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).
Chromatids
The daughter strands of a duplicated chromosome joined together by a centromere.
Read the definitionRandom terms
Show more- Salaam seizure See: Infantile spasms
- Debride To remove dead, contaminated or adherent tissue or foreign material. The purpose of wound debridement is to…
- Insomnia, fatal familial See Fatal familial insomnia
- Neutral foot type The most common type of foot. A runner with a neutral type of foot lands on the heel and rolls forward during…
- NIAAA (Nat'l Inst. on Alcoh. Abuse and Alcoholism) Sm: The National Institute on Alcohol Abuse and Alcoholism is one of the National Institutes of Health (NIH)…
- Carcinoid tumor A tumor which secretes large amounts of the hormone serotonin. Carcinoid tumor is also called an…
- Hernia, diaphragmatic Hernia: Passage of a loop of bowel through the diaphragm muscle. This type of hernia occurs as the bowel from…
- Creutzfeldt-Jakob disease (CJD) Spontaneous tearing in parallel with the normal salivation of eating. The crocodile tears syndrome occurs…
- Congenital ptosis of the eyelids Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Selenocysteine An amino acid in which selenium takes the place of sulfur in the amino acid cysteine. Its formula is…
- Reperfusion The restoration of blood flow to an organ or tissue. After a heart attack, an immediate goal is to quickly…
- Keratectomy, photorefractive (PRK) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…