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).
Hemoglobin
Hemoglobin: The oxygen-carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an unstable, reversible bond with oxygen. In its oxygenated state it is called oxyhemoglobin and is bright red. In the reduced state…
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Show more- Hysteroscopy A procedure to see inside the uterus (the womb) using a viewing tube that is inserted into the vagina up…
- Lordosis Inward curvature of the spine. Normally, for example, the low back demonstrates lordosis. The spine is not…
- Tocophobia An abnormal and persistent fear of childbirth. A phobia is an unreasonable fear that can cause avoidance and…
- Gonad, indifferent In embryonic life, the gonad in males and females is initially identical. This gonad is said to be…
- Menopause, natural Menopause, natural: Natural menopause occurs when the ovaries naturally decrease their production of the sex…
- Cell lineage A genealogic pedigree of cells related through mitotic division
- Early-onset familial Alzheimer disease See: Alzheimer disease, early-onset familial
- PROMM Proximal myotonic myopathy. See: Myotonic dystrophy type 2
- Monaural Relating to one ear. Hearing aids may be monaural (for one ear) or binaural (for both ears). From monos…
- Yeast infection Yeast infection: Overgrowth of yeast can affect the skin (yeast rash), mouth (thrush), digestive tract…
- Flora The population of microbes inhabiting the outside or inside surfaces of people (or other animals). Also, the…
- Malignant giant cell tumor A type of bone tumor characterized by massive destruction of bone near the end (epiphysis) of a long bone…