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).
Sperm function
The capability of sperm to function -- to penetrate and fertilize the egg
Read the definitionRandom terms
Show more- Technology transfer The process of converting scientific findings from research laboratories into useful products by the…
- Transgenic Having genetic material (DNA) from another species. This term can be applied to an organism that has genes…
- EOG Electro-oculography. A type of electrophysiologic retinal testing
- Type II error The statistical error (said to be 'of the second kind' or beta error) made in testing an hypothesis when it…
- Aquaporin A water channel. Aquaporins form pores in the membranes of cells and selectively conduct water molecules…
- Salivary gland One of the glands in the mouth that produce saliva. There are 3 major salivary glands. They are the parotid…
- Cecal Pertaining to the cecum (also spelled caecum), the first portion of the large bowel, situated in the lower…
- Dysarthria Speech that is characteristically slurred, slow, and difficult to produce (difficult to understand). The…
- CD8+ T cell See: Cytotoxic T-lymphocyte
- Perichondrial To do with the perichondrium, a dense membrane composed of fibrous connective tissue that closely wraps all…
- Refractory anemia Anemia (a shortage of red blood cells) unresponsive to treatment
- Potassium The major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper…