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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Tok-
From the Greek word 'tokos' meaning childbirth, we have toc-, toco-, tok-, and toko- as combining forms, all referring to labor or childbirth
Read the definitionRandom terms
Show more- Post-term infant An overly mature baby that has not been born until well after the usual term pregnancy. A post-term baby is…
- MG (myasthenia gravis) Myasthenia gravis (MG): An autoimmune neuromuscular disorder characterized by fatigue and exhaustion of…
- Myofascial pain syndrome A condition characterized by chronic pain in the muscle tissues, similar to fibromyalgia. MPS is sometimes…
- Phenotype, Klippel-Feil See: Klippel-Feil sequence
- Sickle cell anemia A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Congenital deafness Deafness: Loss of hearing present at birth. Congenital deafness contrasts to acquired deafness which occurs…
- Menangle virus A virus that causes a disease first found in a piggery near Sydney, Australia in 1997. The virus was highly…
- Gram calorie See: Calorie
- German measles vaccine A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Choriocarcinoma A highly malignant tumor that arises from trophoblastic cells within the uterus. Choriocarcinoma tends to be…
- Mammary gland One of the two half-moon-shaped glands on either side of the adult female chest, which with fatty tissue and…
- Catalysis The process by which a substance speeds up a chemical reaction without being consumed or altered in the…