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).
Keratoconjunctivitis
Inflammation of the eye involving both the cornea and the conjunctiva. Keratoconjunctivitis can be due to diverse causes, including infections and autoimmunity (as is the case in Sjogren syndrome).
Read the definitionRandom terms
Show more- Acute HIV infection The body's initial reaction to infection by the HIV virus. Acute HIV infection is a flu-like syndrome that…
- Three day fever See: Sandfly fever
- Teething Teething is the emergence of the primary (baby) teeth through a baby or child's gums. Teething usually begins…
- Spasm, nictitating Spasm of the eyelid with continuous winking. To nictitiate is to wink. 'Nictitate' and the older verb…
- Maternal The age of the mother at the time of delivery. Advanced maternal age is usually defined as age 35 or more at…
- Psychosis In the general sense, a mental illness that markedly interferes with a person's capacity to meet life's…
- Mag sulfate Informal shortening of magnesium sulfate
- Infantile myxedema Hypothyroidism (subnormal activity of the thyroid gland) that starts after birth and is manifest by features…
- Event, adverse See: Adverse event
- Human chorionic gonadotropin (hCG) A human hormone made by chorionic cells in the fetal part of the placenta. Human chorionic gonadotropin…
- Neurosis A chronic disorder featuring irritability of the nervous system (nervousness) and characterized by anxiety…
- Pseudodementia A severe form of depression resulting from a progressive brain disorder in which cognitive changes mimic…