Ductus
Ductus
Ductus (pronunciation: /ˈdʌktəs/) is a term used in medical science to refer to a vessel or tube that allows the passage of fluids or other substances in the body. The term is derived from the Latin word 'ductus', meaning 'leading'.
Etymology
The term 'ductus' is derived from the Latin word 'ducere', which means 'to lead'. This is in reference to the function of a ductus in the body, which is to lead or guide substances from one place to another.
Types of Ductus
There are several types of ductus in the human body, including:
- Ductus arteriosus: A blood vessel in a developing fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta.
- Ductus venosus: A small vein that carries oxygenated blood from the umbilical vein to the inferior vena cava in a fetus.
- Ductus deferens: Also known as the vas deferens, it is a part of the male reproductive system that carries sperm from the epididymis to the ejaculatory ducts.
Related Terms
- Duct: A general term for any tube or vessel in the body that carries fluids or other substances.
- Artery: A blood vessel that carries blood away from the heart.
- Vein: A blood vessel that carries blood towards the heart.
- Aorta: The main and largest artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen.
External links
- Medical encyclopedia article on Ductus
- Wikipedia's article - Ductus
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