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).
Ovum
An egg in the ovary of the female. This egg is called the female 'gamete' or sex cell. It combines with the male gamete, called a sperm, to form a zygote. This formation process is called 'fertilization.' (see sperm, zygote)
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Show more- Roseola infantilis Roseola infantilis: Roseola infantilis is another name for roseola, also formally called roseola infantum…
- Nurse, registered A nurse who has completed a two- to four-year degree program in nursing, and provides direct patient care for…
- Benign lymphoreticulosis Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of…
- Cytokine A small protein released by cells that has a specific effect on the interactions between cells, on…
- Campion, Thomas (1567-1620) English physician, poet, and composer. Campion first studied law, but had little sympathy with…
- Hippocampus An area buried deep in the forebrain that helps regulate emotion and memory. Functionally, the hippocampus is…
- Ear, foreign object in There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Urethritis Inflammation of the urethra. (The urethra is the transport tube leading from the bladder to discharge urine…
- Clay-shoveler's fracture An uncommon breakage of the spine of the vertebrae from the lower neck or upper back as a result of stress…
- Promoter In molecular biology, a site on DNA to which the enzyme RNA polymerase can bind and initiate the…
- MRC 1. In the US, the Medical Reserve Corps. 2. In the UK and some Commonwealth countries, the Medical Research…
- Tumor debulking Surgically removing as much of the tumor as possible