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).
Fifth cranial nerve
The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as the chief nerve of sensation for the face and the motor nerve controlling the muscles of mastication (chewing). Problems with the…
Read the definitionRandom terms
Show more- Immunization, yellow fever A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- Deviation of the nasal septum Failure of the nasal septum to be in the center where it is supposed to be. (The nasal septum is the wall…
- Mimetic The adjective for 'mimesis' -- imitation or mimicry. A radiomimetic drug is one that imitates the effects of…
- Prostate, nodular hyperplasia See: Benign prostatic hyperplasia
- Headache, rebound Headaches experienced by those who have taken ergotamine or analgesic medications for migraines or other…
- Cryptosporidium parvum The parasite that causes the disease, cryptosporidiosis. See: Cryptosporidiosis
- Off-pump Not on the pump, usually meaning not on the heart-lung machine. See also: Off-pump surgery
- Arthralgia Pain in the joints. There are many possible causes of pain in a joint. The Greek 'algos' means 'pain.
- Brain biopsy Biopsy of the brain. Removal of a small piece of tissue from the brain for diagnostic purposes. One way the…
- Beta cell, pancreatic A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Congenital malformation A physical defect present in a baby at birth, irrespective of whether the defect is caused by a genetic…
- Dystocia, placental See: Placental dystocia