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).
Rectal bleeding
Rectal bleeding: Blood passed rectally. Blood in the stool can be bright red or maroon in color. Larger amounts of blood that remain in the intestine long enough can turn the stool black. Blood in the stool also may be invisible to the…
Read the definitionRandom terms
Show more- Jamais vu From the French, meaning 'never seen'. The illusion that the familiar does not seem familiar. The opposite of…
- Otopharyngeal tube The tube that runs from the middle ear to the pharynx, known also as the Eustachian tube. The function of…
- Balance, acid-base Acid-base balance refers to the mechanisms the body uses to keep its fluids close to neutral pH (that is…
- Growing pains Mysterious pains in growing children, usually in the legs. These pains are similar to what the weekend…
- Bradyphrenia Slowed thought processes. Can be a side effect of certain psychiatric medications
- Mesodermal Pertaining to the mesoderm or to tissues derived from the mesoderm
- Anthophobia An abnormal and persistent fear of flowers. Sufferers experience anxiety even though they realize they face…
- Gluten enteropathy A condition, also called celiac sprue, in which the absorption of food nutrients through the small intestine…
- Polyubiquitination The binding of many ubiquitin molecules to the same target protein. Polyubiquitination of proteins is the…
- Urine hemoglobin The presence of free hemoglobin in the urine, an abnormal finding, that may make the urine look dark…
- Trimester The nine months of pregnancy is traditionally divided into three trimesters: distinct periods of roughly…
- Bergstrom See: Bergström, Sune K.