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).
Membrane, vaginal
A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is usually present at birth at the orifice of the vagina. It is also called the hymen, a Greek word meaning 'skin' or 'membrane.' The…
Read the definitionRandom terms
Show more- Vital Necessary to maintain life. Breathing is a vital function
- Baldness Medically known as alopecia. There are many types of baldness, each with a different cause. Baldness may be…
- Yellow jack 1) The flag displayed from lazarettos, naval hospitals, and vessels in quarantine. 2) Synonym for yellow…
- Centromere The cinched 'waist' of the chromosome essential for the division and the retention of the chromosome in the…
- Adjacent Lying nearby. Related terms include superjacent, subjacent, and circumjacent. From ad-, near + the Latin…
- Digit A finger or toe
- Cough suppressant A drug used to control coughing, particularly with a dry, nagging, unproductive cough
- Allergy and Infectious Diseases, National Inst. One of the U.S. National Institutes of Health (NIH), the mission of the NIAID is 'to support and conduct…
- Immunization, meningococcal A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and…
- Transmission distortion Distortion in the transmission of genes or chromosomes to the offspring, resulting in a significant…
- Obstetrical forceps An instrument with two blades and a handle designed to aid in the vaginal delivery of a baby. Forceps may be…
- NGF Nerve growth factor