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).
Sperm motility
The percentage of all moving sperm in a semen sample. In a semen sample, 50% or more of the sperm should normally be moving rapidly
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Show more- Agranulocytosis A marked decrease in the number of granulocytes. Granulocytes are a type of white blood cell filled with…
- Fructose A sugar that occurs naturally in fruits and honey. Fructose has 4 calories per gram
- Smoking, involuntary The involuntary inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Big toe sign An important neurologic examination based upon what the big toe (and other toes) do when the sole of the foot…
- Aerospace medicine The fields of medicine concerned with the maintenance of health, safety, and performance of those in aviation…
- Syndrome, Poland A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- Selenium excess See Excess selenium
- Oogenesis The process of egg formation. The second 'o' in oogenesis is pronounced separately from the first…
- Retic count Short for reticulocyte count
- Syndrome, Martin-Bell Better known as the fragile X syndrome, the most common heritable form of mental retardation. Fragile X…
- Thyroid cartilage The largest of the cartilages of the larynx (the voice box). The thyroid cartilage is formed of two…
- Dissection, neck Surgery in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to identify, examine…