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).
Orifice
An opening. The mouth for example is an orifice.
Read the definitionRandom terms
Show more- Meningococcal infection Infection with the bacterium Neisseria meningitidis. (Neisseria was formerly called Meningococcus and the…
- Cellulitus Common misspelling of cellulitis
- Menetrier's disease See: Giant hypertrophic gastritis
- Iso- Composed of cells of the same size and type. Isocellular is a Greek-Latin hybrid term compounded from the…
- Leukemia, chronic phase of Leukemia, chronic phase of: A stage in which there are few blast cells in the blood or bone marrow, and few…
- Sweating, gustatory Sweating on the forehead, face, scalp, and neck occurring soon after ingesting food. Some gustatory sweating…
- Bursitis, shoulder Inflammation of a bursa of a shoulder joint. A bursa is a fluid-filled sac that functions as a gliding…
- Longitudinal study A study done over the passage of time. For example, a longitudinal study of children with Down syndrome…
- Glottis The middle part of the larynx, the area where the vocal cords are located
- Mucosa Having to do with a mucous membrane. For example, the oral mucosa.
- Depression, bipolar See: Bipolar disorder
- Heart valves There are four heart valves. All are one-way valves. Blood entering the heart first passes through the…