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.
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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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Mean cell hemoglobin
Hemoglobin: The average amount of hemoglobin in the average red cell. The mean cell hemoglobin (MCH) is a calculated value derived from the measurement of hemoglobin and the red cell count. (The hemoglobin value is the amount of hemoglobin…
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Show more- Metatarsophalangeal joint sprain An injury to the big toe due to forced hyperextension (bending back) of the toe. The damage is to the capsule…
- Rate, neonatal mortality The number of children dying under 28 days of age divided by the number of live births that year. The…
- PVC Premature ventricular contraction. See: Extrasystole
- National Institute of Environmental Health Science EHS): A part of the National Institutes of Health (NIH) in the United States. NIEHS states that its mission…
- Photosensitivity In medicine, increased sensitivity of the skin to light and other sources of UV.Photosensitivity commonly…
- Underventilation See: Hypoventilation
- Calcinosis An abnormal deposit of calcium salts in body tissues, as is seen in some forms of disease
- CXCR4 A chemokine receptor found on a wide variety of cells that serves as the coreceptor for HIV. HIV strains that…
- Berry aneurysm A berry aneurysm is a small outpouching (an aneurysm) that looks like a berry and classically occurs at the…
- Complement system A series of molecules that work together to perform many immune system functions. For example, the complement…
- Hygiene hypothesis A hypothesis that states that exposure to allergens in the environment early in life reduces the risk of…
- Daltonism Colorblindness of the red-green type (also known as deuteranopia or deuteranomaly). The term 'Daltonism' is…