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).
Monozygous twins
Twin: Identical twins that originate from a single fertilized egg (a zygote)
Read the definitionRandom terms
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- Car booster seat A car seat for a child who has outgrown both an infant seat and a toddler seat. The US National Highway…
- Flora The population of microbes inhabiting the outside or inside surfaces of people (or other animals). Also, the…
- Beta carotene A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted…
- Osteotomy, cuneiform Surgical removal of a triangular piece of bone
- Primary amenorrhea Absence of menstruation. Amenorrhea is conventionally divided into primary and secondary amenorrhea. With…
- Fear of sexual intercourse An abnormal and persistent fear of male-female sexual intercourse. Sufferers of this fear experience undue…
- Comedo The primary sign of acne consisting of a dilated (widened) hair follicle filled with keratin squamae (skin…
- Hypnic jerk The common normal phenomenon of jerking awake, usually accompanied by a feeling of falling, just as one is…
- German measles (historical note) In 1941 N. M. Gregg, an Australian ophthalmologist, recognized that infection of the mother with German…
- Familial Parkinson disease type 9 A familial form of Parkinson disease inherited in an autosomal recessive manner due to a gene on chromosome…
- Surgery, plastic The field of surgery concerned with reducing scarring or disfigurement that may occur as a result of…