been concern about Agent Orange as a carcinogen and teratogen (cause cancer and birth…
Read the definitionRandom terms
Show more- Hoarding, pathological Hoarseness is a term referring to abnormal voice changes. Hoarseness may be manifested as a voice that sounds…
- Spongiform encephalopathy and cerebral amyloidosis See: Gerstmann-Straussler-Scheinker syndrome
- Deltoid An adjective and a noun. Adjective: In the shape of delta, the fourth letter in the Greek alphabet. A capital…
- Osteitis deformans Better known today as Paget disease, this is a chronic bone disorder that typically results in enlarged…
- Dissociation In psychology and psychiatry, a perceived detachment of the mind from the emotional state or even from the…
- Access 1. In general, a means of approaching something. 2. In health care, the opportunity or right to receive…
- Muscle, central core disease of One of the muscles that relax the zonules to enable the lens to change shape for focusing. The zonules are…
- Posterior pituitary The back portion of the pituitary, a small gland in the head called the master gland. The posterior pituitary…
- Eye, lazy See: Lazy eye
- Sweating, gustatory Sweating on the forehead, face, scalp, and neck occurring soon after ingesting food. Some gustatory sweating…
- APC (gene) A major gene that is involved in causing colorectal cancer. APC is involved in both sporadic and familial…
- Epispadias Congenital (at birth) malformation in which the opening of the urethra (from whence comes the urinary stream)…