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).
Lacrimal gland
A small almond-shaped structure that produces tears. The lacrimal gland is located just above the outer corner of the eye. The lacrimal gland is part of the lacrimal apparatus, the system that forms tears, conveys them through the lacrimal…
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Show more- Chlamydia A type of bacteria one species of which causes an infection very similar to gonorrhea in the way that it is…
- Vaginitis Vaginitis: Inflammation of the vagina. The vagina is the muscular canal extending from the cervix to the…
- Cryoelectron microscopy See: Cryo-electron microscopy
- Enzyme, lysosomal An enzyme in an organelle (a little organ) called the lysosome within the cell. Lysosomal enzymes degrade…
- Deficiency, alpha-galactosidase A See: Fabry disease
- Necrotizing fasciitis A dangerous infection of soft-tissue that starts in the subcutaneous tissue (just below the skin) and spreads…
- Fear of socializing Ial phobia): Excessive fear of embarrassment in social situations that is extremely intrusive and can have…
- False negative A result that appears negative but fails to reveal a situation. An example of a false negative: a particular…
- Anencephaly A neural tube defect (NTD) that occurs when the cephalic (head) end of the neural tube fails to close…
- Lymphocyte A small white blood cell (leukocyte) that plays a large role in defending the body against disease…
- Milk, witch's See Witch's milk.
- Stapes A stirrup-shaped bone in the middle ear. The stapes transmits sound vibrations from the incus, another little…