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).
Staphylococcus
A group of bacteria that cause a multitude of diseases. Under a microscope, Staphylococcus bacteria are round and bunched together. They can cause illness directly by infection, or indirectly through products they make, such as the toxins…
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Show more- Friend in dying See: Doula (the second meaning)
- Homogentisate oxidase The enzyme encoded in the HGD gene. Mutation of HGD causes the genetic disease alkaptonuria. Homogentisate…
- Operation Although there are many meanings to the word 'operation', in medicine it refers to a surgical procedure. To…
- Otolaryngologist A physician specialized in diagnosing and treating diseases of the head and neck, especially those involving…
- Split-hand/split-foot malformation A genetic malformation syndrome of the limbs with syndactyly, median clefts of the hands and feet, and…
- Caudal An anatomic term meaning 1. Pertaining to the tail or the hind part. 2. Situated in or directed toward the…
- Syndrome, Barlow Barlow syndrome is mitral valve prolapse (also known as 'click murmur syndrome'), the most common heart valve…
- Encephalomyelitis Inflammation of both the brain and the spinal cord. Encephalomyelitis can be caused by a variety of…
- Lumbar strain A stretching injury to the ligaments, tendons, and/or muscles of the low back. The stretching incident…
- Single nucleotide polymorphism A change in which a single base in the DNA differs from the usual base at that position. Abbreviated SNP and…
- Peristalsis The rippling motion of muscles in the digestive tract. In the stomach, this motion mixes food with gastric…
- Contraceptive, minipill A form of oral contraceptive taken daily, like combined oral contraceptives (the 'pill'), but containing only…