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).
Egg sac
The 'egg sac' or ovary is one of a pair of reproductive glands in women. They are located in the pelvis, one on each side of the uterus. Each ovary is about the size and shape of an almond. The ovaries have two functions: production of…
Read the definitionRandom terms
Show more- Alcohol, pregnancy The consumption of alcohol during pregnancy carries the danger of damaging the fetus.
- Vascular bed The vascular system, or a part thereof: for example, the pulmonary vascular bed describes the blood vessels…
- Disease, Bornholm Bornholm disease is a temporary illness that is a result of virus infection. The disease features fever and…
- Colorblindness, red-green A form of colorblindness in which red and green are perceived as identical. This is the most common type of…
- Mustard plaster A mild mixture of mustard seed powder, an adhesive such as flour, and water warmed and spread on a moist…
- Supertaster A supertaster has an unusually large density of taste buds, each surrounded by pain fibers
- Belly button The navel or umbilicus. The one-time site of attachment of the umbilical cord. The term 'belly button' was…
- Prominent vertebra The 7th cervical (neck) vertebra (C7) is sometimes called the prominent vertebra because of the length of its…
- Anlage 1. In biology, whatever precedes something else. 2. In embryology, a precursor or forerunner or a more mature…
- Precocious puberty Precocious puberty is the unusually early development of secondary sexual features. The onset of sexual…
- Fowl plague See: Avian influenza
- Ullrich congenital muscular dystrophy A disorder evident at birth characterized by muscle weakness, contractures of multiple joints, and…