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).
Ejaculate
To ejaculate is to release semen during an orgasm in a male. The ejaculate (used as a noun) is the semen.
Read the definitionRandom terms
Show more- Fibroma, cemento-ossifying Fibroma, cemento-ossifying: A hard fibrous lesion that continues to grow, sometimes to very large size…
- Behcet's disease See: Behcet's syndrome
- Efferent nerve A nerve that carries impulses away from the central nervous system (CNS). An efferent nerve is the opposite…
- Lymphoma, MALT See: MALT lymphoma
- Perforation, nasal septum A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides…
- Prenatal diagnosis Diagnosis before birth. Methods for prenatal diagnosis include ultrasound of the uterus, placenta, and/or…
- Guttate psoriasis A type of psoriasis characterized by red, scaly patches of inflamed skin on all parts of the body. It is…
- Pachy- (prefix) Thick. As in pachydactyly (thick fingers), pachydermatous (thick fingers) and pachyonychia (thick nails)…
- Nurses Health Study A very large and important prospective investigation into the risk factors for major chronic diseases in…
- Biopsy, liver See: Liver biopsy
- Post-traumatic stress Stress: An anxiety disorder that develops in some individuals who have had major traumatic experiences. The…
- Smallpox vaccination antidote See Vaccinia immune globulin