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).
Diffuse toxic goiter
Graves disease, the most common cause of hyperthyroidism (overactivity of the thyroid gland), with generalized diffuse overactivity ('toxicity') of the entire thyroid gland which becomes enlarged into a goiter. There are three clinical…
Read the definitionRandom terms
Show more- Influenza, Asian See: Asian flu
- GOO Gastric outlet obstruction
- Sweats, night Severe hot flashes which occur at night and result in a drenching sweat. Night sweats have many possible…
- Disease, graft-versus-host A reaction of donated bone marrow against a patient's own tissue. Also called GVHD
- Base sequence analysis A method for determining the order of nucleotide bases in DNA
- Artic health Health in the vast geographic region widely surrounding the North Pole, an area that encompasses all or…
- Prenatal diagnosis Diagnosis before birth. Methods for prenatal diagnosis include ultrasound of the uterus, placenta, and/or…
- Primary amenorrhea Absence of menstruation. Amenorrhea is conventionally divided into primary and secondary amenorrhea. With…
- Meralgia paresthetica Meralgia paresthetica: Entrapment or pinching of the nerve that supplies sensation to the outer portion of…
- Heterochromatin Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- Somatotropin Growth hormone, a polypeptide containing 191 amino acids, produced by the anterior pituitary, the front…
- Postmortem examination An autopsy. Also called a necropsy. Postmortem examinations have been done for more than 2,000 years but…