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).
Fear of heat
Thermophobia. An abnormally excessive and persistent fear of heat, including hot weather and hot objects. Sufferers from this fear experience anxiety even though they realize their fear is irrational. To avoid heat, they may live in a cold…
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Show more- Respiratory papillomatosis, recurrent Recurrent respiratory papillomatosis involves the growth of numerous warty growths in the larynx on the vocal…
- Chancroid A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of…
- Hospice care Care designed to give supportive care to people in the final phase of a terminal illness and focus on comfort…
- Fever, Philippine hemorrhagic A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Propositus A male through whom a family medically comes to light (is first ascertained). Also called the proband or…
- Reflex, pressor A pressor reflex is a neurological (nerve) reflex that constricts arterioles (small blood vessels) and…
- Hypertension, pulmonary See: Pulmonary hypertension
- Lysosomal enzyme An enzyme in an organelle (a little organ) called the lysosome within the cell. Lysosomal enzymes degrade…
- Pediatric cystitis Bladder infection in a child. See: Urinary tract infection in children
- Agenesis Lack of development of something. For example, agenesis of a toe means that toe failed to form.
- Mucopolysaccharidosis type II Hunter syndrome, due to deficiency of the enzyme iduronate sulfatase. See also: Mucopolysaccharidosis
- Upper leg The upper leg is the superior (top) segment of the leg: the part above the knee. As compared to the lower leg…