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).
Squamous cells
Flat cells that look like fish scales. The word 'squamous' came from the Latin squama meaning 'the scale of a fish or serpent.' We have a lot of squamous cells. They make up most of the cells in the outer layer of the skin (the epidermis)…
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Show more- Galactorrhea The spontaneous flow of milk from the nipple at any time other than during nursing. Galactorrhea can be due…
- Psychotherapy Psychotherapy: The treatment of a behavior disorder, mental illness, or any other condition by psychological…
- Causalgia Intense burning pain and sensitivity to the slightest vibration or touch, usually in the hand or foot, at a…
- Perception, auditory The ability to identify, interpret, and attach meaning to sound
- Hepar The liver or a preparation made from it. The term hepar is not often used today. It is a direct borrowing of…
- Comedo The primary sign of acne consisting of a dilated (widened) hair follicle filled with keratin squamae (skin…
- Melanoma, superficial spreading One of the four clinical types of malignant melanoma, the most common type in whites, typically presents as a…
- De Lange syndrome A relatively common birth defect syndrome with multiple malformations and mental retardation of unknown…
- Crapulence Sickness or indisposition resulting from an excess of drinking (or eating). Crapulence is an almost exact…
- Taphephobia Fear of being buried alive. A phobia is an unreasonable sort of fear that can cause avoidance and panic…
- Azoospermia No sperm at all. The ejaculate is completely devoid of sperm. By contrast, in oligospermia (literally, few…
- Infection, urinary tract (UTI) An infection in the urinary system that begins when microorganisms cling to the opening of the urethra (the…