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).
Oligomenorrhea
A reduction in number of menstrual periods and/or amount of menstrual flow.
Read the definitionRandom terms
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- Hydrocephalus Hydrocephalus: Hydrocephalus is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of the…
- Ejaculatory duct A canal in the male formed by union of the vas deferens and the duct from the seminal vesicle. The…
- Vara See: Varus
- Hemoglobin normal values Hemoglobin is the oxygen-carrying pigment in the blood, the predominant protein in the red blood cells. In…
- Heart rate The number of heart beats per unit time, usually per minute. The heart rate is based on the number of…
- Syphilitic 1. Relating to syphilis, caused by it, or suffering from it.2. A person with syphilis. From the French…
- Infant iron supplementation Iron is included in most infant formulas. Therefore, there is no evidence that iron supplementation is…
- Hospital It may seem unnecessary to define a 'hospital' since everyone knows the nature of a hospital. A hospital…
- Ciliary body Part of the eye, the ciliary body is a thin vascular (blood vessel-filled) middle layer of the eye that is…
- Water fluoridation The addition of fluoride to water supplies that are low in fluoride in order to prevent dental caries. For…
- Heterosexuality Sexuality directed toward someone of the opposite sex