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- Parotid gland The largest of the three major salivary glands, it is located in front and below the ear and behind the jaw…
- Frame, reading See: Reading frame
- Essential oil An oil derived from a natural substance, usually either for its healing properties or as a perfume. Some…
- Histidine An amino acid, one of the 20 building blocks of protein. An essential amino acid, histidine is present in…
- UGA A triplet consisting of uracil,guanine, adenine, in that order, that acts as a stop codon in messenger RNA…
- Pulmonary trunk A vessel that arises from the right ventricle of the heart, extends upward, and divides into the right and…
- Pons A specific section of the brain formed by the rounded prominence on the front surface of the brainstem. (The…
- Cancer, prostatic Cancer of the gland (prostate) that produces some of the components of semen fluid. The second leading cause…
- Specificity 1. The quality of being specific as, for example, she showed the use of specificity in her diagnosis. 2. The…
- Vinyl chloride A substance used in manufacturing plastics that is known to be toxic and carcinogenic (cancer-causing)…
- Bannayan syndrome A genetic disease characterized by macrocephaly (enlarged head), multiple lipomas (benign fatty tumors) and…
- Hecht's pneumonia Pneumonia: Also known as giant cell pneumonia, this is a deadly but fortunately rare complication of measles…