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).
Meninges
The three membranes that cover the brain and spinal cord (singular: meninx). The outside meninx is called the dura mater, and is the most resilient of the three. The center layer is the arachnoid membrane and the thin innermost layer is…
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Show more- Test, ThinPrep Pap A modified Pap test technique designed to reduce some of the technical problems inherent in the traditional…
- Bone, ankle The ankle bone is termed the talus. It is the bone of the foot that joins the tibia and fibula to form the…
- Mortality rate, fetal The ratio of fetal deaths to the sum of the births (the live births + the fetal deaths) in that year. In the…
- Thyrocalcitonin A hormone, also called calcitonin, produced by the thyroid gland that lowers the levels of calcium and…
- Concordant couple Pair of long-term sexual partners in which both partners have a sexually transmitted infection. The CDC has…
- Triiodothyronine A hormone made by the thyroid gland. It has three iodine molecules attached to its molecular structure. It is…
- Syndrome, Gower (situational syncope) The temporary loss of consciousness in particular kinds of situations. (Syncope is temporary loss of…
- Research, controlled A study that compared results from a treated group and a control group. The control group may receive no…
- Randomization A method based on chance alone by which study participants are assigned to a treatment group. Randomization…
- Zygoma The part of the temporal bone of the skull that forms the prominence of the cheek. The zygoma is also known…
- Alopecia areata Alopecia areata: A patchy baldness which typically begins with patchy hair loss on the scalp and sometimes…
- Valsalva 1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that…