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).
Heterosexual
A person sexually attracted to persons of the opposite sex. Or a person who has sexual relations with the opposite sex. Colloquially known as 'straight.' The term 'heterosexual' can also be an adjective.
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Show more- Consultant An individual to whom one refers for expert advice or services. The use of consultants is common in medicine…
- Anesthetic, epidural An anesthetic injected into the epidural space surrounding the fluid-filled sac (the dura) around the spine…
- Fear of horses An abnormal and persistent fear of horses. Sufferers of this fear experience undue anxiety even when a horse…
- Anticipation A remarkable phenomenon in which a genetic disease appears earlier appearance and with increased from with…
- Chemokine One of a large group of proteins that act as lures and were first found attracting white blood cells. The…
- Cranial nerve III The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the…
- Anatomy The study of form. Gross anatomy involves structures that can be seen with the naked eye. It is as opposed to…
- Germ line 1. The sequence of cells which develop into eggs and sperm. 2. Inherited material that comes from the eggs or…
- Interventricular foramen An opening between the lateral and third ventricles in a system of four communicating cavities within the…
- Scoliosis Scoliosis: Sideways (lateral) curving of the spine (the backbone). The degree of scoliosis may range from…
- Menstrual spotting The presence of apparent menstrual blood during the wrong parts of the menstrual cycle. Some women have a…
- Sumatriptan Sumatriptan: A triptan drug for the treatment of migraine. Marketed under the brand name Imitrex.