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).
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- Arthrogryposis multiplex congenita (AMC) A disorder that develops before birth (prenatal), is present at birth (congenital), and is characterized by…
- Hematuria, gross Blood in the urine that can be seen with the naked eye. Hematuria may or may not be accompanied by pain, but…
- Cavernous sinus A large channel of venous blood creating a 'sinus' cavity bordered by the sphenoid bone and the temporal bone…
- Spot, histo See: Histo spot
- Ovulatory Relating to ovulation, the release of the ovum (the egg) from the ovary
- Organic brain syndrome Psychiatric or neurological symptoms, including problems with attention, concentration, and memory…
- Pancreatic islet cell carcinoma See: Islet cell cancer
- Nervous system, central (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Animal-to-human transplant Transplant: See Xenotransplantation
- Proton magnetic resonance spectroscopic imaging See: Magnetic resonance spectroscopic imaging
- Lymphoblastic leukemia, acute (ALL) A form of leukemia that has a sudden onset and is characterized by the presence in the blood and bone marrow…
- Bone, sphenoid See; Sphenoid bone