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).
Natural family planning
Also known as fertility awareness, periodic abstinence and the rhythm method, this approach entails not having sexual intercourse on the days of a woman's menstrual cycle when she could become pregnant or using a barrier method (such as a…
Read the definitionRandom terms
Show more- AIDS Disease due to infection with the human immunodeficiency virus (HIV). AIDS is an acronym for Acquired…
- Islet cell tumor See: Islet cell cancer
- Radiosensitive Sensitive to X-rays and other forms of radiant energy. For example, a tumor may be radiosensitive, and…
- Cranial nerve, ninth The ninth cranial nerve is the glossopharyngeal nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Miticide An agent, usually a chemical, that kills mites. This class of pesticides is large and includes antibiotic…
- Hemorrhoidectomy Surgical removal of hemorrhoids (enlarged and dilated veins in and around the rectum and anus)…
- Chest film Most common X-ray used to detect abnormalities in or within the thoracic cage, such as the lungs, heart…
- Toxicogenomics The collection, interpretation, and storage of information about gene and protein activity in order to…
- Balantidium A genus of protozoa with cilia that includes Balantidium coli (B. coli). B. coli is the largest protozoan and…
- Test, CEA CEA (carcinoembryonic antigen) is a protein found in many types of cells but associated with tumors and the…
- Neuralgia, vidian A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Reproductive organs, female The internal genital structures of the female include the ovaries, the Fallopian tubes, the uterus (womb) and…