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).
Arrhythmias, rapid
Abnormally rapid heart rhythms, medically termed tachycardia
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Show more- Vasovagal syncope The temporary loss of consciousness in a particular kind of situation (situational syncope) due to a…
- Vestibular apparatus The vestibule and three semicircular canals of the inner ear. Like an internal carpenter's level, these…
- Xerostomia Dry mouth. The condition of not having enough saliva to keep the mouth wet due to inadequate function of the…
- Segawa dystonia Dystonia: An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in childhood or…
- Polycythemia Too many red blood cells. The opposite of anemia. Polycythemia formally exists when the hemoglobin, red blood…
- Neuralgia, postherpetic Localized pain in the area of involvement of shingles that persists beyond one month. The most common…
- Ornithine An amino acid that is not found in protein but is important in the formation of urea and the disposal of…
- Kernig sign A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- Medulla, adrenal The inner portion of adrenal gland. (The outer portion is the adrenal cortex). The adrenal medulla makes…
- Estrogen-associated blood clots >esterified estrogens >esterified estrogens and methyltestosterone >estradiol >estrogens (conjugated) and…
- Deformation A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word…
- Cancer of the vulva An uncommon cancer of women in which the malignancy is in the vulva, the outer part of the vagina, that…